Naim NAT05 XS Owner's manual

REFERENCE MANUAL

NAT05 XS FM TUNER

ENGLISH, DEUTSCH, FRANÇAIS, ITALIANO

Page Section

E1 1 Connections

E1 2 Mains Power

E2 3 General Installation

E3 4 NAT05 XS Installation

E4 5 NAT05 XS Operation

E5 6 NARCOM 4 Remote Handset

E6 7 NAT05 XS Connections

E6 8 NAT05 XS Specification

E6 9 Declaration of Conformity

Contents

SAFETY INSTRUCTIONS

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 retailer, or your distributor. Unauthorised

modifications will invalidate your guarantee.

Equipment must not be exposed to dripping or splashing

and no objects filled with liquid, such as vases, should be

placed on the equipment.

Batteries (battery pack or batteries installed) shall not be

exposed to excessive heat such as sunshine, fire or the like.

For your own safety do not under any circumstances open

Naim equipment without first disconnecting it from the

mains.

Warning: an apparatus with CLASS I construction shall be

connected to a mains socket outlet with a protective

earthing connection.

Where the mains plug or an appliance coupler is used as

the disconnect device, the disconnect device shall remain

readily operable. To disconnect the equipment from the

mains remove the mains plug from the mains outlet.

The following label is attached to all mains powered

equipment:

WARNING

THIS APPARATUS

MUST BE EARTHED

Products that display the crossed-out wheeled bin logo

cannot be disposed of as domestic waste. These products

must be disposed of at facilities capable of re-cycling them

and appropriately handling any waste byproducts. Contact

your local authority for details of the nearest such

facility. Appropriate recycling and waste disposal

helps conserve resources and protects the

environment from contamination.

E1

Naim products are conceived with performance as the top priority. Careful

installation will help ensure that their full potential is achieved. This manual covers the

NAT05 XS FM tuner. It begins with some general installation notes and statutory safety

warnings. Product specific information begins in Section 4.

Introduction

1 Connections

It is important for both safety and performance that

any standard cables supplied are not modified.

1.1 Analogue Audio Interconnect Cables

If options are available with your equipment and

installation, DIN interconnect sockets should be used in

preference to phono sockets. One end of each Naim

audio interconnect cable is marked with a band to

establish its correct orientation. The band denotes the

end that connects to the signal source. Naim Hi-Line

interconnect cables will provide the best results.

Audio interconnect plugs and sockets should be kept

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. Contact

cleaners and “enhancers” should not be used as the film

they deposit may degrade the sound.

2 Mains Power

Where fused plugs are used 13 amp fuses should be

fitted. Fuses of a lower rating will fail after a period

of use. Do not wire voltage dependent resistors or

noise suppressors into mains plugs. They degrade the

mains supply and the sound.

2.1 Mains Plug Wiring

In some territories a mains plug may need to be fitted

to the supplied mains lead. As the colours of the wires in

the mains lead may not correspond with the coloured

markings identifying the terminals in the plug proceed as

follows:

The wire coloured GREEN-AND-YELLOW must be

connected to the terminal in the plug marked by the

letter E or by the safety earth symbol or coloured GREEN or

GREEN and YELLOW.

The wire coloured BLUE must be connected to the terminal

in the plug marked with the letter N or coloured BLACK.

The wire coloured BROWN must be connected to the

terminal in the plug marked with the letter L or coloured

RED.

2.2 Equipment Fuses

Mains powered Naim equipment is fitted with a mains

fuse on the rear panel adjacent to the mains input socket.

Replace it if necessary only with the spare fuse supplied or

with an identical fuse. Repeated failure of the fuse points

to a fault that should be investigated by your retailer or

Naim itself.

2.3 Non-rewirable Mains Plugs

If a non-rewirable plug is cut from a mains lead (for

whatever purpose) the plug MUST be disposed of in a way

to render it totally useless. Considerable shock hazard exists

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

2.4 Mains Circuits and Cables

A hi-fi system usually shares a mains circuit with other

household equipment, some of which can cause distortion

of the mains waveform. This distortion can in turn lead to

mechanical hum from mains transformers. Some Naim

transformers are large in size, making them relatively

sensitive to such distortion, and it may be necessary

to take account of transformer hum when siting your

equipment.

Transformer hum is not transmitted through the speakers

and has no effect on the performance of the system;

however, a separate mains circuit may reduce it. Such

a circuit (ideally with a 30 or 45 Amp rating) will also

generally improve system performance. Advice on the

installation of a separate mains circuit should be sought

from a qualified electrician.

Only use either the mains cable and plugs supplied or a

Naim Power-Line mains cable.

E2

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.

3.5 Lightning Precautions

Your Naim hi-fi system can be damaged by lightning and

should be turned off and disconnected from the mains

when there is risk of lightning. For complete protection all

mains plugs and any aerial cables should be disconnected

when not in use.

3.6 Problems?

Consumer protection varies from country to country. In

most territories a retailer must be prepared to take back

any equipment he has sold if it cannot be made to work

satisfactorily. A problem may be due to a fault in the

system or its installation so it is essential to make full use of

your dealer’s diagnostic skills. Please contact your local

distributor, or Naim directly, 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

local guarantee arrangements with your retailer. Contact

Naim directly for help and advice if necessary.

3.7 Service and Updates

It is essential that repairs and updates are only carried

out by an authorised Naim retailer or at the Naim factory.

Many components are custom made, tested or matched

and appropriate replacements are often unobtainable

from other sources.

Direct contact to Naim for service or update information

should be made initially through Customer Services:

Tel: +44 (0)1722 426600

Email: [email protected]

Please quote the product serial number (found on its rear

panel) in all correspondence.

Introduction

3 General Installation

Naim equipment is designed to offer the finest

performance possible, avoiding compromise

wherever practical. This can lead to circumstances

that may be unfamiliar. The notes that follow contain

advice specifically related to Naim equipment as

well as more general warnings about the use of

domestic audio products. Please read them carefully.

3.1 Siting The Equipment

In order to reduce the risk of hum audible from the

loudspeakers, power supplies and power amplifiers

should be located a reasonable distance away from

other equipment. The maximum separation distance for

connected equipment is that allowed by the standard

interconnect lead.

Some Naim equipment is extremely heavy. Check the

weight of the equipment prior to lifting and if necessary

use more than one person so that it can be moved safely.

Ensure that your equipment rack or table can easily

support the weight and is stable.

3.2 Switching On

Source components and power supplies should be

switched on before the power amplifiers. Always switch

amplifiers off and wait a minute before connecting or

disconnecting any leads. Always use the power switch on

the product rather than a mains outlet switch.

A “thump” may be heard from the loudspeakers as power

amplifiers are switched on. This is normal, will not cause

any loudspeaker damage and does not point to any fault

or problem. A mild “pop” may also be heard shortly after

equipment is switched off.

3.3 Running In

Naim equipment takes a considerable time to run in

before it performs at its best. The duration varies, but under

some conditions the sound may continue to improve for

over a month. Better and more consistent performance

will be achieved if the system is left switched on for long

periods. It is worth remembering however that equipment

left connected to the mains can be damaged by

lightning.

3.4 Radio Interference

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. Susceptibility to radio

frequency interference is related to the wide internal

bandwidth necessary for high sound quality. A radio

frequency filter kit is available for some Naim equipment

E3

NAT05 XS Installation

4 NAT05 XS Installation

The NAT05 XS should be installed on a dedicated equipment stand intended for the

purpose. Do not stand it directly on top of another item of equipment. It should be

installed in its final location before connecting cables or switching on. Ensure also that the

system volume is turned down before switching on.

A number of power supply upgrade options are possible for the NAT05 XS. A diagram

illustrating the connection of one of these is shown in Section 7. Contact your local retailer

or distributor for advice if necessary on power supply connection.

4.1 Aerial Requirements

The NAT05 XS aerial input socket must be connected via

75Ω low-loss coaxial cable to a suitable aerial.

Ideally the aerial should be mounted on the roof, clear

of obstructions and as high as possible. Use of an aerial

preamplifier may disturb the muting operation of the tuner

and may cause cross-modulation problems (interference

from an adjacent strong radio broadcast). Such

preamplifiers should only be used as a last resort.

Radio broadcasts are usually transmitted from different

sites even though the target areas of the services may be

similar. This means that unless the transmitters are in almost

the same direction looking from your house, an aerial

aligned on one transmitter will give less than optimum

performance on the other. In these circumstances you

should fit an aerial rotator, or a less directional aerial if

appropriate. The more sensitive and directional the aerial

you use, the worse will be the reception in directions other

than the one towards which the aerial is pointing. If you

are particularly interested in receiving a wide range of VHF

transmissions an aerial rotator is a necessity. Your retailer

will be familiar with local conditions and will be able to

advise you on which stations you can expect to receive

satisfactorily.

4.2 Audio Outputs

The NAT05 XS is fitted with both DIN and RCA-phono output

sockets. Use of the DIN option is preferred, however, if the

RCA-phono option is to be used it must be selected once

the NAT05 XS is switched on. Section 5.2 describes output

socket selection.

4.3 Power Supply Upgrades

The NAT05 XS can be upgraded through the addition of

an external FlatCap or Hi-Cap power supply. The external

supply works with the internal power supply of the NAT05 XS

to offer both a greater number of separate supplies and

more sophisticated voltage regulation.

The upgrade power supply is connected to the NAT05 XS

via a 240° five-pin DIN cable. Ensure that both the power

supply and NAT05 XS are switched off when making

connections. Remove the link plug and connect the supply

cable ensuring that the connectors are securely attached.

From their respective power switches, switch on the power

supply followed by the NAT05 XS. Diagram 7.2 illustrates the

connection of an external power supply.

E4

NAT05 XS Operation

5.1 Front Panel Buttons and Handset Keys

The NAT05 XS can be operated either from its front panel

buttons or from the remote handset (switched to tuner

mode). The handset also provides control of station preset

memory and recall facilities. Section 6.1.3 describes preset

memory and recall. The front panel buttons and handset

keys operate as follows (handset keys are shown in

brackets):

mode: Toggles the tuner through three operational

modes: frequency, scan and preset. Preset

mode is covered further in Section 6.1.3.

down: In frequency mode, the down button or left (3)

(3) key adjusts tuning frequency downwards in

50kHz steps or continuously if held.

In scan mode, the down button or left (3) key

causes the tuner to “scan” down the FM band

searching for signals above a preset level. The

tuner will stop at each tuned station and, using

the remote handset, the option to store the

station as a preset will be available (see Section

6.1.3). If no satisfactory signals are found during

the first scan, a second scan at a lower preset

signal level will automatically commence.

In preset mode, the down button or left (3)

key causes the tuner to step sequentially down

through previously stored stations.

up: Controls the tuner in a similar manner to the

(4) down button and left (3) key.

mono: Combines the left and right channels to

(mon) produce a mono output signal. Switching to

mono can reduce background noise with weak

stereo signals. The mono setting is stored when a

station is saved as a preset.

Note: The front panel mono button indicator will illuminate

when mono is selected.

5.2 Output Socket Selection

A pair of RCA-phono output sockets are fitted on the

NAT05 XS rear panel to provide an alternative to the

preferred DIN socket. Proceed as follows to select the RCA-

phono sockets.

Press and hold the remote handset mode key (handset

in tuner mode), or the front panel mode button, until

the mode button indicator flashes. Further operations

of the mode key or button will now cycle through each

combination of the two socket types (DIN only, RCA-phono

5 NAT05 XS Operation

Once the NAT05 XS is installed and all connections are secure it can be switched on. If an

upgrade power supply is connected this should be switched on first. After switch-on the

tuner will remain muted for 25 seconds while control systems and circuits stabilise. During

this time all four front panel buttons will illuminate.

only or both). The selected option is indicated on the tuner

display as shown below:

Socket Option Tuner Display

DIN O

Phono

Both O

To avoid compromised sound quality, do not select both

socket types unless their simultaneous use is unavoidable.

Press and hold the mode key or button a second time to

exit from socket selection mode. Socket selection mode

will automatically exit after five minutes if no key or button

is pressed.

5.3 Front Display and Indicators

The NAT05 XS front panel display and indicators provide

visual feedback on tuner operation.

Display

Displays tuned frequency, selected preset number or “--”

indicating that no preset number is allocated to a specific

tuned frequency. Allocation of tuned frequencies to preset

numbers is covered in Section 6.1.3.

Indicators

stereo: Indicates that both a stereo signal is received and

stereo operation is selected.

freq: Indicates that the tuner is operating in frequency

mode.

scan: Indicates that the tuner is operating in scan

mode.

preset: Indicates that the tuner is operating in preset

mode.

5.4 Fault Conditions

The NAT05 XS will indicate that a power supply or link plug is

incorrectly installed by flashing all four front panel buttons.

The output of the tuner will be muted in this state.

If the mains voltage drops too far below its nominal level

the tuner output will be muted and all four front panel

buttons will illuminate. After the mains voltage recovers

there will be a 2 second delay before the output returns to

normal.

E5

NARCOM Remote Handset

6 NARCOM 4 Remote Handset

The NARCOM 4 remote handset is is a multi-functional remote control handset designed

to be used with Naim CD players, integrated amplifiers, preamplifiers, preset tuners and

subwoofers.

To fit batteries, remove the battery cover and insert the batteries into the body taking care

with their orientation. Replace the battery cover.

System Component keys

Numeric keys (soft)

CD Transport (global)

Volume and mute keys (global)

Left (

3

) and right (

4

) keys (soft)

Prog key and Mon key (soft)

Balance keys (global)

Scan and Mode keys (global)

Disp key (soft)

6.1 Using NARCOM 4 with the NAT05 XS

Operation of the NARCOM 4 handset is based around

three types of keys: System Component Keys, Global Keys

and Soft Keys.

6.1.1 System Component Keys

System Component Keys keys switch the operation of

the Soft Keys into modes appropriate to each system

component: CD player, tuner (tun) preamplifier, etc.

Global Keys operate specific component functions

regardless of the System Component Key setting and are

available at all times.

6.1.2 Gobal Keys

Global Keys operate as follows:

vol (5 & 6): Adjusts the preamplifier volume and the

volume control position.

mute: Reduces the preamplifier volume to zero. A

second press restores the volume.

bal (3 & 4): Adust channel balance on appropriately

equipped products.

CD Transport: Control CD transport and track selection.

scan: Switches the tuner to scan mode and starts

a scan from the current frequency upwards.

When a station is found the scan will stop.

Pressing the scan key will resume the scan.

mode: Switches the tuner between frequency,

scan and preset modes.

6.1.3 Soft Keys

In tuner mode the Soft Keys are used to store station

presets. Soft keys operate as follows:

The prog key enables specific FM station frequencies to be

assigned to preset memories. To assign a station to a preset

either tune manually by inputting the station frequency

directly from the numeric keypad or by using the left

(3), right (4) or scan keys. Stations found by the tuner

scanning the FM band can also be saved as presets.

When a station is tuned press and hold the prog key. The

tuner is now in preset program mode: the preset indicator

will flash and the display will show -- on the left hand side.

Enter the desired preset number from the numeric keypad

or by using the left

(

3

) and

right

(

4

) keys

. On its right

hand side the display will show — or P if the preset number

6.2 NARCOM 4 Keys

is already in use. If the preset number is already in use a

different preset number can be entered at this point. Exit

from program mode and save the new or overwritten

preset by pressing and holding the prog key. To exit from

preset program mode without saving (or overwriting) a

preset, select 0 0 on the numeric keypad.

To erase a preset number, select the preset and press and

hold the disp key.

The disp key can also be used to switch the tuner display

on and off. When the display is switched off it will illuminate

temporarily when a front panel button or handset key is

pressed.

Note: The info and select keys are

unused.

E6

NAT05 XS Connections and Specification

mains

input

and fuse

power supply

upgrade sockets.

Link plug tted.

phono output

top: left, bottom: right

DIN

output

remote in

FM aerial in

7 NAT05 XS Connections

7.1 NAT05 XS Rear

ch1

-ve

n/c

ch2

DIN output

power

Note: The power supply link plug should be fitted unless an

external upgrade power supply is in use.

Note: The remote input is intended to accept external

control signals for multi-room applications. Contact your

retailer or Naim Audio directly for further information.

7.2 NAT05 XS Connected to FlatCap XS Power Supply

mains input

and fuse

mains input

and fuse

power

8 NAT05 XS Specification

Tuning Range (Europe): VHF/FM 87.5 – 108MHz

(Tuning range regional

variations set internally)

Preset Memory: 99 stations

Output Level: 600mV at 100% modulation

Dimensions (H x W x D): 70 x 432 x 301mm

Mains Supply: 100-120V or 220-240V, 50/60Hz

9 Declaration of Conformity

Manufacturer Naim Audio Limited, Southampton Road,

Salisbury, England, SP1 2LN

Product NAT05 XS

Safety EN 60065 - Audio video and similar

electronic apparatus. Safety

requirements.

EMC EN 55013 - Sound and television broadcast

receivers and associated equipment.

EN55020 - Electromagnetic immunity

of broadcast receivers and associated

equipment.

EN 61000-3-2 - Limits for harmonic current

emissions.

EN 61000-4-2 - Testing and measurement.

Electrostatic discharge immunity.

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Naim Audio Limited, Southampton Road, Salisbury, England SP1 2LN

Tel: +44 (0)1722 426600 Fax: +44 (0)871 230 1012 W: www.naimaudio.com

Part No. 12-001-0086 Iss. 1

Naim NAT05 XS Owner's manual

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