Troubleshooting
Issue
No sound or faint sound
Audio artifacts or dropouts
Distortion
Transmitter and receiver link unsuccessful
Indicator Status
Solution
Verify all sound system connections or ad
just gain as needed (see Adjusting Gain).
Receiver RF LED on
Verify that the receiver is connected to mix
er/amplifier.
Turn on transmitter.
Make sure the batteries are installed correct
ly.
Receiver RF LED off
Link transmitter and receiver (see Linking
topic).
Charge or change transmitter battery.
Make sure AC adapter is securely plugged
Receiver LCD screen
into electrical outlet.
off
Make sure receiver is powered on.
Transmitter indicator
Charge or change transmitter battery.
LED flashing red
Transmitter plugged
Disconnect transmitter from charger.
into charger.
Change receiver and transmitter to a differ
ent group and/or channel.
Identify nearby sources of interference (cell
phones, WiFi access points, signal proces
sor, etc...) and shutdown or remove source.
Charge or change transmitter battery.
rf LED flickering or off
Ensure that receiver and transmitter are po
sitioned within system parameters.
System must be set up within recommended
range and receiver kept away from metallic
surfaces.
Transmitter must be used in line of sight
from receiver for optimal sound.
OL indicator appears on
Reduce transmitter gain (see Gain Adjust
receiver LCD
ment).
Transmitter and receiver
Update both components to firmware ver
LEDs flash to indicate
sion 2.0 or greater. Download the Shure Up
that linking started, but
date Utility application and follow the instruc
the link fails
tions.
Shure Incorporated
26/33