Manuale d’uso / di manutenzione del prodotto lcd projector del fabbricante NEC
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LCD Pr ojector NP3250/NP2250/NP1250 NP3250W User’ s Manual.
1st edition, April 2009 Information on USB Wireless LAN: The NP3250/NP2250/NP1250/NP3250W series projectors distr ibuted in some areas and countr ies do not come standard with the USB Wireless LAN Unit.
i Important Information Safety Cautions Precautions Pl ea se rea d th is man ual ca re ful ly bef or e us in g y ou r NE C NP 32 50 /N P22 50 /N P12 50 /N P32 50 W pr oj ec tor an d k ee p th e ma n ua l han dy f or fu tu re re f ere nc e. Y ou r seri al nu mbe r is lo ca te d o n th e b ot to m o f y our p ro jec to r .
ii Important Information RF Interference (for USA only) W ARNING The F ederal Communications Commission does not allow any modifications or changes to the unit EXCEPT those specified by NEC Display Solutions of Amer ica, Inc. in this manual. F ailure to comply with this government regulation could void your right to operate this equipment.
iii Important Information 10 ° Place the projector in a horizontal position The tilt angle of the projector should not exceed 10 degrees, nor should the projector be installed in any way other than the desktop and ceiling mount, otherwise lamp lif e could decrease dramatically .
iv Important Information Fire and Shock Pr ecautions • Ensure that there is sufficient ventilation and that vents are unobstructed to prev ent the b uild-up of heat inside your projector . Allow at least 4 inches (10cm) of space between y our projector and a wall.
v Caution on Handling the Optional Lens When shipping the projector with the optional lens, remov e the optional lens before shipping the projector . The lens and the lens shift mechanism ma y encounter damage caused by improper handling during transpor tation.
vi Important Information About High Altitude mode • Set [F AN MODE] to [HIGH AL TITUDE] when using the projector at altitudes approximately 5500 feet/1600 me - ters or higher .
vii FCC Compliance This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:(1) this de vice may not cause har mful interference and (2) this device must accept any interference received, including interf erence that may cause undesired oper ation.
viii Usage restrictions in North America The f ollowing channels can be used indoors only . • In the United States and Canada: 36, 40, 44, and 48 channels • In Me xico: 149, 153, 157, 161, and 165 channels The other channels can be used both indoors and outdoors.
ix T able of Contents Important Information ............................................................................................ i 1. Introduction ................................................................................................
x T able of Contents T ur ning off the Projector .............................................................................................. 34 After Use.......................................................................................
xi T able of Contents Disconnecting the shared f older from the projector ............................................... 76 Projecting data from media ser ver (Vie wer) ................................................................ 77 Setting up “Media Sharing” in Windows Media Pla yer 11 .
xii T able of Contents Lens Shift Adjustable Range ..................................................................................... 141 Replacing with Optional Lens .........................................................................
1 1. Intr oduction What’ s in the Box? Make sure y our bo x contains e verything listed. If any pieces are missing, contact your dealer . Please sav e the or iginal box and pac king materials if you e ver need to ship y our Projector . OFF VIDEO S-VIDEO VIEWER NETWORK COMPUTER COM PONENT ON POWER POWER LASER 3D REFORM AUTO ADJ.
2 1. Introduction Intr oduction to the Projector This section introduces you to the NP3250/NP2250/NP1250/NP3250W projector and describes ke y features and controls. Congratulations on Y our Purchase of the Pr ojector The NP3250/NP2250/NP1250 is a sophisticated XGA projector that produces an enhanced display .
3 • A variety of input ports and a comprehensive array of system contr ol interfaces This projector suppor ts input signals on the follo wing por ts: BNC , D VI-D , 15pin D-Sub , component, composite and S-video .
4 LAMP STATUS POW ER ON / STAN D BY SOURCE AUTO ADJUST 3D REFORM SELECT US B L E N S S H IF T L E F T RIGH T DOWN UP WIRELESS WIRELESS USB LAMP STATUS POWER SOURCE AUTO ADJUST 3D REFORM ON/STAND BY SELECT LENS SHIFT LEFT RIGHT DOWN UP 1.
5 1. Introduction Bottom Carrying Handle Carrying the Projector Alwa ys carr y your projector by the handle . Ensure that the power cable and any other cables connecting to video sources are disconnected before moving the projector . When moving the projector or when it is not in use , cov er the lens with the lens cap .
6 1. Introduction T o lock the carrying handle 1. Carefully place the pr ojector on its end. 2. Pull up the carrying handle with the catch pressed down. 3. Press down the left and right locks to set the carrying handle in place. • T o place back the carr ying handle, press up the left and r ight locks and pull do wn the carr ying handle.
7 1. Introduction T op Features 1. PO WER Button ( ) (ON / ST AND BY) ( → page 23 , 34 ) NOTE: T o turn on the projector , press and hold this button for a minimum of two seconds. T o turn off the projector , press this button twice. 2. PO WER Indicator ( → page 23 , 34 , 144 ) 3.
8 1. Introduction T erminal Panel Features 1 . COMPUTER 1 IN/Component Connector (Mini D-Sub 15 Pin) ( → page 14 , 16 ) A UDIO IN (Stereo Mini Jack) ( → page 14 , 15 , 17 ) 2. COMPUTER 2 IN/Component (R/Cr , G/Y , B/Cb, H, V) Connectors (BNC × 5) ( → page 14 ) A UDIO IN (Stereo Mini Jack) ( → page 14 ) 3 .
9 1. Introduction Part Names of the Remote Contr ol 4. LED Flashes when any b utton is pressed. 5. PO WER ON Button ( → page 23 ) NOTE: T o turn on the projector , press and hold the POWER ON button for a minimum of two seconds. 6. PO WER OFF Button ( → page 34 ) NOTE: T o turn off the projector , press the POWER OFF but- ton twice.
10 1. Introduction Battery Installation 1 Press the catch and re- mov e the battery cover . 2 Install new ones (AA). Ensure that you ha v e the batteries’ po- larity (+/−) aligned correctly . 3 Slip the cover back over the bat- teries until it snaps into place.
11 1. Introduction Remote Control Pr ecautions • Handle the remote control carefully . • If the remote control gets wet, wipe it dry immediately . • A v oid excessiv e heat and humidity . • Do not heat, take apart, or throw batteries into fire.
12 1 3 2 This section describes how to set up your projector and ho w to connect PCs, video and audio sources . 2. Installation and Connections Setting Up the Scr een and the Projector Selecting a Location [NP3250/NP2250/NP1250] The fur ther your projector is from the screen or wall, the larger the image.
13 2. Installation and Connections Selecting a Location [NP3250W] The fur ther your projector is from the screen or wall, the larger the image. The minimum size the image can be is appro ximately 30 inches (0.76 m) measured diagonally when the projector is roughly 44 inches (1.
14 WIRELESS USB(LAN) WIRELESS COMPUTER 1 IN COMPUTER 2 IN PHO NE 2. Installation and Connections Making Connections Connecting Y our PC or Macintosh Computer NOTE: When using with a notebook PC, be sure to connect the projector and notebook PC while the projector is in standby mode and before turning on the power to the notebook PC.
15 WIRELESS USB(LAN) WIRELESS COMPUTER 3 (D VI-D) IN PH ON E A UDIO IN 2. Installation and Connections When Viewing a D VI Digital Signal T o project a D VI digital signal, be sure to connect the PC and the projector using a D VI-D signal cable (not supplied) bef ore tur ning on your PC or projector.
16 AUDIO IN WIRELESS USB(LAN) WIRELESS A UDIO OUT PH ON E MONITOR OUT COMPUTER 1 IN (or COMPUTER 2 IN / COMPONENT IN) 2. Installation and Connections Connecting an External Monitor Y ou can connect a separate, external monitor to your projector to simultaneously view on a monitor the RGB ana- log or component image you’ re projecting.
17 A U DI O I N L R A U DI O O U T L R Co mpo nent Y Cb Cr WIRELESS USB(LAN) WIRELESS COMPONENT IN AUDIO IN 2. Installation and Connections Connecting Y our DVD Player with Component Output D VD play er Audio Equipment Audio cab le (not supplied) Component video RCA × 3 cable (not supplied) TIP: A component signal will be automatically displayed.
18 A U DI O I N L R A U DI O O U T L R VI DEO OUT S-VIDEO VIDEO WIRELESS USB(LAN) WIRELESS S-VIDEO IN VIDEO IN AUDIO IN 2. Installation and Connections Connecting Y our VCR S-Video cable (not supplied.
19 Connecting to a Network The NP3250/NP2250/NP1250/NP3250W comes standard with a LAN por t (RJ-45) which provides a LAN connec- tion using a LAN cable. The USB Wireless LAN Unit also provides a wireless LAN connection. T o use a LAN con- nection, you are required to assign an IP address to the projector .
20 Example of LAN connection (A) Example of wired LAN connection WIRELESS USB(LAN) WIRELESS LAN Server Hub LAN cable (not supplied) 2. Installation and Connections (B) Example of wireless LAN connection (Network T ype → Infrastructure) T o make connection with a wireless LAN via a wireless access point, you need to select the Infrastructure mode.
21 2. Installation and Connections T o enable direct communication (i.e., peer-to-peer) between personal computers and projectors, y ou need to select the Ad Hoc mode. F rom the menu, select [SETUP] → [INST ALLA TION(2)] → [NETWORK SETTINGS] → [WIRELESS] → [AD- V ANCED] → [CONNECTION] → [NETWORK TYPE] → [AD HOC].
22 2. Installation and Connections Connecting the Supplied Power Cable Connect the supplied power cab le to the projector. First connect the supplied po wer cable’ s three-pin plug to the A C IN of the projector , and then connect the other plug of the supplied power cab le in the wall outlet.
23 OFF VIDEO S-VIDEO VIEWER NETWORK COMPUTER COMPONENT ON SELECT POWER POWER M E N U E N T E R E X I T 3 1 2 USB LAMP STATUS POWER ON/STAND BY SOURCE AUTO ADJUST 3D REFORM 3. Pr ojecting an Image (Basic Operation) This section describes how to turn on the projector and to project a picture onto the screen.
24 OFF VIDEO S-VIDEO VIEWER NETWORK COMPUTER COMPONENT ON POWER POWER M E N U E N T E R E X I T 3 1 2 SELECT 3. Projecting an Image (Basic Operation) Note on Startup screen (Menu Language Select scr een) When you first tur n on the projector, you will get the Star tup menu.
25 3. Projecting an Image (Basic Operation) Selecting a Sour ce Selecting the computer or video source Detecting the Signal A utomatically Press and hold the SOURCE button f or a minimum of 1 second, the projector will search f or the next a vailab le input source.
26 3. Projecting an Image (Basic Operation) Use the lens shift dials, the adjustable tilt foot lev ers, the zoom lev er or the focus ring to adjust the picture size and position.
27 3. Projecting an Image (Basic Operation) Adjusting the position of a projected image • Rotate the lens shift dial. LAMP STATUS POW ER ON/STAND BY SOU R C E A U T O AD JU S T 3 D R E FOR M SELECT .
28 3. Projecting an Image (Basic Operation) Adjusting the focus (Focus ring) • Rotate the focus ring to make f ocus adjustment. F ocus ring L AM P STATUS POWER ON/STAND BY SOU RCE A UTO AD JU ST 3D .
29 Adjusting the Tilt Foot 1. Lift the front edge of the pr ojector . CAUTION: Do not tr y to touch the ventilation outlet dur ing Tilt Foot adjustment as it can become heated while the projector is tur ned on and dur ing its cool down period after it is turned off.
30 Corr ecting Keystone Distortion When the projector is not exactly per pendicular to the screen, keystone distor tion occurs. T o ov ercome it, you can use the “K eystone” function, a digital technology that can adjust for k eystone-type distor tion, resulting in a cr isp , square image.
31 NOTE: • If the projection angle is the same as in the last use, the previous correction setting values are retained in the memory . • When doing Step 2, adjust the position of image so that the screen is smaller than the area of the projected area.
32 3. Projecting an Image (Basic Operation) Optimizing an RGB Image Automatically Adjusting the Image Using Auto Adjust Optimizing an RGB image automatically . Press the A UTO ADJUST b utton to optimize an RGB image automatically . This adjustment ma y be necessar y when you connect y our computer for the first time .
33 3. Projecting an Image (Basic Operation) Using the Laser Pointer Y ou can use the laser to draw y our audience’s attention to a red dot that y ou can place on any object. CA UTION: • Do not look into the laser pointer while it is on. • Do not point the laser beam at a person.
34 OFF VIDEO S-VIDEO VIEWER NETWORK COMPUTER COMPONENT ON SELECT POWER POWER M E N U E N T E R E X I T 3 1 2 T ur ning off the Pr ojector T o turn off the projector: 3. Projecting an Image (Basic Operation) 1. Press the PO WER (ON/ST AND BY) b utton on the projector cabinet or the PO WER OFF button on the remote control.
35 FREEZE PIP LASER 3D REFORM AUTO ADJ. ASPECT HELP PICTURE PIC-MUTE LAMP MODE R-CLICK L-CLICK MOUSE VOLUME MAGNIFY PAGE UP DOWN N T E R E X I T PIC-MUTE LASER 3D REFORM AUTO ADJ. ASPECT HELP PICTURE LAMP MODE R-CLICK L-CLICK MOUSE FREEZE PIP VOLUME MAGNIFY PAGE UP DOWN N T E R E X I T 4.
36 4. Convenient Features OFF VIDEO S-VIDEO VIEWER NETWORK COMPUTER COMPONENT ON SELECT POWER POWER M E N U 3 1 2 E N T E R E X I T Getting Integrated Help Y ou get the contents about Help in English, German and Japanese . 1. Press the HELP button on the remote contr ol.
37 Operate the Menus using the USB mouse Mouse Cursor When connecting a USB mouse to the projector , you get a mouse cursor on the screen. Unless you use y our USB mouse within 10 seconds, the mouse cursor disappears . Adjusting and Setting Displa y Y ou can select a menu item and click with the left mouse b utton to make adjustments and settings.
38 4. Convenient Features Using the Optional Remote Mouse Receiver (NP01MR) The optional remote mouse receiver enables you to operate your computer’ s mouse functions from the remote con- trol. It is a great conv enience for your computer-gener ated presentations.
39 4. Convenient Features Operating your computer’ s mouse from the remote contr ol Y ou can operate your computer’ s mouse from the remote control. P AGE UP/DOWN Button ...................scrolls the viewing area of the window or to move to the previous or next slide in Power- Point on your computer .
40 Co rr ect ing Hor iz ont al and V erti ca l Keys to ne Dis tor ti on [COR- NERSTONE] Use the 3D Ref or m f eature to correct k eystone (trapezoidal) distor tion to mak e the top or bottom and the left or right side of the screen longer or shor ter so that the projected image is rectangular.
41 8. Press the ENTER button. 4. Convenient Features 10 . Press the SELECT or button to highlight the [OK] and press the ENTER button. This completes the Cornerstone correction. Selecting [CANCEL] will return to the adjustment screen without saving changes (Step 3).
42 4. Convenient Features * The f ollowing are conditions under which the maximum angle is achie ved: • When the standard lens is used • When the lens shift is set to the center When the lens shift is used and yet the image is not displa yed in the center of the screen, the adjustable range will be increased or decreased.
43 4. Convenient Features 9 Displaying T wo Pictures at the Same Time The projector has a feature that allows you to view two different signals simultaneously . Y ou have two modes: PIP mode and Side by Side mode . From the men u you can select [SETUP] → [B ASIC] → [PIP/SIDE BY SIDE].
44 4. Convenient Features Viewing T wo Pictures 1. Press the PIP button on the remote contr ol. The PIP/SIDE BY SIDE SOURCE screen will be displa yed. 2.
45 4. Convenient Features Pr eventing Unauthorized Use of the Projector Assigning a ke yword pre vents the projector from being used by unauthorized individuals . T urning on the Security function by assigning a keyword for the first time 1. Press the MENU button.
46 4. Convenient Features 4. Press the SELECT button three times to highlight [SECURITY SETTINGS]. 5. Press the ENTER button to displa y the SECURITY SETTINGS menu. 6. Press the SELECT button f our times to highlight [SECURITY-SETTINGS] and press the ENTER button.
47 4. Convenient Features 8. Enter an alphanumeric ke ywor d using the Software keyboar d. For example, to enter “1234”, follo w the steps 8-1 to 8-4 below . NOTE: • When using your USB mouse, click each number or alphabet. BS: Delete the character before the cursor or highlight.
48 4. Convenient Features 10 . Press the SELECT button to highlight [OK] and press the ENTER button. The confirmation screen will be displa yed. 11 . Press the SELECT or button to highlight [YES] and press the ENTER button. The Security Function will take effect when the pr ojector is turned on next time.
49 Disabling the Security 1. Press the MENU button. The menu will be displa yed. NOTE: Immediately after the projector has been turned on and the “PROJECTOR IS LOCKED! ENTER YOUR K EYWORD.” mes - sage is displayed at the bottom of the screen, pressing the MENU button will display the Keyword entr y will be displayed.
50 4. Convenient Features Limiting Access Level to A vailable Menu Items The Account function allows y ou to manage av ailable menu items by user le vel. The projector has two menu modes: the AD V ANCED menu and the BASIC menu. ADV ANCED menu .. This is the menu that contains all the available menus and commands.
51 4. Convenient Features Creating or Adding a User 1. From the men u, select [SETUP] → [INST ALLA TION(2)] → [SECURITY SETTINGS]. 2. Select [A CCOUNT]-[SETTINGS]. The [A CCOUNT] setting screen will be displa yed. 3. Select [CREA TE]. The [CREA TE] screen will be display ed.
52 4. Convenient Features Editing a User (Changing Account Settings) 1. From the men u, select [SETUP] → [INST ALLA TION(2)] → [SECURITY SETTINGS]. NOTE: A user with an ADMINISTRA TOR account is recommended to change the account settings. 2. Select [A CCOUNT]-[SETTINGS].
53 L Operation Using an HTTP Br owser Overview The use of HTTP ser ver functions will allow control of the projector from a web browser without the installation of speci al sof twa re. Please b e sure to us e “Mic rosoft Internet Explor er 6.x ” or a high er v ersion f or the w eb br ows er .
54 Structure of the HTTP Server PO WER: This controls the po wer of the projector . ON ..................................... P ow er is switched on. OFF ................................... P ower is switched off . LOGOFF: This allows y ou to log off and retur n to the log-on screen.
55 SOURCE SELECT: This switches the input connector of the projector . COMPUTER1 .................... Switches to the COMPUTER 1 IN connector . COMPUTER2 .................... Switches to the COMPUTER 2 IN connector . COMPUTER3 .................... Switches to the COMPUTER 3 (D VI-D) IN connector .
56 M Pr ojecting Y our Computer’ s Screen Image fr om the Pr ojector via a Network [NETWORK PROJECTOR] A Windows Vista-based computer can be operated using the projector over a network. The projector suppor ts the Network Projector function of Windows Vista.
57 4. Convenient Features 2. Press the SELECT or button to select [NETW ORK] and press the ENTER button. In the screen, the [NETW ORK] menu is displa yed. 3. From the [NETW ORK] menu, select [NETW ORK PROJECT OR]. The [PR OJECT OR NAME/DISPLA Y RESOLUTION/P ASSWORD/URL] will be displa yed.
58 4. Convenient Features 4. Operate [Resolution] slide bar to change the resolution to the resolution display ed on [DISPLA Y RESO- LUTION] in the NETWORK PR OJECT OR screen. 5. Click [OK]. The message “Do you k eep this screen setting?” is displa yed.
59 4. Convenient Features 7. Check the pass wor d displayed in the screen projected b y the projector . 8. Input the passw ord to the pass wor d input box display ed by the operation at step 3 on page 57 . 9. Click [Connect]. The network projector function works and the screen of Windows Vista is projected from the projector .
60 4. Convenient Features N Using the Pr ojector to Operate Y our Computer via a Network [REMOTE DESKTOP] • By selecting the PC connected to the same network as that of the projector , the PC screen image can be pro- jected to the screen via network.
61 4. Convenient Features Setting the passw ord to the user account of Windows Vista TIP: If a password has been set for an account, the steps 1 to 9 can be skipped. 1. Click [Start] from the desktop of Windows Vista. 2. Click [Contr ol Panel]. 3. Click [Ad d or remove user accounts] displa yed under [User Accounts].
62 4. Convenient Features 4. Click [Vie w status] display ed in blue on the right of [Local Area Connection] in the window . The [Local Area Connection Status] window appears . 5. Click [Details...]. Write down the v alue f or “IPv4 IP Address” (xxx.
63 4. Convenient Features 2. Press the SELECT or button to select [NETW ORK] and press the ENTER button. The [NETW ORK] menu will be displa yed. 3. From the [NETW ORK] menu, use the wireless ke yboard to select [REMO TE DESKT OP CONNECTION]. The [REMO TE DESKTOP CONNECTION] windo w appears.
64 4. Convenient Features Exiting the Remote Desktop 1. Operate the wireless keyboar d to clic k [Star t] from the desktop screen projected b y the projector . 2. Click [X] on the right of the start menu. The remote desktop function is stopped. 3. Press the SOURCE button of the pr ojector to select an input terminal other than [NETWORK].
65 5. Using the V iewer Making the Most out of the V iewer Function Features The View er feature allows you to view slides or movie files stored on a USB memor y on the projector, or a shared f older in a computer connected to the network. The VIEWER has the following f eatures.
66 5. Using the Viewer Supported movie files Compress/e xpand method File name e xtension MPEG2 MP@ML .mpg Windows Media Video 9 .wmv NOTE: • A movie file with display size greater than 720 × 576 pixels (width × height) cannot be played back.
67 5. Using the Viewer Operating the V iewer Function from the Pr ojector (playback) This section describes the operation for sho wing slides created or movie files . Projecting slides (V iewer) Preparation: Store JPEG or BMP files (JPEG, BMP , non-inter laced GIF or non-interlaced PNG files) in a USB mem- or y inser ted into your PC .
68 5. Using the Viewer Projecting a movie file Preparation: Store MPG files in a USB memor y inser ted into your PC. T o display a movie file: 1. Press the SOURCE button to select [VIEWER]. Vie wer screen will be displa yed. (A slide will be displa yed at the f actor y default.
69 5. Using the Viewer NOTE: • The icon [ ] shows that the file cannot be displayed in the thumbnail screen. • The “MPG” or “WMV” icon shows that the movie file cannot be displayed in the thumbnail screen. Highlight .....................
70 5. Using the Viewer Setting Option for Viewer PLA Y MODE: MANUAL ................ Views a slide manually when the Viewer sour ce is selected. AUTO .
71 THUMBNAILS menu The THUMBNAILS menu will appear when you press the MENU button on the remote control or the projector cabinet. T o close the THUMBNAILS menu, press the EXIT button. The THUMBNAILS menu includes the follo wing commands: PLA Y .......
72 5. Using the Viewer Changing Backgr ound Logo Y ou can change the default bac kground logo using the View er feature . NOTE: File size must be 256KB or less. Maximum file resolution is 1024 × 768 for NP3250/NP2250/NP1250 and 1280 × 800 for NP3250W .
73 5. Using the Viewer Pr ojecting data from shar ed folder (Viewer) Preparation F or projector : Connect the projector to the networ k. F or computer : Place files to be projected in a shared f older and note the folder’ s path. Memor ize or wr ite down the path f or later use.
74 5. Using the Viewer 2. Select “NETWORK” on the left side of the thumbnail screen and press the MENU button. The thumbnail menu will be displa yed. Una vailab le items are shown in g ra y . • T o close the thumbnail screen, press the EXIT button.
75 5. Using the Viewer Reflecting changes of the shared folder on the thumbnail scr een. If changes to the shared f older are made after the projector is connected, use this feature to display the updated inf or mation on the thumbnail screen. 1. Press the MENU button while the thumbnail screen is displa yed.
76 5. Using the Viewer Disconnecting the shared folder fr om the projector 1. Select a shared folder under “NETWORK” and press the MENU button. The thumbnail menu will be displa yed. Una vailab le items are shown in g ra y . • T o close the thumbnail screen, press the EXIT button.
77 5. Using the Viewer Pr ojecting data from media server (V iewer) Preparation F or projector : Connect the projector to the networ k. F or computer: Prepare image files or movie files to be projected, and set up “Media Sharing” in Windows Media Pla yer 11.
78 5. Using the Viewer 3. Select “Share my media” check bo x, and then select OK. A list of accessib le devices will be displa yed. 4. Select “NP3250 Series” and then “Allow”. A chec k mark will be added to the “NP3250 Series” icon. • The “NP3250 Series” is a projector name specified in [NETW ORK SETTINGS].
79 5. Using the Viewer Connecting the projector to the media server Press the VIEWER button on the remote control. The VIEWER will star t. • Another wa y to star t the VIEWER is to press the SOURCE button a fe w times on the projector cabinet.
80 Using the Menus 1. Press the MENU button on the remote contr ol or the projector cabinet to display the menu. NOTE: The commands such as , ENTER, EXIT in the bottom show available buttons for your operation. 2. Press the SELECT buttons on the remote contr ol or the projector cabinet to display the submenu.
81 6. Using On-Screen Menu Using ADV ANCED menu and BASIC menu The projector has two menu modes: the AD V ANCED menu and the BASIC menu. ADV ANCED menu .. This is the menu that contains all the available menus and commands. Users with an ADMINISTRAOR or ADV ANCED account can access the ADV ANCED menu.
82 Menu tr ee 6. Using On-Screen Menu Basic menu items are indicated by shaded area. F actor y default settings are indi- cated by the gr ay shaded area.
83 6. Using On-Screen Menu Menu Item SETUP INST ALLA TION(1) ORIENT ATION DESKTOP FRONT , CEILING REAR, DESKTOP REAR, CEILING FRONT SCREEN SCREEN TYPE: 4:3 SCREEN, WIDE SCREEN*¹ / POSITION*² GEOMETRIC CORRECTION OFF , 1, 2, 3 MUL TI-SCREEN COMP .
84 Menu Elements Slide bar Solid triangle Highlight T ab Radio button Check bo x Cancel button OK button Menu windows or dialog bo xes typically have the f ollowing elements: Highlight ................ Indicates the selected menu or item. Solid triangle .
85 6. Using On-Screen Menu Menu Descriptions & Functions [SOURCE] COMPUTER 1 and 2 Selects the computer connected to your COMPUTER 1 or COMPUTER 2 input connector signal. NOTE: • When the component input signal is connected to the COMPUTER 1, COMPUTER 2 or COMPUTER 3, select [COMPUTER 1], [COMPUTER 2] or [COMPUTER 3] respectively .
86 6. Using On-Screen Menu [ENTR Y LIST] Using the Entry List When any source a djustments are made, th e adjustments are automatically regist ered in the Entry List. The (adjust - ment values of) registered signals can be loaded from the Entry List whenev er necessar y .
87 SOURCE NAME: Enter a signal name. Up to 18 alphanumeric characters can be used. INPUT TERMINAL: Change the input terminal. LOCK: Set so that the selected signal cannot be deleted when [ALL DELETE] is executed. After executing [LOCK], the changes cannot be saved.
88 6. Using On-Screen Menu Menu Descriptions & Functions [ADJUST] [PICTURE] [MODE] This function allows y ou to determine how to sav e settings f or [DET AIL SETTINGS] of [PRESET] f or each input. ST ANDARD ............ Saves settings for each item of [PRESET] (Preset 1 through 7) PROFESSIONAL .
89 6. Using On-Screen Menu [DET AIL SETTINGS] This will provide y ou with two pages of menus that pro vide more detailed settings. [GENERAL] Selecting Ref erence Setting [REFERENCE] This f eature allows you to use color correction or gamma values as reference data to optimize for various types of images.
90 6. Using On-Screen Menu [CONTRAST] Adjusts the intensity of the image according to the incoming signal. [BRIGHTNESS] Adjusts the brightness lev el or the back r aster intensity . [SHARPNESS] Controls the detail of the image f or Video (not valid f or RGB and digital signals).
91 6. Using On-Screen Menu [IMAGE OPTIONS] Adjusting Clock and Phase [CLOCK/PHASE] This allows y ou to manually adjust CLOCK and PHASE. CLOCK ................... Use this item to fine tune the computer image or to remove any vertical banding that might appear .
92 6. Using On-Screen Menu Adjusting Horizontal/V er tical P osition [HORIZONT AL POSITION/VERTICAL POSITION] Adjusts the image location horizontally and vertically . Selecting Overscan P ercentage [O VERSCAN] Select ov erscan percentage (0%, 5% and 10%) f or signal.
93 6. Using On-Screen Menu Selecting Aspect Ratio [ASPECT RA TIO] Screen T ype 4:3 SCREEN (VIDEO) Screen T ype WIDE SCREEN (VIDEO) RGB Aspect Ratio allows y ou to select the best Aspect mode to displa y your source image . When screen type 4:3 SCREEN is selected f or the source, the f ollowing selections will displa y: For VIDEO 4:3 .
94 6. Using On-Screen Menu [NP3250/NP2250/NP1250] VIDEO 4:3 FILL ZOOM SQUEEZE LETTERBOX LETTERBOX LETTERBOX 4:3 WINDOW 4:3 4:3 WIDE SCREEN WIDE SCREEN INPUTSIGNAL ASPECT RA TIO 4:3 SCREEN ASPECT RA TI.
95 6. Using On-Screen Menu RGB INPUTSIGNAL ASPECT RA TIO ASPECT RA TIO WIDE SCREEN 4:3 SCREEN 4:3 4:3 4:3 16:9 16:9 5:4 5:4 16:9 15:9 15:9 15:9 5:4 16:10 16:10 16:10 T ypical resolutions and aspect ratios for computer screens .
96 6. Using On-Screen Menu [VIDEO] Using Noise Reduction [NOISE REDUCTION] This function is used to reduce video noise. RANDOM NR ......... Reduces flickering random noise in an image. MOSQUITO NR ...... Reduces mosquito noise that appears around the edges of an image during DVD playback.
97 6. Using On-Screen Menu [AUDIO] Controlling Sound [V OLUME/B ASS/TREBLE/BALANCE] Adjusts the volume , bass and treble lev el, left and right balance of the projector speaker and A UDIO OUT (Stereo Mini Jac k).
98 6. Using On-Screen Menu Menu Descriptions & Functions [SETUP] [BASIC] Selecting Ke ystone Mode [KEYST ONE] This f eature allows y ou to correct ke ystone distor tion. Selecting this item will displa y the K eystone setting men u. Y ou can correct vertical distor tion manually from the menu.
99 6. Using On-Screen Menu Selecting Cornerstone Mode [CORNERST ONE] This option allows y ou to correct trapezoidal distortion. Selecting this item will displa y the Cor nerstone adjustment screen. ( → page 40 ) NOTE: The [CORNERSTONE] item is not available when [KEYSTONE] or [GEOMETRIC CORRECTION] is selected.
100 6. Using On-Screen Menu Using the Wall Color Correction [W ALL COLOR] This function allows f or quick adaptive color correction in applications where the screen material is not white. Setting Lamp Mode to Normal or Eco [LAMP MODE] This feature enables you to select two br ightness modes of the lamp: Normal and Eco modes.
101 6. Using On-Screen Menu Using Off Timer [OFF TIMER] 1. Select y our desired time between 30 minutes and 16 hours: OFF , 0:30, 1:00, 2:00, 4:00, 8:00, 12:00, 16:00. 2. Press the ENTER button on the remote contr ol. 3. The remaining time starts counting down.
102 6. Using On-Screen Menu Setting a new pr ogram timer 1. On the PROGRAM TIMER screen, use the SELECT or button to select [SETTINGS] and press the EN- TER button. The [PROGRAM LIST] screen will be displa yed. NOTE: When the Program Timer is turned on, the [PROGRAM LIST] cannot be edited.
103 6. Using On-Screen Menu 4. Select [OK] and press the ENTER button. This will complete the settings. Y ou will be returned to the [PROGRAM LIST] screen. NOTE: • Up to 30 different timer settings can be programmed. • The Program Timer is executed on a set time basis, not in a program basis.
104 6. Using On-Screen Menu Deleting the programs 1. On the [PROGRAM LIST] screen, select a program number you want to delete and press the SELECT button. 2. Press the SELECT button to select [DELETE]. 3. Press the ENTER button. The confirmation screen will be displayed.
105 6. Using On-Screen Menu Logging Off Y our Projector [LOGOFF] This f eature allows y ou to log off your projector without turning it off. Logging off your projector will pre vent an unauthorized user from operating y our projector . T o log off your projector , follow the steps belo w .
106 6. Using On-Screen Menu [MENU] Selecting Menu Color [COLOR SELECT] Y ou can choose between two options f or menu color : color and monochrome. T urning On / Off Sour ce Displa y , Message and Time [SOURCE DISPLA Y], [MESSA GE DISPLA Y], [TIME DISPLA Y], [ID DISPLA Y] SOURCE DISPLA Y .
107 6. Using On-Screen Menu [INST ALLA TION(1)] Selecting Projector Orientation [ORIENT A TION] This reorients your image for your type of projection. The options are: desktop front projection, ceiling rear projec- tion, desktop rear projection, and ceiling front projection.
108 6. Using On-Screen Menu no-signal area Selecting Aspect Ratio and P osition for Screen [SCREEN] SCREEN TYPE ....... Select one of two options: 4:3 SCREEN or WIDE SCREEN for the screen to be used. See also [ASPECT RA TIO]. ( → page 93 ) POSITION .
109 6. Using On-Screen Menu Using Multi-Screen Compensation [MUL TI-SCREEN COMP .] This f eature allows y ou to match images projected from multiple projectors that are placed in parallel. MODE .................... OFF: T urns off this function to return to the normal brightness.
110 6. Using On-Screen Menu [INST ALLA TION(2)] [NETWORK SETTINGS] This f eature allows y ou to set various setting items when the projector is used on your netw ork.
111 6. Using On-Screen Menu T o receive error messages or inf or mation on the remaining lamp life via e-mail: 1. On the [MAIL] tab, select [ALERT MAIL] and press the ENTER b utton. A chec k mark will be placed. 2. Set [SENDER’S ADDRESS], [SMTP SER VER NAME] and [RECIPIENT’S ADDRESS].
112 [PROJECT OR NAME] Specify a unique projector name. Press to display the software k eyboard and type in. Up to 16 alphanumeric characters, signs and symbols can be used. After enter ing a name, select [OK] and press the ENTER button. NOTE: The [PROJECTOR NAME] will not be affected even when [RESET] is done from the menu.
113 6. Using On-Screen Menu [WIRED] PROFILES (f or LAN por t [RJ-45]): Up to two settings f or the LAN por t (RJ-45) can be stored in memor y of the projector . Select [PROFILE 1] or [PR OFILE 2] and then do settings f or [DHCP] and the other options.
114 6. Using On-Screen Menu [WIRELESS] PROFILES (f or USB Wireless LAN unit): T o ex ecute a wireless LAN easily using Image Express Utility 2.0, select [EASY CONNECTION]. Up to two settings f or the USB wireless LAN unit can be stored in memory of the projector.
115 6. Using On-Screen Menu [AD V ANCED] menu [CONNECTION] (required for wireless onl y) SITE SUR VEY : Displa ys a list of av ailable SSIDs f or wireless LAN on site. Select an SSID which you can access. T o select an SSID , highlight [SSID] and use the SELECT to select [OK] and press the ENTER button.
116 6. Using On-Screen Menu [SECURITY] (required for wireless onl y) SECURITY TYPE Select encr yption mode f or secure transmission. When [WEP] or [DISABLE] is selected in [SECURITY TYPE]: Select this option whether using the WEP (Wired Equivalent Pr ivacy) key for encr yption or not.
117 6. Using On-Screen Menu Using Software Ke yboard to enter an encryption key 1. Select one of [KEY 1], [KEY 2], [KEY 3] and [KEY 4] and press the ENTER button. The software keyboar d will be display ed. 2. Use the SELECT button to select one ke y and press the ENTER button.
118 6. Using On-Screen Menu [MAIL] ALER T MAIL: Checking this bo x enables Aler t Mail feature . This option notifies your computer of an error message via e-mail when using wireless or wired LAN. The error message will be notified when the projector lamp has reached the end of its usable life or an error occurs in the projector .
119 6. Using On-Screen Menu Selecting Communication Speed [COMMUNICA TION SPEED] This feature sets the baud rate of the PC Control por t (D-Sub 9 Pin).
120 [ENTR Y] T o assign your passw ord: NOTE: Up to 10 alphanumeric characters can be assigned. 1. T ype a passw ord. Select the [ENTER P ASSWORD] entry bo x and press the ENTER button. ( → page 81 ) An asterisk will be displa yed. The Software ke yboard appears.
121 [SECURITY] The Security function enables you to protect your projector so that the projector will not project a signal unless you enter a keyw ord. There is also an option to lock the projector by using a registered USB memor y* as a protect key .
122 T o register a USB memor y device as a pr otect key . Preparation: Inser t the USB memor y device into the USB port (type A) of the projector. 1. Use the SELECT or button to select [USE PR OTECT KEY] and press the ENTER b utton. 2. Use the SELECT or button to select [READ] and press the ENTER b utton.
123 • The secur ity disable mode is maintained until the main power is tur ned off (by setting the main power switch to “O” or unplugging the power cord).
124 Setting a P assw ord f or HTTP Ser ver [HTTP SER VER] This option allows you to assign a password when you use your HTTP ser ver . A passw ord must be between 1 and 10 alphanumeric characters. T o set and delete a password, repeat steps described in [BA CKGROUND LOCK].
125 Setting ID to the Projector [CONTR OL ID] NOTE: This function is available only when the optional remote control (NP02RC) is used. This function will not work with the re- mote control included with the NP3250/NP2250/NP1250/NP3250W projector . Y ou can operate multiple projectors separately and independently with the same single remote control.
126 6. Using On-Screen Menu [OPTIONS] Setting A uto Adjust [A UT O ADJUST] This feature sets the Auto Adjust mode so that the RGB image can be automatically or manually adjusted for noise and stability . Y ou can automatically make adjustment in tw o wa ys: [NORMAL] and [FINE].
127 6. Using On-Screen Menu Enabling P ower Management [A UT O PO WER OFF] When this option is selected you can enable the projector to automatically turn off (at the selected time: 5min., 10min., 20min., 30min.) if there is no signal received b y any input.
128 6. Using On-Screen Menu Setting MONIT OR OUT Connector [OUT TERMINAL] This option allows you to deter mine which RGB or component source is output from the MONITOR OUT connector during Standby mode. LAST ...................... The signal from the last COMPUTER 1, COMPUTER 2 or COMPONENT input will be output to the MONI- TOR OUT connector .
129 6. Using On-Screen Menu Menu Descriptions & Functions [INFO.] Displa ys the lamp usage hours, the status of the current signal and settings, NETW ORK settings and version.
130 6. Using On-Screen Menu [SOURCE (1)] INPUT TERMINAL SIGNAL TYPE VIDEO TYPE SOURCE NAME ENTR Y NO. [SOURCE (2)] HORIZONT AL FREQUENCY VERTICAL FREQ UENCY SYNC TYPE SYNC POLARITY SCAN TYPE.
131 6. Using On-Screen Menu [WIRED LAN] This page shows inf or mation on settings for the LAN por t (RJ-45) IP ADDRESS .......... Indicates the IP address of the projector when the LAN port (RJ-45) is used. SUBNET MASK ...... Indicates the subnet mask of the projector when the LAN port (RJ-45) is used.
132 6. Using On-Screen Menu [WIRELESS LAN (2)] This page shows inf or mation on settings for WEP key f or encr yption. SSID ...................... Indicates the identifier (SSID) for your wireless LAN. NETWORK TYPE .... Indicates that [EASY CONNECTION], [INFRASTRUCTURE] or [AD HOC] is selected for your communica- tion method.
133 6. Using On-Screen Menu Menu Descriptions & Functions [RESET] Returning to Factor y Default The Reset feature allows you to change adjustments and settings to the factory preset for sources by the follo wing methods: [CURRENT SIGNAL] Resets the adjustments f or the current signal to the factory preset lev els.
134 7. Maintenance This section describes the simple maintenance procedures you should f ollow to clean the filters and replace the lamp . Cleaning or Replacing the Filter The air-filter sponge keeps dust and dir t from getting inside the projector and should be frequently cleaned.
135 7. Maintenance 2. Gently peel off the filter (sponge) and replace it with the new one. 3. Reinstall the filter cover . • Slip the filter cov er back until it snaps into place . 4. Connect the supplied power cab le, turn on the Main P ower switc h and turn on the projector .
136 Replacing the Lamp When the lamp reaches the end of its life , the LAMP indicator in the cabinet will blink red. Even though the lamp ma y still be working, replace the lamp to maintain the optimal projector performance. After replacing the lamp , be sure to clear the lamp hour meter .
137 7. Maintenance 2. Loosen the two scre ws securing the lamp housing until the phillips screwdriver goes into a freewheeling condition. The two scre ws are not remov able. Remo ve the lamp housing by holding it. NOTE: There is an interlock on this case to prevent the risk of electrical shock.
138 7. Maintenance 5. Connect the supplied power cab le, turn on the Main P ower switc h and turn on the projector . 6. Finally , select the menu → [RESET] → [CLEAR LAMP HOURS] to reset the lamp life remaining and lamp usage hours.
139 8. Using Optional Lenses Five optional lenses are availab le for the NP3250/NP2250/NP1250/NP3250W . See the information described on this page to buy the appropriate lens f or your screen siz e and throw distance . See page 142 for installing the lens .
140 [NP3250W] Screen Size ST AND ARD 1.5 − 2.0 (m) (inches) NP02ZL 1.2 − 1.5 (m) (inches) NP03ZL 1.9 − 3.1 (m) (inches) NP04ZL 3.0 − 4.8 (m) (inches) NP05ZL 4.
141 8. Using Optional Lenses Lens Shift Adjustable Range The top right diagram shows the location of the image position in the lens. The lens can be shifted within the shad- ed area as shown using the normal projection position as a star ting point.
142 8. Using Optional Lenses P C CA RD LA M P STATU S P OW ER S O U R C E A U T O A D J U S T 3 D R E F O R M O N /S T A N D B Y S ELECT P C CA RD LA M P STATU S P OW ER S O U R C E A U T O A D J U S T 3 D R E F O R M O N /S T A N D B Y LEFT RIGHT DOWN U P 2.
143 8. Using Optional Lenses Using the anti-theft screw to pre vent theft of the lens Tighten the supplied anti-theft screw on the front bottom. Hole of anti-theft screw f or lens unit Install the new lens 1. Insert the lens with the yellow pr otrusion on top.
144 9. Appendix T roubleshooting This section helps you resolv e problems you ma y encounter while setting up or using the projector. Indicator Messages Power Indicator Lamp Indicator Indicator Condition Projector Condition Note Off Blinking light Steady light Normal Lamp has reached its end of life.
145 9. Appendix Common Problems & Solutions ( → “Po wer/Status/Lamp Indicator” on page 144 ) Problem Check These Items Does not turn on • Check that the power cable is plugged in and that the power button on the projector cabinet or the remote control is on.
146 9. Appendix If there is no picture, or the picture is not display ed correctly . • P ower on process f or the projector and the PC . Be sure to connect the projector and notebook PC while the projector is in standby mode and bef ore tur ning on the power to the notebook PC .
147 9. Appendix Specifications This section provides technical inf or mation about the projector’ s performance. Model Number NP3250/NP2250/NP1250/NP3250W Optical LCD P anel NP3250/NP2250/NP1250: 0.8" p-Si TFT active-matrix with Micro Lens Arra y (Aspect ratio 4:3) NP3250W: 0.
148 9. Appendix External Control RS232, IR, LAN, USB Sync Compatibility Separate Sync / Composite Sync / Sync on G Built-in Speakers 5W × 2 P ower Requirement 100–240V AC , 50/60Hz Input Current NP3250/NP3250W : 5.
149 9. Appendix 1 to 11 channels T ransmission method DS-SS method (direct dispersion spectrum dispersion method) Data Rates 11/5.5/2/1 (Mbps) IEEE802.
150 9. Appendix Operation of the USB Wireless LAN Unit is subjected to the regulations of the countr ies listed below , and ma y be prohibited to use outside the country where you purchased. If you need to use the projector outside the country where you purchased, y ou must remo ve the USB Wireless LAN Unit from the projector bofore e xpor ting.
151 9. Appendix Cabinet Dimensions WIRELESS USB(LAN) WIRELESS 150.5/5.9" 358/14.1" 4.7/0.19" 168.3/6.63" 399/15.7" 3D REFORM SELECT MENU EXIT ENTER AUTO ADJUST SOURCE ON/S.
152 Scr een Size and Projection Distance This section should be used when considering the distance to the screen and the screen size. [NP3250/NP2250/NP1250] A v ailable projection distances are 1.0 m/41.2 inches for 30" screen to 18 m/718 inches f or 500" screen, according to the char t.
153 [NP3250W] This section should be used when considering the distance to the screen and the screen size. A v ailable projection distances are 1.1 m/43.5 inches for 30" screen to 19 m/756 inches f or 500" screen, according to the char t. Using the Chart Example f or 100" screen: The projection distance is appro ximately 3.
154 List of Screen Sizes [NP3250/NP2250/NP1250] NOTE: The values in the tables are design values and may vary . Screen Size and Projection Distance f or Desktop when the standard lens is used The f ollowing dra wing shows an e xample for use of Desktop .
155 List of Screen Sizes [NP3250W] NOTE: The values in the tables are design values and may vary . Screen Size and Projection Distance f or Desktop when the standard lens is used The f ollowing dra wing shows an e xample for use of Desktop .
156 Mini D-Sub 15 Pin Connector Pin Assignments of D-Sub COMPUTER 1 Input Connector Signal Le vel Video signal : 0.7Vp-p (Analog) Sync signal : TTL lev el 1 1 1 5 1 2 1 4 1 3 6 5 4 3 2 1 10 7 9 8 9.
157 9. Appendix Compatible Input Signal List Signal Resolution (Dots) F requency H. (kHz) Refresh Rate (Hz) VIDEO NTSC/P AL60 — * 15.73 59.94/60.00 P AL/SECAM — * 15.63 50.00 IBM compatible 640 × 480 31.47 59.94 640 × 480 37.86 72.81 640 × 480 37.
158 9. Appendix PC Contr ol Codes and Cable Connection PC Control Codes Function Code Data POWER ON 02H 00H 00H 00H 00H 02H POWER OFF 02H 01H 00H 00H 00H 03H INPUT SELECT COMPUTER 1 02H 03H 00H 00.
159 9. Appendix NOTE 1: Pins 1, 4, 6 and 9 are no used. NOTE 2: Jumper “Request to Send” and “Clear to Send” together on both ends of the cable to simplify cable connection. NOTE 3: For long cable runs it is recommended to set communication speed within projector menus to 9600 bps.
160 9. Appendix Removing and Attaching the USB Wir eless LAN Unit Important • The USB Wireless LAN Unit consists of two modules: a Wireless LAN module (USB) and a joint module. • Do not inser t other USB devices into the USB Wireless LAN unit por t.
161 9. Appendix 3. Slowl y remove the dumm y case or the current attached USB Wireless LAN Unit. LAMP STATUS POWER ON/STAND BY SOURCE AUTO ADJUST 3D REFORM SELECT USB WIRELESS WIRELESS WIRELESS WIRELESS Attaching the USB Wireless LAN Unit A Phillips-head screw driv er is needed.
162 9. Appendix 4. Tighten the two scre ws. LAM P STATUS POW ER ON/STAND BY SOURCE AUTO ADJUST 3D REFORM SELECT USB L E N S S H IF T L E F T R IG H T DOWN UP WIRELESS WIRELESS.
163 No image is displayed from your PC or video equipment to the projector . Still no image even though you connect the projector to the PC first, then start the PC. Enabling your notebook PC’ s signal output to the projector . • A combination of function keys will enable/disable the external display.
164 In the space below please describe your problem in detail. Information on application and environment where your projector is used Projector Model number: Serial No.
165 9. Appendix T ravelCare Guide T ravelCare - a service for international travelers This product is eligible for “T rav elCare”, NEC’s unique inter national warranty . Please note that T ravelCare coverage differs in par t from coverage under the warranty included with the product.
166 9. Appendix NEC Corporation of Malaysia Sdn. Bhd. Address: 33rd Floor , Menara T A One, 22, J alan P . Ram- lee, 50250 K uala Lumpur , Malaysia T elephone: +6 03 2178 3600 (ISDN) F ax Line: +6 03 2178 3789 Email Address: necare@nsm.nec.co.jp WEB Address: http://www .
167 9. Appendix T O: NEC or NEC’ s Authorized Service Station: FM: (Company & Name with signature) Dear Sir (s), I would like to apply your T rav elCare Ser vice Program based on attached regist.
168 9. Appendix 5. Loan Service Charges and Conditions: Upon acceptance of this NEC Projector, Customer agrees to assume liability for this loan unit. The current cost of use of this loan unit is $200.
© NEC Dis play Sol uti ons , Ltd. 20 0 9 7N9 5 132 1.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il NEC lcd projector è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del NEC lcd projector - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso NEC lcd projector imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul NEC lcd projector ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il NEC lcd projector, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del NEC lcd projector.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il NEC lcd projector. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo NEC lcd projector insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
