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Troubleshooting
Issue Indicator Status Solution
No sound or faint sound
Receiver RF LED on
• Verify all sound system connections or adjust gain as needed (see Adjusting
Gain).
• Verify that the receiver is connected to mixer/amplifier.
Receiver RF LED off
• Turn on transmitter.
• Make sure the batteries are installed correctly.
• Link transmitter and receiver (see Linking topic).
• Charge or change transmitter battery.
Receiver LCD screen
off
• Make sure AC adapter is securely plugged into electrical outlet.
• Make sure receiver is powered on.
Transmitter indicator
LED flashing red
Charge or change transmitter battery.
Transmitter plugged
into charger.
Disconnect transmitter from charger.
Audio artifacts or dropouts
rf LED flickering
or off
• Change receiver and transmitter to a different group and/or channel.
• Identify nearby sources of interference (cell phones, Wi-Fi access points,
signal processor, etc...) and shutdown or remove source.
• Charge or change transmitter battery.
• Ensure that receiver and transmitter are positioned 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.
Distortion OL indicator appears
on receiver LCD
Reduce transmitter gain (see Gain Adjustment).
Sound level variations when switching to dif-
ferent sources
N/A Adjust transmitter gain as necessary (see Gain Adjustment).
Receiver/transmitter won't turn off Transmitter LED
flashing rapidly
Controls locked. See Locking and Unlocking Controls.
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. See Locking and Unlocking Controls.
Transmitter ID function does not respond Transmitter LED
flashes green 3 times
Controls locked. See Locking and Unlocking Controls.
Transmitter information does not appear on
the Receiver LCD
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
GLX-D 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.
Resetting Components
Use the reset function if it is necessary to restore the transmitter or receiver to their factory settings.
Resetting the Receiver
Restores the receiver to the following factory settings:
• Gain level = default
• Controls = unlocked
Press and hold the link button while turning on the receiver power until
the LCD displays RE.
Note: When reset is complete, the receiver will automatically initiate linking to search
for a transmitter. Press and hold the transmitter link button within five seconds of
powering-on to complete the link.
Resetting the Transmitter
Restores the transmitter to the following factory settings:
• Controls = unlocked
Press and hold the transmitter link button while turning on the transmitter
until power LED goes off.
When the link button is released, the transmitter will automatically initiate
linking to find an available receiver. Press the link button on an available
receiver to relink.