MIC
1 with the first priority over other inputs,
the adjustment should be kept within 0-30db
with the mute connector, 30db is the original
setting.
MUTE FUNCTION
OPERATION ATTENTION
The four output connectors only can choose two
connectors work together. If voltage is 70V/100V,
the speakers must be with transformer and make
sure the total power wattage of speaker is 15%
less than the power wattage of amplifier.
GUIDANCE OF EXCLUDING ERRORS
6. MACHINE OPERATION
11
1 Machine is in protection
condition in case of high
temperature
2 Wrong wire connection
No voice output in
normal condition
All the wires are
connected well
but no voice output
Cause
1 No power or wrong
plug connection
2 Fuse is burned
3 Volume is town off
4 No input signal
Power on but ala-
rming signal
1 Overloading or short
circuit
2 Voltage is not stable,
too high or low
Phenomena
