Solution
Indicator Status
Issue
Adjust transmitter gain as necessary (see Gain Adjustment).
N/A
Sound level variations when switching to
different sources
Controls locked. See Locking and Unlocking Controls.
Transmitter LED
flashing rapidly
Receiver/transmitter won't turn off
Check transmitter. Transmitter must be on to enable gain changes.
N/A
Receiver gain control cannot be adjusted
Controls locked. See Locking and Unlocking Controls.
LK
shown on receiver
display when buttons
are pressed
Receiver controls cannot be adjusted
Controls locked. See Locking and Unlocking Controls.
Transmitter LED
flashes green three
times
Transmitter ID function does not respond
Linked transmitter is off or the receiver is not linked to a transmitter.
N/A
Transmitter information does not appear on
the Receiver LCD
GLX-D transmitters automatically turn off after one hour to conserve battery life if the
signal from a linked receiver is not detected. Make sure that linked receiver is turned on.
Transmitter status LED
off
Transmitter powers off after one hour
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.
Data sync LED off
Second frequency manager does not send
RF signal to receivers
Move system away from other 2.4 GHz sources such as Wi-Fi access points or computers.
If using directional antennas, place interference sources behind antennas in the null to
minimize interference. Place receivers or directional antennas closer to transmitters.
Receiver screen
flashes
-- --
RF interference while connected to frequency
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
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 re-
ceiver to relink.
Specifications
Tuning Bandwidth
2400–2483.5 MHz
Working Range
Up to 30 m (100 ft) typical,
Up to 60 m (200 ft) maximum
Indoor
Up to 20 m (65 ft) typical, Up
to 50 m (165 ft) maximum
Outdoor
0
Transmit Mode
Shure GLX-D proprietary digital
Audio Frequency Response
20 Hz – 20 kHz
1
Dynamic Range
120 dB, A-weighted
0
Note: Actual range depends on RF signal absorption, reflection and interference.
1
Note: Dependent on microphone type
Shure Incorporated
GLXD4R
Half-Rack Wireless Receiver
17/20
2017/11/28
