Nad T 977 Bedienungsanleitung PDF herunterladen (Seite 6)

1 INPUT

· Each of the seven independent power ampliers within the T 977

has its own signal input connector.

· Connect the output from a preamplier or processor to this set of

inputs.

For optimum heat dissipation in an AV surround system, the following

audio channel allocations are recommended:

Channel 1 = Front Left speaker

Channel 2 = Surround Left speaker

Channel 3 = Surround Back Left speaker

Channel 4 = Center speaker

Channel 5 = Surround Back Right speaker

Channel 6 = Surround Right speaker

Channel 7 = Front Right speaker

NOTES

· Always turn OFF the T 977 and other components in the system before

connecting or disconnecting anything to the INPUT sockets.

· Before switching ON the T 977 from standby mode for the rst time,

make sure all input level controls are set to minimum (MIN) level

position. This prevents inadvertently beginning a session at excessive

volume.

2 INPUT LEVEL CONTROL

· The T 977 is equipped with separate input level controls for each

channel.

· Before switching ON the T 977 from standby mode for the rst time,

make sure all input level controls are set to minimum (MIN) level

position.

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 INPUT LEVEL CONTROL so that the speakers driven

by the T 977 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 input level 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).

IDENTIFICATION OF CONTROLS

REAR PANEL

ATTENTION!

Ensure that the T 977 is unplugged before making any connections. It is also advisable to power-down or unplug all associated components while making

or breaking any signal or AC power connections.

FUSE

MAINS IN

SPEAKER

INPUT

+12V TRIGGER IN

ON OFF

C HA NNE L 7

FR O NT R

C HA NNE L 6

C HA NNE L 5

C HA NNE L 4

C HA NNE L 3

C HA NNE L 2

S UR R R

SU R R -B R

CE NT E R

S UR R -B L

S UR R L

C HA NNE L 1

FR O NT L

FRONT R

SURR R

SURR-B R

CENTER

SURR-B L

SURR L

CHANNEL 1

FRONT L

LEVEL

MAX

MIN

MAX

MIN

MAX

MIN

MAX

MIN

MAX

MIN

MAX

MIN

MAX

MIN

CHANNEL 7

CHANNEL 6

CHANNEL 5

CHANNEL 4

CHANNEL 3

CHANNEL 2

INPUT

SOFT

CLIPPING

1 2

83 4 5 6 7

ENGLISH FRANÇAIS ESPAÑOL ITALIANO DEUTSCH NEDERLANDS SVENSKA РУССКИЙ

T977_eng_OM_v04.indd 6 17/04/2012 9:28am

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