Shure Incorporated
20/38
Issue Indicator Status Solution
Transmitter must be used in line of sight
from receiver for optimal sound.
Distortion
OL indicator appears on
receiver display
Reduce transmitter gain.
Transmitter and receiver link unsuccessful
Transmitter and receiver
LEDs flash to indicate
that linking started, but
the link fails
Update both components to the latest
firmware version.
Sound level variations when switching to dif
ferent sources
N/A Adjust transmitter gain as necessary.
Receiver/transmitter won't turn off
Transmitter LED flash
ing rapidly
Controls locked.
Receiver gain control cannot be adjusted N/A
Check transmitter. Transmitter must be on to
enable gain changes.
Receiver controls cannot be adjusted
LK shown on receiver
display when buttons
are pressed
Controls locked.
Transmitter ID function does not respond
Transmitter LED flashes
green 3 times
Controls locked.
Transmitter information does not appear on
the receiver display
N/A
Linked transmitter is off or the receiver is not
linked to a transmitter.
Transmitter powers off after 1 hour
Transmitter status LED
off
Transmitters automatically power-off after 1
hour to conserve battery life if the signal
from a linked receiver is not detected. Make
sure that linked receiver is turned on.
Accessories
Cable, Instrument, 2.5 foot (.75 m), 4 Pin Mini Connector (TA4F) to 1/4inch Connec
tor.
WA302
Cable, Instrument, 2-foot (0.7m), 4-pin Mini Connector (TA4F) with Right-Angle 1/4-
inch Connector, used with Shure Wireless Bodypack Transmitters
WA304
Shure Rechargeable Battery SB904
USB-C Battery Charger SBC10-USBC
Premium Guitar Cable TQG Threaded Connector WA305
Power Supply PS24
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