Troubleshooting - Shure GLX-D4 Guia Del Usuario

Troubleshooting

Issue
No sound or faint sound
Audio artifacts or dropouts
Distortion
Transmitter and receiver link unsuccessful
Sound level variations when switching to different
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 sec-
onds of powering-on to complete the link.
12
Indicator Status
Receiver RF LED on
Receiver RF LED off
Receiver LCD screen off
Transmitter indicator LED
flashing red
Transmitter plugged into
charger.
rf LED flickering or off
OL indicator appears on re-
ceiver LCD
Transmitter and receiver LEDs
flash to indicate that linking
started, but the link fails
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
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.
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 ac-
cess points, signal processor, etc...) and shutdown or remove
source.
• Charge or change transmitter battery.
• Ensure that receiver and transmitter are positioned within sys-
tem parameters.
• System must be set up within recommended range and re-
ceiver kept away from metallic surfaces.
• Transmitter must be used in line of sight from receiver for op-
timal sound.
Reduce transmitter gain (see Gain Adjustment).
Update both components to firmware version 2.0 or greater.
Download the Shure Update Utility application and follow the
instructions.
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 con-
serve battery life if the signal from a linked receiver is not de-
tected. Make sure that linked receiver is turned on.