Clear-Com PTX-3 - Manual (Page 22)

Vitec Group Communications
PTX-3 UHF Digital Hybrid IFB Transmitter
1 - 1 6
SYMPTOM POSSIBLE CAUSE
Display Dead
1. External power supply
disconnected or inadequate.
2. The External DC power input is
protected by an auto-reset
polyfuse. Disconnect power and
wait about 1 minute for the fuse to
reset.
No Transmitter Modulation
1. Audio input gain setting turned all
the way down.
2. Sound source off or malfunctioning.
3. Input cable damaged or miswired.
No Received Signal
1. Transmitter not turned on.
2. Receiver antenna missing or
improperly positioned (the PRC-2
headset cable is the antenna).
3. Transmitter and receiver not on
same frequency. Check on
transmitter and receiver.
4. Operating range is too great.
5. Transmitter antenna not
connected.
6. Transmitter switch in the TUNE
position. Switch to XMIT mode.
No Sound (or Low Sound
Level); and Receiver is
powered on
1. Receiver output level set too low.
2. Receiver earphone cable is
defective or miswired.
3. Sound system or transmitter input
is turned down.
Distorted Sound
1. Transmitter gain (audio level) is far
too high. Check audio level meter
on transmitter as it is being used
(refer to Installation & Operation
section for details on gain
adjustment).
2. Receiver output may be
mismatched with the headset or
earphone. Adjust output level on
receiver to the correct level for the
headset or earphone.
3. Excessive wind noise or breath
“pops”. Reposition microphone
and/or use a larger windscreen.