Front panel(3U):
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FRONT PANEL FUNCTION
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Level Control
Potentiometer controls amplifier’s input level, clockwise rotation to increase the volume, whereas
the volume decreases.
Power Switch
After the switch is turned on, POWER lamp is lit and you can hear the "Tap" sound of the relay pull
-in in the machine.
Power Indicator
The power is turned on when indicator is lit.
Protect Indicator
When the machine appears overheating protection of amplifier and transformer, the indicator will
show red. If machine is in protection status for a long time after turning on, the machine is faulty,
please contact your dealer.
Clipping Indicator
When the (yellow) indicator is lit by signal, the output signal has been distorted, indicating that the
input signal is too large, please reduce the input signal.
Signal Indicator
When the (green) indicator is lit, the input signal is normal. When the machine fails or the input si-
gnal is not correct, the (green) light is not on.
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