Manual NAD c425 (page 5 of 68) (English, German, Dutch, French, Italian, Portuguese, Swedish, Spanish)

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ENGLISH

FRANÇAISDEUTSCHNEDERLANDSESPAÑOL

ITALIANO

PORTUGUÊS

SVENSKA

NOTES ON INSTALLATION

Your NAD C 425 should be placed on a firm, level surface. Avoid placing

the unit in direct sunlight, near sources of heat and damp or in poorly

ventilated positions. It comes with RCA leads for connection to your

amplifier. Ensure that leads and connectors are not damaged in any way

and all connectors are firmly pushed home.

If the unit is not going to be used for some time, disconnect the plug

from the AC socket. Should water get into your NAD C 425, shut off the

power to the unit and remove the plug from the AC socket. Have the

unit inspected by a qualified service technician before attempting to use

it again.

DO NOT REMOVE THE COVER; THERE ARE NO USER-

SERVICEABLE PARTS INSIDE.

Use a dry soft cloth to clean the unit. If necessary, lightly dampen the

cloth with soapy water. Do not use solutions containing benzyl or other

volatile agents.

QUICK START

Use the RCA-to-RCA lead to connect the NAD C 425 left & right outputs

to the Tuner Input of your amplifier.

1 Connect C 425’s output to amplifier.

2 Connect AM and FM antenna (see figure 3).

3 Plug in the AC power cord.

4 Press the POWER button (No. 1) to turn on the NAD C 425.

5 Press the AM/FM button (No. 6) to select AM or FM reception.

6 Press Preset/Tune button so that "PRESET" isn’t lit in display; the

tuner is now in Tune mode.

7 Rotate the PRESET/TUNE Control or to select a station.

REAR PANEL CONNECTIONS FIGURE 1

1 FM Antenna - A ribbon wire FM antenna is included and should

be connected to the FM connector at the rear of the unit using the

supplied "balun" adaptor (see figure 3). The ribbon aerial should be

mounted on a vertical surface and placed so that it forms a "T".

Experiment with placement of the antenna to find the position that

gives the best signal strength and lowest background noise. An

inadequate FM signal normally results in high levels of hiss, especially

in stereo, and interference from external electrical sources. In areas of

poor FM reception, the tuner section’s performance can be improved

by using an externally mounted FM antenna. A qualified aerial

installer will be able to advise and fit a recommended aerial for your

reception conditions.

2 AM Antenna - An AM loop antenna is supplied with the NAD

C425 and is required for AM reception. To connect the AM antenna,

first press the keys on the Antenna terminals downwards. Insert the

bare antenna wires into the two terminal holes and push the

connector keys upwards again to secure the connection (see figure

3). Test various positions for the antenna but always ensure the loop

is placed vertically for best reception. Placing the antenna close to

large metal items such as metal shelves or radiators may interfere

with reception.

3 Output - Using twin RCA-to-RCA leads, connect to the left (white)

and right (red) audio outputs to the "Tuner" input or other line-level

input such as "Aux" input of your amplifier. Do not connect this

cable to the amplifier’s "Phono" input.

4 IR in - The IR IN connector is used to pass commands from other

units fitted with IR OUT connectors. This allows centralized control of

a complete system, and also allows some of the basic functions of

other NAD components (such as a CD player or cassette-deck) also

equipped with IR IN to be controlled with an NAD system remote

control. To function with such other units, connect the C 425’s IR IN

to the IR OUT on the other unit. IR IN connectors can be daisy-

chained, IN to OUT, so that a whole system can be controlled from

the remote control facilities of one unit.

NOTE

The NAD C 425 has a built-in receiver for commands from a remote

control and doesn’t need to rely on IR IN to be remotely operated. It

is advisable not to connect IR IN if the other units that have their own

built-in remote control command receiver and are positioned

together, in direct view from the remote control handset. If you are

unsure, try operating the products without IR IN first; if the unit

responds to the remote control command, it will not be necessary to

connect IR IN.

5 +12V Trigger in - This input allows the C 425 to be switched

remotely to Stand-by and On by ancillary equipment such as an

amplifier or preamp, AV processor, etc. which are also equipped with

a 12V trigger output. For switching Stand-by/Power On of the C 425

by an external component, connect the12V-trigger input of the C

425 to the remote component’s DC output jack. The plug required is

a standard 3.5mm Mini-Jack plug ("mono"): The tip is the live or +

connection, the shaft of the input jack is the 12V-trigger – or ground

connection.

NOTE

The C 425’s 12V Trigger will work within a range of 6 to 15 V DC

level and typically draws less than 10mA of current. Check the

specifications of the Trigger output terminal on the remote

component to ensure it is compatible with the C 425’s 12V trigger

input. NAD components equipped with 12V output triggers are fully

compatible with the C 425’s 12V input trigger. Before making any

connections to any 12V trigger input or output, make sure all

components are disconnected from the AC mains. Failure to observe

the above may result in damage to the C 425 or any ancillary

components attached to it. If in doubt over the connections,

installation and operation of the 12V trigger output consult your

NAD dealer.

6 AC Line cord - Plug the AC power cord into a live AC wall socket

or to an AC convenience outlet at the rear of your amplifier.

7 RS-232 - Connect to the RS-232 serial port of a home-automation

system or personal computer (see “System Integration,” below).

Introduction

C425 072006.qxd 7/28/2006 11:31 AM Page 5

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NAD c425 Manual

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