MIPRO ACT-74 ACT 74(6UA) User Manual

Product codes

ACT 74(6UA)

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