User's Manual

50
1. Overview 2. Installation 3. Setup & Use 4. Troubleshooting
5. Warranty &
Specifications
51
1. Overview 2. Installation 3. Setup & Use 4. Troubleshooting
5. Warranty &
Specifications
ALL PROBLEMS: Most Problems are
related to low battery power.
SOLUTION: Battery Check
• Conrmbatteriesarecharged
each night.
• Conrmproperbatteriesare
used. The REDMIKE VC requires
the Lightspeed BA-NH2A27
rechargeable sensing battery for
proper charging. The LT-71 & HM-
70 require NiMH 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VC/
LT71/ HM70 is operating on the
same channel.
•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 REDMIKE VC.
PROBLEM: No Sound From Speaker
SOLUTION: Follow these steps to
produce sound from speakers.
• TurntheCATAVSystemon.
Confirm that the POWER light
located on the switcher front panel
is on.
• ConrmthatREDMIKEVCis
turned on. There will be a BLUE
LED on the microphone to indicate
it is powered on.
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.
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.
SECTION 4:
TROUBLESHOOTING
COMMON PROBLEMS AND SOLUTIONS
• Speakinanaturalvoice.Anormal
conversational speech level will
provide an adequate signal.
It is not necessary to increase
the intensity of your voice—the
audio system provides adequate
amplification (approximately 5 – 10
dB) above ambient room noises.
• Avoidwearingjewelrythatmayrub
or bump against the microphone.
• TurntheREDMIKEVCoffduring
private conversations with a
student, parent, or other classroom
visitor. You can also cover the LED
lens on top of the REDMIKE VC to
block the signal.
• Rechargebatterieseachnight.
When recharged nightly, operating
time (actual usage) for the
transmitters will last through a
typical school day.
TIPS TO OBTAIN OPTIMUM AUDIO
PERFORMANCE