MIPRO ACT-311 Single-Channel Diversity Receiver - Manual (Page 15)

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
24 25
Diversity Wireless Systems Diversity Wireless Systems