CHANFUL VOICE TECHNIC CO. LTD. WR930D User Manual
9
NOTICE
1. These products follow the relevant regulations set by NCC, Taiwan & FCC, The U.S.A.
2. It is possible to cause interference between different RF in UHF system.
3. Do not point microphone head direct to speaker to avoid loud hissing noise which may
2. It is possible to cause interference between different RF in UHF system.
3. Do not point microphone head direct to speaker to avoid loud hissing noise which may
cause damage to your hearing or the loudspeakers of the system.
4. Do not use external force to damage products for a longer lifetime.
5. Do not place or storage products in the environment of high humidity and temperature
5. Do not place or storage products in the environment of high humidity and temperature
for a long time.
6. Please remove batteries for protection of the transmitters when not using transmitters in
a long time.
7. Do not take the products apart to repair by yourself if any problem occurs.
Solution for frequent as
ked problem
Problem
Possible cause
Possible solution
No RF signal
Microphone and receiver are
not on the same channel.
not on the same channel.
Set the microphone to the same
channel as the receiver
channel as the receiver
Microphone is out of range.
Check the squelch threshold setting
Shorten the distance between
microphone and receiving antenna
microphone and receiving antenna
Microphone or receiver turns
off.
off.
Ensure the correct polarity and turn
on the switches.
on the switches.
Microphone is out of battery.
Replace new batteries.
Disconnection
to a certain
channel or noise
to a certain
channel or noise
Signal interference from the
environment
environment
Reposition the antennas
Reset ”SQ”
Set the microphone and receiver to
another channel
another channel
TROUBLESHOOTING