NAIM AV2 Bedienungsanleitung

OWNERS MANUAL

AV System

page

1.0 Equipment installation

Normally your Naim equipment will have been installed by the dealer who sold

it to you even if you live outside their immediate vicinity. Your dealer is

responsible for making sure that the system sounds exactly as it should and

information given here is not intended to reduce this responsibility in any way.

1.1 cables and connections

Please do not modify the standard interconnect cables supplied with your Naim

equipment. This is important for safety as well as performance. One end of each

cable is marked with a band to establish its correct orientation. The band always

marks the end that connects to the signal source.

Loudspeaker leads are also very important. Naim loudspeaker cable is correct for

your system and your dealer will make up leads to suit your equipment

installation. The leads should each be at least 3.5 metres long and of equal

length. The recommended maximum is 20 metres. Loudspeaker leads are, like

interconnect leads, directional, and should be connected so that the printed

arrow points towards the speakers. Using alternative loudspeaker cable will

degrade performance, and may even damage your amplifier. An exception to

these loudspeaker cable constraints is the nap 6-50 multi-room power

amplifier. The nap 6-50 is designed to be tolerant of both a wide variety of cable

types, and cable runs well in excess of 20m. The loudspeaker connectors supplied

with all Naim amplifiers and loudspeakers have been specifically designed 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 easiest way to clean them is to switch off the

equipment, pull the plugs out of their sockets, and push them back in again.

Special contact cleaners and contact enhancers should not be used as they tend

to deposit a film which is very difficult to remove and may degrade the sound.

1 1.0 Equipment Installation

1.1 cables and

connections

2 2.0 Getting Started

2.1 switching on and off

2.2 running in

2.3 mains supply

2.4 siting the equipment

2.5 if you have a problem

3 3.0 Warnings

4 4.0 Connection

4.1 mains lead

4.2 non-rewireable mains plugs

4.3 fuse carrier

4.4 plug fuses

5 5.0 product introduction

6 6.0 av2 basics and quick setup

8 7.0 av2 inputs and interfaces

9 8.0 av2 outputs and interfaces

10 9.0 av2 detailed setup

16 10.0 av2 operation

22 11.0 av2 setup defaults

23 12.0 av2 connection diagrams

26 13.0 nap v175 installation and

operation

27 14.0 nap v175 connection diagram

28 EC Declaration of Conformity

Licence Declarations

contents

Introduction

Naim Audio products are always conceived with performance as the top priority

and careful installation will help ensure that their full potential is achieved. This

manual begins with general installation tips for all Naim Audio products, and

statutory safety warnings. Product specific information begins in Section 5.

22.0 Getting Started

2.1 switching on and off

Source components and power supplies for cd players, tuners, preamplifiers and crossovers

should be switched on before switching on the amplifier(s). Always switch the amplifier(s)

off and wait about a minute for the power supply capacitors to discharge before

connecting or disconnecting any leads. Always use the power switch on the product rather

than a mains outlet switch.

2.2 running in

Your Naim equipment will take a considerable time to run-in before it performs at its best.

The duration varies, but under some conditions you will find that the sound continues to

improve for as much as five weeks. Better and more consistent performance will be

achieved if the system is left switched on for long periods. It is worth remembering

however that all electronic equipment can be damaged by lightning. Please read the

warnings section.

2.3 mains supply

Where fused plugs are used 13 amp fuses should be fitted. Fuses of a lower rating will fail

after a period of use.

A hi-fi system usually shares a mains circuit with other household equipment some of

which can cause distortion of the mains waveform. In some Naim equipment such

distortion can lead to a mechanical hum from the transformers. The hum is not

transmitted through the speakers and has no effect on the performance of the system but

is purely local to the transformer itself. A separate fused mains circuit (like that reserved

for electric cookers) may reduce transformer hum. Such a circuit (ideally with a 30 or 45

Amp rating) will also have 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 from the

loudspeakers. The minimum recommended distance is 300mm (12 inches), and that

allowed by the standard interconnect lead is the maximum.

Some Naim equipment is extremely heavy. Ensure that your equipment rack or table can

easily support the weight and is stable.

2.5 if you have a problem

Legal consumer protection varies from country to country. In most territories a dealer

must be prepared to take back any Naim equipment he has sold you if he cannot make it

work to your satisfaction in your own home. A problem may be due to a fault in any part

of the system or its installation so it is essential to make full use of your local dealer’s

diagnostic skills on site. Please contact your local distributor, or Naim at the address in

the back of this manual, if any difficulties cannot be resolved. Some Naim equipment is

made in special versions for different territories and this makes it impracticable to arrange

international guarantees. Please establish the guarantee arrangements with your own

dealer at the time of sale. We are always available to offer help and advice.

It is essential that repairs and updates are only carried out by an authorised Naim dealer,

or at the factory by Naim itself. Many components are made, tested or matched specially

for Naim and appropriate replacements are often unobtainable from non-specialist

sources.

WARNING

THIS APPARATUS

MUST BE EARTHED

important

In order to comply with current

European safety regulations it is

essential that the Naim loudspeaker

connectors supplied with amplifiers

and loudspeakers are used.

Do not under any circumstances

allow anyone to modify your Naim

equipment without first checking

with the factory, your dealer, or

your distributor. Unauthorised

modifications will invalidate your

guarantee.

For your own safety do not under

any circumstances open Naim

equipment without first

disconnecting the mains.

The following label is attached to

all mains powered equipment:

3.0 Warnings

Naim equipment is designed to offer the finest sound quality that can be achieved

avoiding compromise wherever possible. This can lead to circumstances that may be

unfamiliar. The material that follows contains advice specifically related to Naim

equipment as well as more general warnings about the use of domestic audio products.

Please read it carefully.

The transformers in Naim power amplifiers and power supplies may sometimes make a

mechanical noise caused by distortion of the mains waveform. Naim transformers are

large in size and have heavy gauge secondary windings making them relatively sensitive

to such distortion. A separate mains circuit for your hi-fi system may reduce the effect

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 radiation and both the choice

and exact siting of equipment may be critical. If there is a known problem in your locality

it is advisable to arrange for a home demonstration before purchase to find out if Naim

equipment is likely to be affected. Susceptibility to radio frequency interference is related

to the wide internal bandwidth necessary for high sound quality. Systems incorporating

moving coil phono preamplifiers and active crossovers are more likely to suffer. A radio

frequency filter kit is available for some Naim equipment but sound quality will be

progressively compromised as more elements of the kit are fitted. In situations of extreme

radio interference Naim equipment may be unsuitable.

Your Naim hi-fi system can be damaged by lightning. Power amplifiers are particularly at

risk and should be turned off when there is risk of lightning strike. For complete protection

all mains plugs and any aerial cables should be disconnected when not in use.

Equipment must not be exposed to dripping or splashing and no objects filled with liquid,

such as vases, should be placed on the equipment.

4.0 Connection

4.1 mains lead

As the colours of the wires in the mains lead of this apparatus may not correspond with

the coloured markings identifying the terminals in your plug proceed as follows:

The wire which is coloured GREEN-AND-YELLOW must be connected to the terminal in

the plug which is marked by the letter Eor by the safety earth symbol or coloured green

or green-and-yellow.

The wire which is coloured BLUE must be connected to the terminal in the plug which is

marked with the letter Nor coloured black.

The wire which is coloured BROWN must be connected to the terminal in the plug which

is marked with the letter Lor coloured red.

4.2 non-rewireable mains plugs

If a non-rewireable plug is cut from a mains lead (for whatever purpose) the plug MUST

be disposed of in a way to render it totally unusable. Considerable shock hazard exists if

the cut-off plug is inserted into a mains outlet.

4.3 fuse carrier

Should the plug fuse carrier be damaged or lost, the correct replacement must be obtained

from your dealer or from Naim direct. Do not use the plug until the fuse carrier is replaced.

4.4 plug fuses

Replace only with ASTA or BS 1362 approved fuses.

note

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 against harmful interference in a

residential installation. This equipment generates, uses and can radiate radio frequency and, if not

installed and used in accordance with the instructions, may cause harmful interference to radio

communications. However, there is no guarantee that interference will not occur in a particular

installation. If this equipment does cause harmful interference to radio or television reception,

which can be determined by turning off and on, the user is encouraged to try to correct the

interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and the receiver.

• Connect the equipment into an outlet on a circuit different from that to which the receiver is

connected.

• Consult your Naim dealer or an experienced radio/TV technician for help.

5.0 product introduction

This manual covers the installation and use of the av2 audio-visual processor and the nap

v175 three-channel power amplifier. Together these two components can add

comprehensive audio-visual capabilities to any Naim system.

The av2 is an audio processor for Dolby* Digital, Dolby Surround and DTS Digital

Surround™ encoded programme material. It is designed to decode and control audio

signals in multi-channel home theatre systems and to interface between an audio-visual

system and a conventional two channel audio system.

The av2 is fundamentally straightforward in use. However, its comprehensive functions

and setup flexibility mean that a little time spent reading this manual will help ensure

problem-free installation and use.

The nap v175 is a three channel power amplifier intended to drive a centre channel

speaker and a pair of either main front or surround channel speakers.

Following this product introduction, the manual is divided into the following

sections:

6 av2 basics and quick setup.

This section provides an introduction to the basics of setting-up the 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 interface sockets

of the av2.

9 av2 detailed setup.

This section describes the setup of the av2 including use of the narcom av remote

handset.

10 av2 operation.

This section describes the operation of the av2 including use of the narcom av remote

handset.

11 av2 setup defaults.

This section illustrates the default av2 setup parameters.

12 av2 connection diagrams.

This section contains an illustration of the av2 connection panel, and diagrams

illustrating integration of the av2 into both conventional and dedicated audio-visual

systems.

13 nap v175 installation and operation.

This section describes the installation and operation of the nap v175.

14 nap v175 connection diagram.

This section contains an illustration of the nap v175 connection panel.

av2/nap v175

note

* Dolby is a trademark of Dolby Laboratories.

“DTS”, “DTS-ES Extended Surround” and “Neo:6” are trademarks of Digital Theater Systems Inc.

6.1 switching on and off

Wake av2 from standby (power switch on).

Handset: press and hold standby.

Front panel: press and hold input or mode.

Put av2 to sleep (power switch on).

Handset: press and hold standby.

Front panel: press both input and mode.

6.2 input setup routine

Enter setup mode.

Handset: press menu followed by i/p.

Front panel: press and hold input.

Scroll up or down parameter list.

Handset: press 2or 8

Front panel: press input or mode.

Adjust setting

Handset: press 4or 6

Front panel: rotate rotary control

three

setup parameters parameter settings

6.0 av2 basics and quick setup

Installation of the av2 requires two setup routines to be carried out - input setup and

speaker setup. These routines configure the av2 for the source equipment and

loudspeakers it is to be used with and specify some signal decoding options. Some setup

parameters are dependent on the state in which the av2 was last shut down so setup may

be simplified if the av2 is returned to its setup defaults. See Section 11 for notes on

restoring setup defaults. Information on av2 decode modes and capabilities can be found

starting in Sections 10.2 - 10.6

The following diagrams provide a short-cut through the setup routines. They can also be

used in conjunction with the detailed notes in Sections 9 and 10 where setup choices

display legends 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

on or

input

menu i/por

input

menu i/por

input

46

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 source)

AN4 ---...an4...scd

analog input 4 (select source)

an5 ---...an5...scd

analog input 5 (select source)

an6 ---...an6...scd

---...op1...scd

---...op2...scd

analog input 6 (select source)

op1

optical digital input 1 (select source)

op2

---...co1...scd

---...co2...scd

rc5 dat

optical digital input 2 (select source)

co1

coaxial digital input 1 (select source)

co2

coaxial digital input 2 (select source)

ext

remote control

note

Analog inputs 1 and 2 can be

combined to provide one 8

channel or 6 channel input. In

either case input 2 is then

unavailable. For a complete

description of this facility see

Sections 7 and 9.

note

The final three stages of the

input setup routine provide

adjustment for three Dolby

Surround Pro Logic II music

programme decode parameters.

It is not necessary to set these

parameters initially. See

Section 9 for detailed

information on these decode

parameters.

note

With DAT (data) selected for

the EXT parameter RC5 (remote

handset) control is disabled.

RC5 can be re-enabled using

the front panel controls.

Dolby Surround Pro Logic II “Panorama”

Dolby Surround Pro Logic II “Dimension”

Dolby Surround Pro Logic II “Centre Width”

Pan off on

00 - 0

00 - 06

setup parameters parameter settings

LR LG

main speakers (size)

cen no sm

centre speaker (presence, size)

sur no sm lg

surround speakers (presence, size)

eR no 1sm 1lg 2sm 2lg

extra rear speakers (presence, quantity, size)

sub no yes

sub-woofer (presence)

unt ft m

speaker distance units (feet, metres)

l0 - 40 0 - 12.0

-30 - +30

left main speaker (distance, ft or m)

cen 0 - 40 0 - 12.0

0 - 40 0 - 12.0

-30 - +30

centre speaker (distance, ft or m)

right main speaker (distance, ft or m)

right surround speaker (distance, ft or m)

right extra rear speaker (distance, ft or m)

left extra rear speaker (distance, ft or m)

left surround speaker (distance, ft or m)

sub

sub-woofer (distance, ft or m)

tst off on

test signal (off, on)

main left speaker (level trim)

cen

centre speaker (level trim)

main right speaker (level trim)

right surround speaker (level trim)

right extra rear speaker (level trim)

left extra rear speaker (level trim)

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: press 4or 6

Front panel: rotate rotary control

three

mode

28

one

two

mode

menu modeor

input

46or

note

The av2 user interface allows

continuous scrolling through

the speaker level setup stages.

note

The handset voland vol

keys must be used initially to

set the overall volume when

the test function is engaged.

note

Some parameter options in the

speaker setup routine are

interrelated. For example, if NO

is specified for a specific

speaker, its setup options will

be unavailable. Similarly, if NO

sub-woofer is specified, only a

default option will be available

for the main left and right

speakers.

Exit setup mode.

Handset: press menu followed by mode

Front panel: press and hold mode.

four

mode

menu modeor

7.0 av2 inputs and interfaces

Note: The entire AV system should be switched off before connecting or disconnecting any

inputs.

The av2 has a total of ten audio inputs: six stereo analog and four digital. The analog

inputs are connected through a combination of DIN and phono sockets while two digital

inputs are connected through optical “TosLink” sockets and two through coaxial phono

sockets. A remote control RC5 input is also fitted to enable remote control handset

commands to be relayed to the av2. This feature provides enhanced multi-room or

“concealed” installation flexibility. The RC5 input is selected during the Input Setup routine

described in Section 9. Your dealer or local Naim Audio representative will be able to offer

advice on its use.

Analog input sockets ONE and TWO are “versatile” sockets that can be combined to enable

the connection of source components that already offer multi-channel outputs - DVD

Audio and Super Audio CD for example. When operating in combined mode, eight or six

input channels (available on the two DIN sockets) are routed internally direct to the output

volume control, bypassing the internal signal decoding. Eight or six channel combined

mode is selected during the Input Setup routine described in Section 9.

The input THREE socket also carries a stereo audio output signal. If the av2 is to be

integrated into a conventional stereo audio system 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.

Each input socket and its appropriate connection is detailed in the following table. See

the illustration in Section 12 for socket and pin identification.

7.1 input connections

Input Type Socket Connect

VI1 Analog 5 pin DIN Line-level stereo signal from source component.

(Combined mode: Left main, Right main, Left surround,

Right surround.)

VI2 Analog 5 pin DIN Line-level stereo signal from source component.

(Combined mode: Centre, Sub-woofer, Extra rear left,

Extra rear right.)

3Analog 5 pin DIN Line-level stereo signal from source component.

4Analog 2 x phono Line-level stereo signal from source component.

5Analog 2 x phono Line-level stereo signal from source component.

6Analog 2 x phono Line-level stereo signal from source component.

7Digital 1 x phono Digital audio source.

8Digital 1 x phono Digital audio source.

9Digital optical Digital audio source.

10 Digital optical Digital audio source.

11 RC 5 phono RC5 relay unit.

More! The 5 Pin DIN socket of Input 3 also carries stereo audio outputs. Input

3 should be used to connect the av2 to an existing Naim system.

More! The digital optical input sockets are fitted with protective plugs that

must be removed before use.

av2

8.0 av2 outputs and interfaces

The av2 is fitted with line-level signal output sockets for front left and right, centre,

surround left and right, extra rear left and right and “sub-woofer” channels.

The front, centre, surround and extra rear outputs are connected through 4-pin DIN

sockets and each of these should be routed to appropriate Naim power amplifiers. The

sub-woofer output is connected through a single phono socket and should be connected

to either an active sub-woofer or a mono power amplifier driving a passive sub-woofer.

An alternative sub-woofer output is available on the centre output socket.

The av2 is also fitted with both analog and digital audio outputs. These outputs duplicate

the selected input signal in either the analog or digital domain. No signal will be present

on the analog output if a digital input is selected and similarly no signal will be present

on the digital output if an analog input is selected. The analog outputs, connected via a

pair of phono sockets, can be used to restore the amplifier tape monitor outputs if these

have been used as a signal source for the av2. The digital output, available in both phono

socket and optical TosLink formats, can be used to connect a digital audio recorder such

as a CDR machine (if the digital data format is appropriate).

Interface connectors fitted to the av2 enable synchronised video signal switching, and

integration with multi-room home entertainment systems. The video switch interface is

connected via a “telecoms” style socket. This interface 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 type connector. Multi-room interface

functions of the av2 will depend upon the capabilities of the multi-room system and

controller in use. Your dealer or local Naim Audio representative will be able to offer

advice on both multi-room and OSD features.

Each output socket and its appropriate connection is detailed in the following table. See

the illustration in Section 12 for socket and pin identification.

8.1 output and interface connections

Output Type Socket Connect

1Analog 2 x phono Analog audio recording device (Tape).

2Digital optical Digital audio recording device (CDR, MD, etc).

3Digital 2 x phono Digital audio recording device (CDR, MD, etc).

4Analog 4 pin DIN Power amplifier - Front left and right.

5Analog 4 pin DIN Power amplifier - Surround left and right.

6Analog 4 pin DIN Power amplifier - Centre (and alternative sub-woofer).

7Analog 4 pin DIN Power amplifier - Extra rear left & right.

8Analog 1 x phono Active sub-woofer.

9Control RJ45 Naim vs1 Video Switcher.

10 Control RS232 Multi-room control.

More! On Screen Display (OSD) of the av2 front panel information will be

available if a vs1 Video Switcher is connected to both the av2 and to an

appropriate TV monitor. Use of OSD is covered in section 10.7.

More! The digital optical output socket is fitted with a protective plug that

must be removed before use.

av2

Andere Handbücher für AV2

Dieses Handbuch passt für folgende Modelle

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