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3. Transmitter: VHF PCX-V12
Symptom
No AF signal and no
RF signal
No AF signal and no
RF signal
No AF signal but
normal RF signal
Distortion with no AF
peak indication
Noise with low AF
signal and normal RF
signal
Intermittent AF signal
low RF signal
Intermittent AF and
RF signals
Symptom
Distortion on two or
more systems without
Distortion on one or
more systems without
Distortion on one or
more systems without
Distortion on one or
more systems without
AF peak indication
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TROUBLESHOOTING GUIDE
Distance
Possible Cause
any
low transmitter battery
voltage
long
out of range
any
microphone or other
input source
any
low transmitter battery
voltage
any
strong RFI
long
out of range
average
obstructions in signal
path
MULITPLE SYSTEM
Distance
Possible Cause
any
units on same
frequency
transmitter-transmitter
transmitter + transmitter
short
intermod
transmitter-transmitter
transmitter + transmitter
short transmitter-
intermod transmitter +
receiver short
transmitter receiver
intermod
transmitter-receiver
transmitter + transmitter
short
receiver intermod
Possible
Solution
replace battery
move transmitter
closer to receiver or
obstecles
check input source
replace battery
identify source and
eliminate or change
frequency of wireless
microphone system
move transmitter
closer to RCV
remove obstructions
or reposition transmitter
and/or RCV
Action
change frequencies
change frequencies
increase transmitter to
transmitter distance
change frequencies
increase transmitter to
receive distance
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