Sony UWPV6/4244 Operating Instructions Manual page 57

Symptom
The RF indications
on the tuner
appear (the RF
indicator lights up)
even when the
transmitter is off.
1) Body-pack transmitter (UTX-B2)/hand-held microphone (UTX-H2)/plug-on transmitter (UTX-P1)/
portable diversity tuner (URX-P2) only
2) Body-pack transmitter (UTX-B2) only
3) Portable diversity tuner (URX-P2) only
4) Body-pack transmitter (UTX-B2)/plug-on transmitter (UTX-P1) only
Meanings
Jamming radio waves are
being received.
Remedy
Locate the channel group that is
unaffected by jamming radio waves
and use that channel group.
Troubleshooting 57