Manual NAD T977 (page 5 of 66) (English, German, Dutch, French, Italian, Swedish, Spanish)

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1 STANDBY BUTTON

· Press this button to switch ON the T 977. The Standby LED indicator

will turn from amber to blue.

· Pressing the STANDBY button again turns the unit back to standby

mode.

IMPORTANT NOTICES

· For the STANDBY button to activate, plug-in the supplied mains power

cord to a mains power source. Before connecting the plug to the mains

powers source, connect rmly rst the other end to T 977’s AC Mains

input socket.

· The preamplier or controller connected to the T 977 should be switched

ON rst before powering up the T 977.

2 STANDBY LED

· This indicator will light up amber when the T 977 is at standby

mode.

· When T 977 is powered up from standby mode, this indicator will

illuminate blue.

3 SOFT CLIPPING INDICATOR

· This indicator is illuminated blue if the rear panel SOFT CLIPPING

switch is set to ON position.

· Refer also to the item below about SOFT CLIPPING at the

IDENTIFICATION OF CONTROLS – REAR PANEL.

4 CHANNEL STATUS LED

· These LEDs indicate the status of each of the seven channels of

the T 977. When the T 977 is switched ON from standby mode, the

Channel Status LEDs will initially turn red and then eventually turn

blue.

· When the T 977 goes to standby mode via the front panel Standby

button or via the rear panel trigger source, the Channel Status LEDs

will light up red and then fade out.

· The Channel Status LEDs will turn red when one or more of the

internal seven ampliers go to protect mode. The other ampliers

that did not go to protect mode will continue to function as

indicated by their respective illuminated blue LEDs.

PROTECT MODE

If one or more Channel Status LEDs turn red, this indicates that the

protection circuitry of the T 977 had been engaged. Immediately press the

Standby button and then unplug the mains power cord from the mains

power source. Check if all speaker wires are connected correctly and that

none of the wires are damaged, causing a short circuit. Another cause may

be excessive heat build-up inside the amplier. Make sure there is adequate

ventilation around the amplier and that none of its ventilation slots, top

or bottom are blocked. After the amplier has cooled down, it will function

normally again. In case one or more of the Channel Status LEDs remained

illuminated in red despite the checks mentioned above, immediately press

the Standby button and then unplug the mains power cord from the mains

power source. Have the unit inspected by a qualied service technician

before attempting to use it again.

IDENTIFICATION OF CONTROLS

FRONT PANEL

SOFT

CLIPPING CH 1 CH 2 CH 3 CH 4 CH 5 CH 6 CH 7

Seven Channel Power Amplifier T 977

1 2 3 4

ENGLISHFRANÇAISESPAÑOLITALIANODEUTSCHNEDERLANDSSVENSKAРУССКИЙ

T977_eng_OM_v04.indd 5 17/04/2012 9:28am

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NAD T977 Manual

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