Fenton SPD Serie Manuel D'instructions page 6

WARNING:
Do not turn the volume at max when use this product at public place just like school, office etc.
After long time using the back panel will be hot, do not touch it by hand.
Note: This unit is supplied (SPD-models) with two wireless microphones in two different
frequencies which can be used simultaneously.
TROUBLE SHOOTING:
Failure
NO POWER
NO SOUND
ONE SPEAKER WITHOUT SOUND Connection between master & slave unit wrong
MICROPHONE NO SOUND
MICROPHONE HOWL
Possible cause
The power line is cut off or not connected
No power on the electric outlet
Wrong input, check input selector (3)
The connect line was broken
The volume knob at lowest
Signal line was broke
The microphone not complete connected
Adjust the microphone volume
Change microphone
The microphone is too close to the speaker
Master volume adjust too big
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