Shure GLX-D Guide De L'utilisateur page 10

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Troubleshooting
Issue
No sound or faint sound
Audio artifacts or dropouts
Distortion
Sound level variations when switching to dif-
ferent sources
Receiver/transmitter won't turn off
Receiver gain control cannot be adjusted
Receiver controls cannot be adjusted
Transmitter ID function does not respond
Transmitter information does not appear on
the Receiver LCD
Transmitter powers off after 1 hour
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.
10
Indicator Status
Receiver RF LED on
Receiver RF LED off
Receiver LCD screen off
Transmitter indicator LED flash-
ing red
Transmitter plugged into
charger.
rf LED flickering or off
OL indicator appears on re-
ceiver LCD
N/A
Transmitter LED flashing rapidly
N/A
LK shown on receiver display
when buttons are pressed
Transmitter LED flashes green
3 times
N/A
Transmitter status LED off
Resetting the Transmitter
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.
Solution
• Verify all sound system connections or adjust gain as needed (see
Adjusting Gain).
• Verify that the receiver is connected to mixer/amplifier.
• Turn on transmitter.
• Make sure the batteries are installed correctly.
• Link transmitter and receiver (see Linking topic).
• Charge or change transmitter battery.
• Make sure AC adapter is securely plugged into electrical outlet.
• Make sure receiver is powered on.
Charge or change transmitter battery.
Disconnect transmitter from charger.
• 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.
Reduce transmitter gain (see Gain Adjustment).
Adjust transmitter gain as necessary (see Gain Adjustment).
Controls locked. See Locking and Unlocking Controls.
Check transmitter. Transmitter must be on to enable gain changes.
Controls locked. See Locking and Unlocking Controls.
Controls locked. See Locking and Unlocking Controls.
Linked transmitter is off or the receiver is not linked to a transmitter.
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.
Restores the transmitter to the following factory settings:
• Controls = unlocked

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