Shure BLX188 Headphones User Manual


 
7
Troubleshooting
Issue IndicatorStatus Solution
No sound or faint sound Receiver ready 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 ready LED off
• Turn on transmitter
• Make sure the batteries are installed correctly
• Perform transmitter setup (see Single System
Setup)
• Insert fresh batteries
Receiver LED screen off
• Make sure DC 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 Ready LED flickering or off
• 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 re-
ceiver for optimal sound
Distortion Audio LED on receiver indi-
cates overload (red)
Reduce transmitter gain (see Adjusting Gain).
Sound level variations when
switching to different sources
N/A Adjust transmitter gain as necessary (see Adjusting
Gain).
Receiver/transmitter won't
turn off
LED/display flashing rapidly See Locking and Unlocking Controls.
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