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Troubleshooting – Shure AXS31 User Manual

Page 6

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English

6

TROUBLESHOOTING

PROBLEM

INDICATOR STATUS

TRANS-
MITTER

AXR3 RECEIVER

AXR4N RECEIVER

= on

= flickers on loud peaks

SOLUTIONS

POWER

ANTENNA

AUDIO

PEAK

POWER

RF

PEAK

A

B

ON

POWER

LOW BATT

TRANSMITTER

Slide transmitter POWER switch to ON.

Make sure battery is inserted properly (+/– battery terminals must
match transmitter terminals).

Insert fresh battery.

POWER

ANTENNA

AUDIO

PEAK

POWER

RF

PEAK

A

B

ON

POWER

LOW BATT

TRANSMITTER

Make sure AC adapter is securely plugged into electrical outlet
and into DC input connector on rear panel of receiver.

Make sure AC electrical outlet works and supplies proper
voltage.

No sound.

POWER

ANTENNA

AUDIO

PEAK

POWER

RF

PEAK

A

B

ON

POWER

LOW BATT

TRANSMITTER

Slide transmitter MUTE switch to ON.

POWER

ANTENNA

AUDIO

PEAK

POWER

RF

PEAK

A

B

ON

POWER

LOW BATT

TRANSMITTER

Extend antenna(s).

AXR4N receiver antennas should point away

from each other at a 45

°

angle from vertical;

AXR3 receiver

antenna should remain vertical. See Figure 8.

Move receiver away from nearby metal objects.

Remove obstructions and maintain line of sight between
transmitter and receiver.

Move transmitter closer to receiver.

No sound or faint

POWER

ANTENNA

AUDIO

PEAK

POWER

RF

PEAK

A

B

ON

POWER

LOW BATT

TRANSMITTER

Increase transmitter gain until Transmitter Audio Peak light flashes
on loud peaks.

Turn up receiver volume control as necessary.

No sound or faint
sound.

POWER

ANTENNA

AUDIO

PEAK

POWER

RF

PEAK

A

B

ON

POWER

LOW BATT

TRANSMITTER

Turn up receiver volume control.

Check cable connection between receiver and amplifier or mixer.

Sound level from the
receiver is different
from that of a cabled
guitar or microphone.

Adjust transmitter gain as necessary.

Adjust receiver volume as necessary.

Sound level is different
when you change
guitars.

Adjust transmitter gain to compensate for differences between
guitar output levels.

Distortion increases
gradually.

POWER

LOW BATT

Replace transmitter battery.

Bursts of noise,
distortion, or other radio
signals interrupt
performance.

ANTENNA

RF

A

B

POWER

LOW BATT

If noise occurs when transmitter is turned off, remove or turn off
nearby sources of RF (such as other wireless systems, CB radios,
etc.).

Use a wireless system that operates on a different frequency.

Momentary loss of
sound as transmitter is
moved around
performing area
(dropouts).

ANTENNA

RF

A

B

POWER

LOW BATT

Reposition receiver and perform walk-through test. If audio
dropouts persist, mark “dead” spots and avoid them during
performance.

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