Manuale d’uso / di manutenzione del prodotto DN9848 Loudspeaker Processor del fabbricante Telex
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Software Version 3.02 Telex Communications (UK) Limited, Klark Teknik Building, Walter Nash Road, Kidderminster. Worcestershire. DY11 7HJ. England. Tel:+44 (0) 1562 741515 Fax:+44 (0) 1562 745371 Email: sales@ktgplc.com Website: www.klarkteknik.com DN9848 Loudspeaker Processor Operat ors Manual DOC02-DN9848 Issue 2.
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IMPORTANT SAFETY INSTRUCTIONS These symbols are internationally accepted symbols that warn o f potential hazards with electrical products. The lightning flash with arrowhead symbol, within an equilat .
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Telex Communica tions (UK) Limited, Kla rk Teknik Bu ilding, Walter Nash Road, Kiddermi nster. Worcs. DY11 7 HJ. England. Tel: +44 1562 741515 Fax: +44 15 62 745371 www.
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Thank You For Using This Klark Teknik Prod uct Our engineers have designed this product with unc ompromising dedicati on to providing the superb audio performance, ease of use and rugged re liability that meets the demands of live sound engineering.
6.2.9 Output Limiter ................................................................................................... 17 6.3. Monitoring the Ou tput Signal...................................................................................... 17 6.4.
ATTENTION! 1 Please ensure that you read and follow the IMPORTANT SAFETY INSTRU CTIONS at the front of this manual and the SAFETY WARNINGS and INSTALLATION CONSIDERA TIONS given below. Safety Warning To prevent shock or fire hazard, do not expose the unit to rain or moisture.
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DN9848 Key Features 3 1. I NTRODUCING THE DN9848 The DN9 848 is a h ighly co nfigur able, d igital e lectr onic cross-over/loudspeaker management system comprising four balanced analogue input channels and eight balanced analogue output channels.
Controls, Connectors, Indicators 4 2. F RONT P ANEL 1 Input channels A-D Menu Access Buttons A-D Press to access and step through the menu pages for the respective input. The availabl e pages depend on the current security setting. The button is lit when active.
Controls, Connectors, Indicators 5 3. R EAR P ANEL 1 IEC fused mains inlet socket For mains power connection. Accepts input voltages from 100-240V AC 50/60Hz.
DN9848 Menu System 6 4. P ROGRAMMING S ETTINGS 4.1. The DN9848 Programming Panel All the parameters for input and output signal processing and routing are defined vi a function specific menu pages that are displayed and edited at the pr ogramming panel shown below.
DN9848 Menu System 7 If you prefer to program each parameter in turn across all the input/output channels, you can also skip across from the current channel to the same page on another input/output channel by pressing the MENU ACCESS button of the other channel.
DN9848 Menu Map 8.
Input Channels 9 5. I NPUT C HANNELS 5.1. Brief Technical Overview Referring to the illustration below, each input channel of the DN9848 processes the audio signal through delay and gain stages, followed by 12 ba nds of parametric equalisati on, and a full-band compressor.
Input Channels 10 5.2.3 Gain and Delay (Page 1) Gain and delay are also set in the fi rst page of the channel’s menu, providing easy access for quick adjustment during set up or performance. Note that the dela y can be sp ecified in t erms of t ime or distance, as preferred.
Input Channels 11 5.2.5 Compression (Page 14) Each input has an independent full-range compressor to improve the dynamics of the incoming signal levels. The compressors are variable ratio and can be set to a hard knee characteristic for a sharp gain reduction response at the compression threshold, or soft knee for a more ‘musical’ response.
Output Channels 12 6. O UTPUT C HANNELS 6.1. Brief Technical Overview The outp ut channe ls are sl ightly mo re comp lex than th e input c hannels in tha t they ar e respo nsible for the signal routing as well as output signal pr ocessing.
Output Channels 13 6.2. Setting Output Parameters Signal processing for each output channel is programmed independently via the separate Output menu associated with each channel.
Output Channels 14 6.2.4 Signal Invert, Delay and Output Level (Page 3) Each output can be phase inverted by 180 º (separate to the phase-alignment for cross-over), delayed for system alignment and the level attenuated or boosted. Delay can be specified in terms of time or distance, as preferred.
Output Channels 15 To apply a 1st order phase adjustment in relation to a chosen frequency 1 Step to the All-Pass page shown right. 2 Turn the right-hand knob to enable a 1st (90 º ) order shift. 3 Turn the left-hand knob to the required frequency.
Output Channels 16 6.2.7 Parametric Equalisation (Pages 2 to 13) The DN9848 provides six parametric equali sation stages on each output channel, for equalising the output signal in respect of loudspeaker and/or system characteristics.
Output Channels 17 3 Turn the left-hand knob clockwise to access the second sub-menu page. Use the centre knob to set the compressor attack time (range of 40 s – 1ms in 20 s steps or 1ms to 100ms in 1ms steps). Use the right-hand knob to set the release ti me (10ms to 2s in 10ms steps).
Output Channels 18 1 The meter uses a downward relative scale where the 0 segment repres ents the limiter threshold. For example, if the limiter thre shold is set to +5dB in the output menu page, then the signal meter 0 segment repres ents 5dBu true value, the –3 segment becomes 2dBu down, - 6 becomes -1dBu down and so on.
Security and other Set Up Options 19 7. DN9848 S ET U P O PTIONS 7.1. General The DN9848 provides various set up options for adapting the operation of the unit to best suit your operational requiremen.
Security and other Set Up Options 20 To set a Panel Lock 1 Step through the Set Up menu to the Panel Lock menu page. 2 Use the left and centre knobs to set a password of 12 characters, including blank spaces, made up of letters, numbers and/or symbols.
Security and other Set Up Options 21 To switch System Protect on 1 Step through the Set Up menu to the System Protect menu page. 2 Use the left and centre knobs to set a password of 12 characters (including blank spaces) made up of letters, numbers and a limited number of symbols.
Security and other Set Up Options 22 Names can also be allocated to indivi dual input and output channels via their associated menus (see Sections 5.2.
Using the DN9848 Memories 23 8. S TORING AND R ECALLING S ETTINGS The DN9848 Loudspeaker Processor is provi ded with the following memory facilities: 32 lockable System memories, designated as S01 to S 32, for storing standard set ups in battery-backed-up SRAM.
Using the DN9848 Memories 24 To recall stored se ttings from memory 1 Press the black RECALL button to access the Recall men u. 2 Select a User, System or Preset memory using the left, centre or right-hand knob. 3 Press RECALL to confirm the action and return to the DN9848 Home page.
Remote Control Setup 25 9. DN9848 R EMOTE C ONTROL S ETUP Up to 32 DN9848 Loudspeaker processors can be l inked together in a dai sy-chain RS-485 network for remote control from a computer running the commercially available Stardraw or Smaart software.
Remote Control Setup 26 DN9848 Connection Laptop/PC Connection Cable /Converter Required D9 COM port Host cable RS-232 input to front panel PC PORT for short cable run USB port KK systems USB/232 converter plus host cable D9 COM port RS-232/485 converter, e.
Application Notes 27 10. A PPLICATION N OTES 10.1. The Advantage of DN9848 Look-Ahead Limiters The limiter in a loudspeaker processor i s the last line of defence in protecting the speaker dri vers from damage, and as such it has a very specific and critical job to do.
Application Notes 28 DN9848 is caused by the use of sigma-del ta converters for both analogue-to-digital and digital-to analogue conversion (the competitor unit uses a different method of digi tal-to-analogue conversion), which allows the DN9848 to achieve its superior dynami c range.
Application Notes 29 10.2. Phase-adjustment with the DN9848 To meet the demands of a wide range of situati o ns, the Klark Teknik DN9848 provides two all-pass filters with complementary control parameters for fine-tuning the phase response on each output.
Application Notes 30 Au di o Pr eci s i on 01/ 19/ 01 16: 00: 02 1st or der a l l pa ss @ 300, 1K, 10K phas e. at 1 Col or Li ne S t y le T hic k Dat a A x i s Gr een Soli d 1 A nlr .P ha s e Lef t Y e llo w S ol id 1 A n lr.Pha s e R igh t Y e llo w S ol id 1 A n lr.
Technical Specification 31 11. T ECHNICAL S PECIFICATION Audio Inputs (four) Type Electro nically ba lanced ( Pin 2 Hot) Impedance ( Ω ) Bal anced 20k, Unbalanced 10k Common Mode Rejection >80dB .
Technical Specification 32 High pass filter Types available Butterworth (6dB/Oct, 12dB/Oc t, 18dB/Oct, 24dB/Oct, 36dB/Oct, 48dB/Oct) Linkwitz-Riley (12dB/Oct, 24dB/Oct) Bessel (12dB/Oct, 18dB/Oct, 24d B/Oct, 36dB/Oct, 48dB/Oct) 12dB/Oct Peaking 24dB/Oct Peaking Freq.
Technical Specification 33 Factory Presets for X-Array S eries Out Memory Identification In 1 2 3 4 5 6 7 8 A L F H F B LF HF C LF HF P01 XW15 – 4MIX R1-3 4 x EV XW15 15” Bi-amped (8 outputs use d.
Technical Specification 34 Factory Presets for X-Array Install (Xi) S eries Out Memory Identification In 1 2 3 4 5 6 7 8 A LF HF B LF HF C LF HF P08 XI1122/85 4MIX R1-2 4 x EV XI1122/85 12” Bi- ampe.
Technical Specification 35 Out Memory Identification In 1 2 3 4 5 6 7 8 A LF MB HF FULL B LF MB HF FULL C P18 XI2153/64 R1-2 2 x EV XI2153/64 15” Tri-amped (6 ouputs used) D A 1191 SUB 2153 LF 2153 .
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 Telex DN9848 Loudspeaker Processor 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 Telex DN9848 Loudspeaker Processor - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Telex DN9848 Loudspeaker Processor imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Telex DN9848 Loudspeaker Processor ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Telex DN9848 Loudspeaker Processor, 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 Telex DN9848 Loudspeaker Processor.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Telex DN9848 Loudspeaker Processor. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Telex DN9848 Loudspeaker Processor 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.
