O W N E R S M A N U A L
A V S y s t e m
Page 1: ...O W N E R S M A N U A L AV S y s t e m ...
Page 2: ... to make a robust mechanical connection It is essential that these are used in order to comply with current European safety regulations All the plugs and sockets supplied with your Naim equipment have been chosen because they make the best possible connection for their purpose A poor contact will degrade the signal substantially and plugs and sockets should look clean and free from corrosion The e...
Page 3: ...ve a lower impedance supply cleaner power and consequently improve system performance Do not wire voltage dependent resistors or noise suppressors into mains plugs They degrade the mains supply and the sound 2 4 siting the equipment Power supplies and amplifiers should be located a reasonable distance away from other equipment This separation will stop transformer radiation causing hum audible fro...
Page 4: ...ffect while also giving an overall improvement in sound quality It may be necessary however to take account of mechanical transformer noise when siting your equipment In some circumstances depending on where you live and the earthing arrangements in your home you may experience radio frequency interference Controls on broadcasting in some territories allow very high levels of radio frequency radia...
Page 5: ...ct Do not use the plug until the fuse carrier is replaced 4 4 plug fuses Replace only with ASTA or BS 1362 approved fuses 4 4note This equipment has been tested and found to comply with the relevant EMC and Safety Standards and where applicable also complies with the limits for a class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection ...
Page 6: ...av2 For those already familiar with the functions and operation of audio visual processors the section provides a diagram based short cut through the av2 setup routines 7 av2 inputs and interfaces This section describes the signal input capabilities input sockets and interface sockets of the av2 8 av2 outputs and interfaces This section describes the signal output capabilities output sockets and i...
Page 7: ...ends are more fully explained Exit setup mode Handset press menu followed by i p Front panel press and hold input mode 2 8 8ch an1 scd one four two mode input mode input standby standby on or or or input menu i p or input menu i p or input 4 6 or or or and off versatile analog input 1 select source multi Vi2 Vi1 an2 scd versatile analog input 2 select source multi AN3 an3 scd analog input 3 select...
Page 8: ...vel trim rr right extra rear speaker level trim LR left extra rear speaker level trim ls left surround speaker level trim sub sub woofer level trim 6 0 av2 basics and quick setup 6 3 speaker setup routine Enter setup mode Handset press menu followed by mode Front panel press and hold mode Scroll up or down parameter list Handset press 2 or 8 Front panel press input or mode Adjust setting Handset p...
Page 9: ...ystem this input output socket should be connected either to the system s tape monitor circuit or in the case of a Naim system to the appropriate preamplifier power supply or power amplifier input socket More Integration of the av2 with a conventional stereo audio system may require a non standard reversed connection cable Your local Naim Audio representative or dealer will be able to offer advice...
Page 10: ...erface is intended specifically for the Naim vs1 Video Switcher On screen display OSD of av2 operational and setup commands will be available if the video switcher is used The video switch interface socket should not be used for any other application Inappropriate use may cause damage to the av2 or other equipment to which the socket is connected The multi room interface socket is a 9 pin RS232 ty...
Page 11: ...rs and options for each speaker channel to be set More Some speaker setup parameters are dependent on the selected av2 input so setup may be simplified if the av2 is initially returned to its setup defaults To restore the default values separately in either setup page press and hold the handset disp key while the av2 is in the desired setup mode The display flashes once to confirm To restore the d...
Page 12: ... 6 keys front panel rotary control to select the option appropriate for the source component connected to the input Move to the next step by pressing 8 front panel mode button More If the 6CH or 8CH options have previously been selected for input VI1 input VI2 will not be available or displayed Step 3 The av2 display will now show AN3 on the left hand side and one of eighteen possible source compo...
Page 13: ...ive strength of the surround channels Use the 4 or 6 keys front panel rotary control to select a numerical value Move to the next step by pressing 8 front panel mode button Step 14 completes the av2 Input Setup routine To exit from Input Setup mode press the menu key followed by the i p key front panel press and hold input button Exiting from setup mode stores the settings selected for each parame...
Page 14: ...rround channel signal to the main left and right speakers Step 4 The av2 display will now show ER on the left hand side and again either NO 1SM 1LG 2SM or 2LG on the right hand side ER refers to extra rear left and right speakers and NO none 1SM one small 1LG one large 2SM two small or 2LG two large to their presence size and number Use the 4 or 6 keys front panel rotary control to select an optio...
Page 15: ...est noise to adjust the volume level for each speaker there are some issues that need to be considered if the dynamic range of the av2 is to be optimised Note that the adjustment levels are relative values only and do not have any effect on the loudness of the system for a given av2 volume setting For example if all the speaker channels had a setting of say 12 or if they all had a setting of say 6...
Page 16: ...ng the volume using the 4 or 6 keys front panel rotary control to be similar to the previous speaker It is always possible to return to and adjust the previous speaker by pressing 2 front panel input button More It may be helpful to cycle once or twice through all the speakers before making any level adjustments More If specific speakers have been previously defined as not present they will not be...
Page 17: ...decoding options are user definable although the results of processing for example music material with movie decoding mode are unpredictable In some cases however the av2 will automatically identify encoded material and only make available the appropriate decoding option or options The av2 display and decode indicators together show each decoding mode selected or imposed To select a decoding mode ...
Page 18: ...nd programme material decoded to conventional stereo or mono will reproduce satisfactorily without significant loss of programme information More The continual development of decoding technologies means that your av2 may offer and display some further or alternative decode options If this appears to be the case please visit www naim audio com and download the latest av2 manual Programme Material A...
Page 19: ...coded feature films music and even computer games can be reproduced in full bandwidth surround sound with up to seven audio channels left right centre surround left surround right surround extra low frequency effects The following few paragraphs provide a short description and explanation of each decode technology and mode available on the av2 Further technical information can be found at www dolb...
Page 20: ...hannel Dolby Digital systems do not lose the extra surround channel information it is simply reproduced by the left surround and right surround channels DTS Surround DTS Surround is an alternative digital audio encoding format that has become popular with feature film producers and can therefore be found on many DVDs The first feature film to be DTS encoded was Jurassic Park in 1993 DTS Surround p...
Page 21: ... Cinema EQ provides compensation for the over emphasised high frequency sound of some cinema soundtracks It is selected or disabled by pressing the menu key followed by the 2 key Bass Mix The Bass Mix option routes sub woofer channel information additionally to the main left and right loudspeakers It is selected or disabled by pressing the menu key followed by the 1 key Bass Mix will have no effec...
Page 22: ...handset for the av2 It is not compatible with other naim audio products input mode Switches numeric keys between input and decode mode selection i p mode i p mode Used to access setup pages and to scroll up and down through inputs and decode modes enter clear menu osd Used in On Screen Display control menu also used to access setup modes More In isolated cases it is possible for remote handset com...
Page 23: ...e default setup values or those that were in use when it was last shut down If the av2 is to be set up for a new installation and may have been previously used the setup values should be returned to their factory defaults To restore the default values separately in either setup page press and hold the handset disp key while the av2 is in the desired setup mode The display flashes once to confirm T...
Page 24: ...1 versatile analog in 2 versatile front out ch1 ch2 ch1 in ve ch2 in Analog in VI2 ch1 in ve ch2 in Analog in VI1 cen in ve sub in Analog in VI2 and VI1 multiple mode V2 V1 rear in ch1 ch2 ve surr d in ch1 ch2 front in ch1 ch2 12 0 av2 connection diagrams 2D 2PLII stereo Specifications av2 Inputs Six stereo analog two coaxial digital two optical digital Outputs Main left and right surround left an...
Page 25: ... ch 2 right 12 3 av2 connected to nap v175 and nap 150 stand alone audio visual system 12 0 av2 connection diagrams note The av2 features various technologies to reduce microphonic effects in particular a compliant mounting for the main circuit boards and the DIN sockets on the rear Some movement of the board and sockets when connecting disconnecting is normal ...
Page 26: ...ect Cables link plug and cover fitted av2 nap v175 nap 150 nac 112 to sub woofer surround ch1 left centre surround ch2 right front ch1 left front ch 2 right 12 4 nac 112 150 connected to av2 and nap v175 two channel system with audio visual added 12 0 av2 connection diagrams ...
Page 27: ...d hum loops the signal negative of the whole system should be connected to the mains earth in one place This should be the primary signal source 13 2 operation and protection Once installed the nap v175 is intended to remain permanently powered up via its rear panel switch If the internal heatsink reaches 70 C due to prolonged running at very high dissipation the mains supply will be interrupted a...
Page 28: ...Frequency response 3dB 3Hz 50kHz Input impedance 18 kilohms Mains supply 100V 115V 230V 50 60Hz Case size H x W x D 70 x 432 x 301mm mains input power to a v processor ch 1 nc ch 2 ve Socket 2 centre nc nc ve Socket 1 speaker ch1 left speaker centre speaker ch2 right 1 2 14 1 rear 14 0 nap v175 connection diagram ...
Page 29: ...s Manufactured under licence from Dolby Laboratories Dolby Pro Logic Surround EX and the double D symbol are trademarks of Dolby Laboratories Confidential unpublished works Copyright 1992 1997 Dolby Laboratories All rights reserved DTS Digital Surround is a discrete 5 1 channel digital audio format available on CD LD and DVD software which consequently cannot be decoded and played back inside most...
