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62
en | Troubleshooting and FAQ
RE3 UHF
Wireless
20
21.06 | 3 | F.01U.362.808 Installation manual Electro-
Voice
Symptom Possible cause Possible resolution
Transmitter will not
sync to receiver.
Transmitter and receiver
may not be in the same
frequency band.
Ensure transmitter is the same
frequency band as the receiver.
Obstructed sync port or
sync emitter.
Ensure that the receiver sync
emitter and transmitter sync port
are not obstructed and clear of
debris. Clear obstruction or debris
if required.
Direct line of sight between
sync emitter and sync port
is obstructed.
Ensure clear line of sight between
receiver sync emitter and the
transmitter sync port. Aim port
directly at emitter.
Transmitter sync port out of
range with receiver sync
emitter.
Maintain recommended range of 2-
12 inches between receiver sync
emitter and the transmitter sync
port.
Receiver display
shows NoSYNC.
Synced transmitter is either
off or has not been synced.
Turn on synced transmitter. If not
synced, follow sync process.
Receiver display
shows mute.
Synced transmitter is in
mute.
Unmute transmitter when
necessary.
Sound system input
not receiving high
enough signal.
Receiver audio output level
too low.
Use receiver up arrow button to
adjust output gain to desired level
for sound system input.
Sound system input
receiving too much
gain.
Receiver audio output level
too high.
Use receiver down arrow button to
adjust output gain to desired level
for sound system input.
11.2 Frequently Asked Questions
Q – Why was my system working fine at sound check, then suddenly it started getting
interference during the performance?
A – Using RF wireless can be quite tricky. Sources of competitive RF are everywhere, and
they can appear unpredictably. A competing RF signal that wasn’t present during your
sound check probably went active during the show. This could be another member of the
wireless microphone community in the venue that was off during sound check – possibly
another performer’s wireless rig was turned on during your show, and now is interfering
with your system. The source could also be a computer (CPU) positioned near the receiver
or antennas that wasn’t on earlier. It could even be as pesky as a cell phone near either the
transmitter or receiver, which while not being used for a call, is sending GPS signals
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