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8
FRONT PANEL
THERMAL
– overheating alarm LED.
Brightness depends on the temperature of the heat sink
(See:
Thermal Protection
).
POWER
LED.
When the DC output protection system becomes active it goes off irrespective of
electric power applied to the amplifier.
CLIP
- overload alarm LEDs for Channels 1, 2, 3 and 4, respectively.
They indicate
– overload condition causing distortion and activation of the optoelectronic
Clip-limiter of the respective channel;
– activation of thermal protection system which disables the respective
channel (the SIGNAL LED goes off). (See:
Thermal Protection
).
SIGNAL
LEDs indicating output signal on Channels 1, 2, 3 and 4, respectively.
LEVEL
- input (sensitivity) level attenuators for Channels 4, 3, 2 and 1,
respectively.
POWER
switch.