Manuale d’uso / di manutenzione del prodotto MH-302L del fabbricante Bosch
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F01U217863(LIT000404000) Rev 04 4/2011 Models Include: MH-300 MH-300L MH-302 MH-302L MH-402 MH-402L Modular Series (MH) Headsets and Headphones User Instructions.
P ROPRIETARY N OTICE The product information and design disclosed herein were originated by and are the property of Bosch Security Systems, Inc. Bosch reserve s all patent, proprietary design, manufac.
A vailable MH Series Accessories Ear Cushion ................ ............ ........ ............ ........... ........... ........... ........... ........... ......... .... ....... ........... ............ ........... ........... ........... ..........
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Table of Contents INTRODUCTION ............................. .............................................. ....................................... ................. 3 Important Safety In structions ....................................................
CONNECTORS ........... ......................................................................................................... ................. 25 XLR Connector s .....................................................................................
List of Figures FIGURE 1. Models MH-300 and MH-300L ..................................................................................................... ....... 5 FIGURE 2. Models MH-302, MH-302L, MH -402, and MH-402L ................................
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3 CHAPTER 1 Intr oduction Important Safety Instructions 1. Read these instructions. 2. Keep these instructions. 3. Heed all warnings. 4. Follow all instructi ons. 5. This headset is capable of producing sou nd pressure levels in excess of 100dB SPL. 6.
4 Modular Series (MH) Headsets and Headphones User Manual Featur es Three (3) Headset Frame Options - The MH Series gives you three (3) options when sel ecting the t ype of headset for your environm e.
5 Introduction MH-300/MH-300L (no ANR) Single-Sided Headset/Headphone NOTE: The MH-300L is a listen-only headphone. It does not have a microphone. FIGURE 1 1. Models MH-300 and MH-300L 1. Headset Frame 2. Microphone Module or Auxiliary Audio Input Module 3.
6 Modular Series (MH) Headsets and Headphones User Manual MH-302/MH-302L (no ANR) & MH-402/MH-402L (ANR capable) Dual-Sided Headset/Headphone NOTE: The MH-302L and the MH-402L are listen-only headphones. They do not have a microphone. FIGURE 12. Models MH-302, MH-302L, MH-402, and MH-402L 1.
7 Introduction Battery Char ger NOTE: For more information, see “Battery Module” on page 21. 1. Operation LED 2. Module Release Button 3. Power Supply Connector Battery Char ger Power Supply FIGURE 13. Battery Char ger R eference Diagram FIGURE 14.
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9 CHAPTER 2 Configuration, Operation and Maintenance The MH Series Headsets and Headphones were designed for use in multiple applicat ions. As such, when using the headsets and headphones specific for you application, refer to the following sections to verify the proper configuration and settin gs.
10 Modular Series (MH) Headsets and Headphones User Manual To replace a module , do the following: 1. Align the mounting tab with the mounting tab hole.
11 Configuration, Operation and Mainten ance Configuration NOTE: The MH Series headset and headphones have been confi gured for use in the most common appli cations.
12 Modular Series (MH) Headsets and Headphones User Manual Configur e the Speaker V o lume Speaker V olume is configured using dip switch settings located on the microph one module and the listen-only module. To adjust the speaker volume , do the following: > Using a small flathead screwdrive r (or other device), adjust the speaker volume .
13 Configuration, Operation and Mainten ance Configure Speak er Mode Audio on the headset can be configured to be heard either Mono, Left Only , or S tereo. This means it can come from both sides of the headset or from the left side only . NOTE: The stereo option can only be used w ith the 5-pin XLR connector versions.
14 Modular Series (MH) Headsets and Headphones User Manual Configure ANR (MH-402 and MH-402L Only) ANR is used to reduce unwanted noise in the headset from the surrounding environment. The ANR switch is locat ed on the left ear cup, as seen in Figure 15.
15 Configuration, Operation and Mainten ance Operation and Maintenance To operate the MH Series headset , do the foll owing: St e p 1 Adjust the headset for pro per fit and comfort. See “Headset Adjustment and Sizing” on page 15. St e p 2 Adjust the microphone for proper use.
16 Modular Series (MH) Headsets and Headphones User Manual The MH-302/302L and th e MH-402/402L have two (2) ear cup cu shions and a headband cushion, while the MH-300 /300L has one (1) ear cup cushion, one (1) temple pad, and a headband cushion. To replace the ear cup cushion , do the following: 1.
17 Configuration, Operation and Mainten ance To replace the headband cushion , do the following: 1. Grasp the headband cushion . 2. Pull the worn cushion off the headband. 3. Remove the protective paper from the sticky side of the new headband cushion.
18 Modular Series (MH) Headsets and Headphones User Manual To replace the temple pad cushion , do the following: 1. Grasp the temple pad cushion . 2. Pull the worn cushion off. 3. Remove the protective paper from the sticky side of the new temple pad cushion.
19 Configuration, Operation and Mainten ance Replace the Windscreen To replace the wind scr een , do the following: 1. Remove the worn windscreen from the microphone and discard.
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21 CHAPTER 3 Battery Module Battery Module The battery modul e is only used with the MH-402 and MH-402L ANR head set/headphone. By u sing the battery and enablin g the ANR, the audio quality is markedly enhanced.
22 Modular Series (MH) Headsets and Headphones User Manual Charge the Battery IMPORT ANT : Before installing the battery for the first time, char ge the battery for at least an hour and a half to ensure a fully charged unit. A fully charged battery lasts approximately 40 hours between charges.
23 Battery Module To change the connection adap ter for the power module , do the followin g: 1. While pressing the adapter lock button, turn the adapter count er-clockwise to release the adapter . 2. Replace the current adapter with the desired power module adapter .
24 Modular Series (MH) Headsets and Headphones User Manual 3. Align the mounting tab with the mount ing tab hole on the battery char ger . 4. Slide the battery modu le into place. 5. Press down on the battery module , snapping it into the ear cup. The LED lights red while the battery is charging, and lights green when it is finished char gin g.
25 CHAPTER 4 Connectors XLR Connectors FIGURE 18. 4-Pin XL R Connector Femal e and Male TA B L E 3 . 4-Pin XLR Pin Out Pin Wire Co lo r Description 1B l u e M I C - 2 White MIC + 3 Black/Outer Shield .
26 Modular Series (MH) Headsets and Headphones User Manual Pig T ail Connector Pigtail connectors give you max imum flexibility in th e type of connector you want to use. T able 5shows the wi re colors and descriptions for the pigtail. FIGURE 19. 5-Pin XL R Connector Femal e and Male TA B L E 4 .
27 Connectors Quick Disconnect The Quick Discon nect allows you to quickly switch co nnector types without having to sw itch headsets, saving time and space when you are on the go.
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29 CHAPTER 5 Specifications Specifications Speake r T ransducer T ype ..................... ................. .............. .............. ............... .............. .............. ... ........... .............. .............. ........ Dynamic Sensitivity .
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31 CHAPTER 6 T r oubleshooting and F AQs PROBLEM SOLUTION Where do I send my headset for r epair? Attn: Customer Service Bosch Communications, Inc. 8601 East Cornhusker Hwy .
I need parts for my headset. • Contact customer service for the part number you are l ooking for . How long will it take my headset to be r epaired? Repair duration is usually 7 to 10 working days plus shipping time back to the customer .
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 Bosch MH-302L 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 Bosch MH-302L - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Bosch MH-302L imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Bosch MH-302L ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Bosch MH-302L, 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 Bosch MH-302L.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Bosch MH-302L. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Bosch MH-302L 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.
