User's Manual

Shure Incorporated
14/21
Locking and Unlocking Controls
Locking the system controls prevents accidental muting or channel adjustment during performances.
Transmitter
To lock the controls: With the transmitter off, hold the power button down until the green LED flashes (~5 sec-
onds)
To unlock the controls: With the transmitter on, hold the power button down until the green LED flashes (~5 sec-
onds)
Receiver
To lock the channel: Hold the channel button until the numbers flash (~10 seconds)
To unlock the channel: Hold the channel button until the numbers flash (~5 seconds)
Troubleshooting
Issue Indicator Status Solution
No sound or faint sound Receiver ready LED on Verify all sound system connec-
tions
Receiver ready LED off • Turn on transmitter
• Make sure the batteries are in-
stalled correctly
• Perform automatic transmitter
setup
• Insert fresh batteries
Receiver LED screen off Make sure AC adapter is securely
plugged into electrical outlet
Transmitter indicator LED flashing
red
Replace transmitter batteries
LED screen shows dash and value Error code displayed. Contact your
Shure reseller for assistance.
Transmitter LED flashes red for 7
seconds after attempting to sync
Transmitter and receiver incompat-
ible. Contact your Shure reseller
for assistance.