Specifications

ANTENNA B
POWER
MIC OUT LINE OUT ANTENNA A
SHURE INCORPORATED
NILES, IL 60714
BXL4R
group channel
(A-Y) (0-9)
ANTENNA B
POWER
MIC OUT LINE OUT ANTENNA A
SHURE INCORPORATED
NILES, IL 60714
BXL4R
group channel
(A-Y) (0-9)
group channel
(A-Y) (0-9)
group channel
(A-Y) (0-9)
13
Rack-Mounting a Receiver
Use the supplied mounting hardware to install the receiver in a standard 19" audio equipment rack.
Antenna Connection
Diagram
Troubleshooting
Issue Indicator Status Solution
No sound or faint
sound
Receiver RF bars
and battery LED
illuminated
• Verify all sound system connections or adjust gain as needed (see Adjusting Gain)
• Verify that the receiver is connected to mixer/amplifier
Receiver RF bars and
battery LED off
• Turn on transmitter
• Make sure the batteries are installed correctly
• Perform transmitter setup (see Single System Setup)
• Insert fresh batteries
Receiver screen off
• Make sure AC adapter is securely plugged into electrical outlet.
• Make sure receiver is powered on.
Transmitter indicator
LED flashing red
Replace transmitter batteries (see Changing Batteries).
Audio artifacts or
dropouts
Receiver RF bars and
battery LED flickering
• Change receiver and transmitter to a different group and/or channel.
• Identify nearby sources of RF interference, and shutdown or remove source.
• Replace transmitter batteries.
• 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 Audio meter on re-
ceiver indicates over-
load (OL)
Reduce transmitter gain (see Adjusting Gain).
Sound level variations
when switching to dif-
ferent sources
N/A Adjust transmitter gain as necessary (see Adjusting Gain).
Receiver/transmitter
won't turn off
LED indicator flash-
ing rapidly, lock icon
shown on receiver
display
See Locking and Unlocking Controls.
Transmitter beyond
receiver range
Receiver display
dimmed to 50%
Move transmitter closer to receiver