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3. CONTROL ELEMENTS
3.1 Front Panel
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Power Switch
Turn the unit power on or off.
Clip Led
When the signal distortion reaches or surpasses 0.5%, the Led lights up. This means the output level of signal
source is too high and it is time to reduce input level until clip led turning off.
Output Limiter Led
While the unit is limiting the output signal, the Led lighting up.
Operation and protection Led
In normal operation, the Led is green; If the Led is red, it means the unit is in heat protection, no signal output
at the time and over-heat inside the unit ( ), the temperaturethe surface temperature of power transistor is 110
must be lowered through better ventilation and decrease the signal level etc. After the temperature dropped, the
protection stop and meanwhile the Led turning off with the unit recover normal work.
Power Led
This Led lights up when the unit is powered.
Level Control for Channels1&2
Adjust the output signal level to avoid signal distortion.
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Fan
The fan can accelerate the flow of air to lower the temperature inside unit. The inside temperature determines
the fan speed which controls the inside air flowing speed.
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