頁面 15 – MIPRO ACT-71 Wideband Single-Channel True Diversity Receiver User Manual
Page 15
True Diversity Receivers
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True Diversity Receivers
RF Interference
Feedback
Symptom
Solutions
!
Press AutoScan button to locate a clear, interference-free
channel
!
Use preset compatible channels in the same group when
operating multiple systems.
!
Place receivers away or remove the sources of RF
interference like solid metal objects, electronic equipment &
digital devices, dimmers, effect equipment, motors,
!
Avoid operating a frequency on a local TV channel
!
A higher squelch setting improves protection against
interference. (however, resulting in limited range)
!
Turn off one transmitter, if both transmitters are operating on
the same frequency.
!
Fresh batteries in transmitter
!
Turn down the sound system volume
!
Move microphone closer to the performer's mouth
!
Reduce transmitter gain if set too high
!
Position microphone further away from the speakers. Do not
point towards speakers.
!
Use right type of microphone for the specific applications.
Uni/Omni, Supercardioid/Cardioid
!
Power off all unused microphones
TROUBLESHOOTING
Symptom
Solutions
No Sound
!
Power-on receiver & transmitter
!
Receiver is plugged into a power outlet and cable connected
to mixer/amplifier
!
Fresh batteries in transmitter and inserted with correct
polarity
!
Match receiver & transmitter frequency
!
Close proximity between the transmitter and receiver antenna
!
Line-of-sight path between the transmitter and receiver
antenna
!
Reposition the receiver and/or receiver antennas
!
Receiver antennas are connected
!
Elevate receiver antennas as high as possible
!
Keep hands off of the transmitter antenna
!
Close proximity between the transmitter and receiver antenna
!
Adjust antenna orientation
!
Reposition the receiver and/or receiver antennas
!
Receiver antennas are connected
!
Undamaged antennas
!
Fresh batteries in transmitter
!
Adjust for proper squelch level setting
!
Match receiver & transmitter frequency
!
Adjust for proper squelch level setting
!
Reduce transmitter gain, if set too high.
!
Recommendation: set to 0dB (Mic Level)
!
Reduce receiver output setting
!
Proper setting on mixer input gain or integrated amplifier mic
level control
!
Fresh batteries in transmitter
Signal Drop-outs
Limited Range
No RF Signal
Distortion