7
The on air
indicator does
not light up
The wireless microphone is not
turned on.
Turn on the wireless microphone
The microphone receiver is not
turned on.
Turn on the microphone receiver
and the connected audio equipment
The microphone receiver is not
connected properly.
No sound
The battery in the wireless
microphone is weak.
Replace the battery.
The microphone receiver is not
turned on.
Turn on the microphone receiver
and the connected audio equipment.
The connected audio equipment is
not turned on.
Turn on the audio equipment.
The speakers/headphones. are not
connected to the audio equipment.
Connect the speakers/
headphones
The sound is
distorted
The battery in the wireless
microphone is weak.
Replace the battery.
The AUDIO OUT on the receiver
is not set correctly.
A howling noise
heard from the
speakers.
The distance between the wireless
microphone and speakers are too
close.
Move the wireless microphone
away from the speakers or
change the direction of the
microphone.
The battery in the wireless
microphone is weak
Replace the battery.
Adjust the volume controls.
Turn on the microphone receiver
and the connected audio equipment
VOLUME
CHANNEL 1
RF
AF LEVEL
POWER
CHANNEL 2
RF
AF LEVEL
CHANNEL 3
RF
AF LEVEL
CHANNEL 4
RF
AF LEVEL
VOLUME
VOLUME
VOLUME
P
D
W
M
4
4
0
0
PDWM4400 VHF PROFESSIONAL FOUR CHANNEL WIRELESS MICROPHONE SYSTEM
P
D
W
M
4
4
0
0
P
D
W
M
4
4
0
0
P
D
W
M
4
4
0
0
