頁面 15 – MIPRO ACT-71 Wideband Single-Channel True Diversity Receiver User Manual

Page 15

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True Diversity Receivers

24

25

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

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