Troubleshooting; Resetting Components; Resetting The Receiver - Shure GLX-D User Manual

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 one hour
Second frequency manager does not send
RF signal to receivers
RF interference while connected to frequen-
cy manager

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
Indicator Status Solution
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 section).
• Charge or change transmitter battery.
Receiver LCD screen • Make sure AC adapter is securely plugged into electrical outlet.
off • Make sure receiver is powered on.
Transmitter indicator Charge or change transmitter battery.
LED flashing red
Transmitter plugged Disconnect transmitter from charger.
into charger.
RF LED flickering • Change receiver and transmitter to a different group and/or channel.
or off • Identify nearby sources of interference (cell phones, Wi-Fi access points,
signal processor, etc.) and shut down 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.
OL indicator appears Reduce transmitter gain (see Gain Adjustment).
on receiver LCD
Transmitter and re- Update both components to firmware version 2.0 or greater. Download the
ceiver LEDs flash to Shure Update Utility application and follow the instructions.
indicate that linking
started, but the link
fails
N/A Adjust transmitter gain as necessary (see Gain Adjustment).
Transmitter LED Controls locked. See Locking and Unlocking Controls.
flashing rapidly
N/A Check transmitter. Transmitter must be on to enable gain changes.
LK shown on receiver Controls locked. See Locking and Unlocking Controls.
display when buttons
are pressed
Transmitter LED Controls locked. See Locking and Unlocking Controls.
flashes green three
times
N/A Linked transmitter is off or the receiver is not linked to a transmitter.
Transmitter status GLX-D transmitters automatically turn off after one hour to conserve battery
LED off life if the signal from a linked receiver is not detected. Make sure that linked
receiver is turned on.
Data sync LED off Verify that antenna A and antenna B ports on second frequency manager are
connected to cascade A and cascade B ports on first frequency manager.
Receiver screen Move system away from other 2.4 GHz sources such as Wi-Fi access points
flashes -- -- or computers. If using directional antennas, place interference sources behind
antennas in the null to minimize interference. Place receivers or directional an-
tennas closer to transmitters.
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 link-
ing to search for a transmitter. Press and hold the transmitter link button
within five seconds of powering-on to complete the link.
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