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MA CHI NE OPER AT ION
Function Operation of the Panel
Turning master volume control knob on the panel to adjust the volume. Turning clock-
wise slowly, volume gets higher; anti-clockwise, volume gets lower until zero level.
Indicator instruction of the panel
" POWER" Blue power indicator, If this signal light is on, the power source is connected.
" SIN" Green signal indicator ,When input audio source and turn on master volume
control knob, the indicator is gleaming. Turning up the volume, the indicator becomes
more bright,which means the signal output is greater.
"PEAK" Orange topping indicator ,When input audio source exceeds input standard
voltage,turn up the master volume control to the max level and turn on the voltage limita-
tion function. At 100V output of constant voltage, if the indicator lightens, it means the
amplifier is at clip state. It is proposed that the amplifier should not work in clip state for
a long time or it will be easily damaged.
"PROT" Red protection indicator ,When the amplifier is in the protection state of short-
circuit, overloading, overheating or fault, the indicator will lighten and cut off the output
at same time.
Attention: Under condition of overloading or unventilated environment, the amplifier will
get overheating. If the amplifier operates in such kind of state for a long time, to protect the
amplifier and speaker, it will automatically trigger thermal protection circuit and cut off the
output of amplifier or the power. After the temperature inside lowers to normal one, it will
recover automatically.
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