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SECTION 4:
TROUBLESHOOTING
COMMON PROBLEMS AND SOLUTIONS
Note: Most problems are directly related to low battery power. Please run
through the "Battery Check" items first. For remaining troubleshooting, use
known good, fully-charged batteries.
ALL PROBLEMS: Most Problems are
related to low battery power.
SOLUTION: Battery Check
• Confirm batteries are charged
each night.
• Confirm proper batteries are
used. The REDMIKE requires
the Lightspeed BA-NH2A27
rechargeable sensing battery for
proper charging. The REDMIKE
Share uses the BA-NH2APK
rechargeable battery pack. The
LT-71 requires two BA-NH1 AA
rechargeable batteries.
• Make sure the microphones are
turned off while charging so a full
charge is attained. Full charge will
last eight hours.
• Inspect the battery contacts. Clean
and adjust if necessary.
PROBLEM: Hearing Static
SOLUTION: Follow these steps to
eliminate static.
• Ensure sensor is in optimum
location (refer to sensor placement
in manual). A single sensor will
cover a 1600 sq. ft. enclosed
classroom.
• Ensure that no other REDMIKE/LT-
71/REDMIKE Share is operating on
the same channel.
If you review these instructions and still have questions, write down the
serial number and model number of your system and call Lightspeed
Technical Services at 800.732.8999, 5 a.m. – 5 p.m., PST.
40
• If the optional iR media connection
is in use, set the microphone to
Channel A.
PROBLEM: Low Volume or Feedback
SOLUTION: Follow these steps to
eliminate low volume or feedback.
• Ensure microphone is positioned
appropriately, just below the collar
bone.
• Check volume level on the
amplifier. If the volume is too
high, feedback will occur. Adjust
accordingly.
• Adjust the volume level on the
back of the optional REDMIKE VC.
PROBLEM: No Sound From Speaker
SOLUTION: Follow these steps to
produce sound from speakers.
• Turn the CAT 885 on. Confirm that
the POWER light located on the
front panel switch is on.
• Confirm signal is being received at
the CAT 885. The IR signal light will
be RED indicating a signal is being
received.
• Confirm that REDMIKE is turned
on. There will be a BLUE LED on
the microphone to indicate it is
powered on.
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