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18 LES 600 OPERATING INSTRUCTIONS
Please go through this checklist before calling LightSPEED
Technologies Service Department.
Battery Check
• Transmitters are charged via a
jumper cable from the back of
the Amplifier. Make sure plugs
are secured, and in the proper
jacks.
• Confirm the CHARGING light
located on the front panel of the
amplifier is on while charging.
• Be sure Transmitter is turned OFF while charging.
• The batteries used in the Hand-held microphone are also
charged from the Transmitter Charging jack on the back of
the Receiver/Amplifier.
Hearing Static
• Test Transmitter with fully charged batteries. Regular alka-
line batteries may be used for testing purposes.
• Confirm the plug on the microphone cable is firmly seated
into the Transmitter jack.
• If you have access to another mic, try it in your Transmitter.
If it works, your original mic may need to be replaced.
If the system checks out okay, and you still hear some
occasional static or popping, you may be experiencing
radio frequency interference (RFI). If the mic is okay, and
you think it may be interference, confirm that your fre-
quency is not being duplicated by another wireless FM
system within the building. Continued RFI may require
exchanging your system for one with a different frequency.
• Keep Receiver/Amplifier at least 6 ft. away from computers.
Trouble Shooting Guide
Note Most problems
associated with wireless FM
systems are directly related
to low battery power. The
first thing to check is the
batteries.