Shure BLX Series User Manual

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 Replace transmitter batteries (see Changing
flashing red
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· Reduce transmitter gain (see Adjusting Gain).
cates overload (red)
Sound level variations when N/A
Adjust transmitter gain as necessary (see Adjusting
switching to different sources
Gain).
Receiver/transmitter won't LED/display flashing rapidly See Locking and Unlocking Controls.
turn off
7

Shure BLX Series Specifications

General

Transmitter Type	Handheld, Bodypack
Frequency Response	50 Hz to 15 kHz
Operating Range	Up to 300 ft (91 m)
Transmitter Battery Life	Up to 14 hours
RF Output Power	10 mW
System Type	Wireless
Operating Frequency	Varies by region (512-542 MHz, 542-572 MHz, 572-602 MHz, 606-636 MHz, 662-692 MHz, 694-703 MHz, 740-752 MHz, 823-832 MHz, 863-865 MHz)
Receiver Output Connectors	XLR
Modulation	FM
Power Source	AA batteries (transmitter), DC power supply (receiver)
Dimensions (Transmitter)	Varies by model
Weight (Transmitter)	Varies by model
Dimensions (Receiver)	Varies by model
Weight (Receiver)	Varies by model
Audio Output Impedance	50 ohms