Sony UWP-V1 Operating Instructions Manual page 65

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 65