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3. Transmitter: VHF PCX-V12
Symptom
No AF signal and no
any
RF signal
No AF signal and no
long
RF signal
No AF signal but
any
normal RF signal
Distortion with no AF
any
peak indication
Noise with low AF
any
signal and normal RF
signal
Intermittent AF signal
long
low RF signal
Intermittent AF and
average
RF signals
Symptom
Distortion on two or
any
more systems without
Distortion on one or
transmitter-transmitter
more systems without
short
Distortion on one or
transmitter-transmitter
more systems without
short transmitter-
receiver short
Distortion on one or
transmitter-receiver
more systems without
short
AF peak indication
22
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TROUBLESHOOTING GUIDE
Distance
Possible Cause
low transmitter battery
voltage
out of range
microphone or other
input source
low transmitter battery
voltage
strong RFI
out of range
obstructions in signal
path
MULITPLE SYSTEM
Distance
Possible Cause
units on same
frequency
transmitter + transmitter
intermod
transmitter + transmitter
intermod transmitter +
transmitter receiver
intermod
transmitter + transmitter
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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