Bedienungsanleitung NAD CI 980 (Seite 8 von 12) (Englisch)

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5 INPUT/OUTPUT (ZONE 1 - 4)

• These INPUT/OUTPUT terminals are dedicated to their respective

ZONE SPEAKERS.

• Always turn OFF the CI 980 and other components in the system before

connecting or disconnecting anything to the INPUT/OUTPUT terminals.

• Connect the output from a pre-amplier or processor, such as a

surround-sound decoder, to corresponding Zone’s INPUT terminals.

Use a twin RCA-to-RCA lead to connect the left and right “Audio

Output” of the preamplier or processor to these INPUT terminals.

• A Zone’s OUTPUT terminal is a line level “loop through” output. The

same level of input signal at the INPUT terminals of a particular

Zone is available at the corresponding OUTPUT terminals thereby

allowing the same signal to be shared or passed on to another

amplier.

6 GAIN CONTROL (ZONE 1-4)

• The CI 980 is equipped with separate GAIN controls for each Zone.

• Before switching ON the CI 980 from standby mode for the rst time,

make sure all GAIN controls are set to minimum (MIN) level position.

• Rotate clockwise or counterclockwise a Zone's GAIN control to

adjust its audio level with respect to the corresponding Zone's

INPUT source signal.

Level Matching

In a surround sound or system with more than one set of speakers,

dierences in levels can occur due to varying ineciencies among the

speakers. In case your preamplier or processor also has individual trims

for each channel, set these to neutral or mid position (usually marked as

0dB). Adjust the GAIN control so that the speakers driven by the CI 980

have the correct level compared to the other speakers, judging from

your listening position.

Extended Volume Control Range

Many systems have so much voltage gain that the speakers (or your

ears) are overdriven at any volume control setting higher than 11 or 12

o’clock. As a result you are conned to using only the lower half of the

volume control’s range, where adjustments are imprecise and where

channel balance errors tend to be greater.

If the input level is reduced, you can turn up the volume control of

your processor or preamplier, making more eective use of its range.

(Suggestion: Adjust the GAIN controls so that your preferred maximum

sound levels usually occur at about 2 or 3 o’clock on the volume

control). As an added benet, this procedure suppresses any noise

produced by the preamplier’s high level circuitry (e.g. any residual hum

or hiss that does not go away when the Volume is turned down).

7 AC MAINS INPUT

• The CI 980 comes supplied with a separate AC Mains cable.

• Before connecting the plug to the mains power source, ensure that

it is rmly connected to the CI 980’s AC Mains input socket rst.

• Always disconnect the mains power plug from the mains power

source rst, before disconnecting the cable from the CI 980’s AC

Mains input socket.

8 FUSE HOLDER

• In the unlikely event a fuse may need to be replaced, unplug the AC

cord from the wall. Then, remove all connections from the amplier.

Use a athead screwdriver or similar to open the fuse holder via the

slot located on the top edge of the fuse holder. With the screwdriver

in place, push it outward to unlatch and open the fuse holder.

• Only replace the fuse with the same type, size, and specication -

T6.3AL 250V.

IMPORTANT NOTICE

Do not use any substitute fuses of dierent types or with dierent ratings

or values. Failure to observe this precaution may cause damage to the

amplier circuits and may create a re hazard and/or defeat the safety

built into the amplier and may void the warranty.

9 +12V TRIGGER IN/OUT

• The +12V TRIGGER IN allows the CI 980 to be remotely switched

from standby mode to operating mode and vice-versa by ancillary

equipment such as a preamplier, AV processor, etc. The controlling

device must be equipped with a 12V trigger output to use this feature.

• The +12V TRIGGER OUT is used for controlling external equipment that

is equipped with a +12V trigger input. With TRIGGER - OFF/ON/AUTO

set to OFF, this output will be 12V when the CI 980 is at operating mode

and 0V when it is at standby mode or powered OFF.

• Refer also to the item about "TRIGGER - OFF/ON/AUTO".

10 TRIGGER - OFF/ON/AUTO

• This switch has three settings - OFF, ON or AUTO.

• At OFF setting, +12V TRIGGER OUT will output 12V when CI 980 is at

operating mode and 0V when it is at standby mode or powered OFF.

• At ON setting and with the +12V TRIGGER IN of the CI 980

connected to the DC output jack of a compatible auxiliary

component, the CI 980 can be switched remotely from standby

mode to operating mode and vice-versa. Use a 3.5mm mini-jack to

pass +12V from the auxiliary equipment into the CI 980.

• At AUTO setting, the CI 980 will instantaneously turn to

operating mode from standby mode if it senses any input signal

(approximately above 20mV RMS input) applied through any of the

GLOBAL or ZONE INPUT sockets.

NOTES

• With the rear panel POWER switch at ON position and the OFF/ON/

AUTO switch at AUTO setting, the CI 980 cannot be switched ON using

the front panel STANDBY button. Slide the OFF/ON/AUTO switch to OFF

setting for the CI 980 to be normally switched ON (or back to standby

mode) using the front panel STANDBY button.

• It will take about 10 minutes for the CI 980 to go to standby mode when

the input signal source is turned OFF.

11 POWER SWITCH

• The POWER switch supplies the master AC mains power for the

CI 980.

• When the POWER switch is set to ON position and with TRIGGER

OFF/ON/AUTO set to OFF, the CI 980 goes to standby mode as

indicated by the amber status of the Standby LED. Press the front

panel Standby button to switch ON the CI 980 from standby mode.

• If you intend not to use the CI 980 for long periods of time (such as

when on vacation), switch o the POWER switch.

IDENTIFICATION OF CONTROLS

REAR PANEL

ENGLISH FRANÇAIS ESPAÑOL ITALIANO DEUTSCH NEDERLANDS SVENSKA РУССКИЙ

NAD CI 980 Seite 8

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