16
turn down the volume
After the battery has been removed and replaced, confirm that the power LED turns
off
2.2.2. CAUTION on installation
After mounting the IR receiver units, be certain that they are securely fastened
Do not install the IR receiver units or the microphone units near infrared-emitting
objects such as direct sunlight, incandescent lamps, halogen lamps, inverter
fluorescent lamps, or plasma displays
Noise may be generated by interference regardless of the operating distance between
the IR receiver unit away from infrared-emitting objects
Do not place any obstructions around the microphone units
2.2.3 CAUTION on battery charger handling
If the charging terminal is dirty, poor contact will prevent the battery from being
charged properly. Periodically clean the charging terminals
The battery charger may become hot during charging. Use it in a well-ventilated area
After the battery is fully charged, turn off the battery charger or remove the batteries
2.2.4 CAUTION on battery handling (optional)
The battery is dedicated to the microphone unit. Do not use it for other applications
Use only the designated battery charger
If the battery leaks and the liquid contacts your skin or clothing, immediately flush
with clean water
If the battery leaks and the liquid contacts your eyes, immediately wash thoroughly
with clean water and seek medical assistance
Do not throw the battery into fire or overheat it, Doing so may result in a fire
Do not disassemble or modify the battery
Do not short-circuit the + and – terminals with any metal or wire. Do not carry or
store the battery with metal products such as a necklace.
If you discover battery leaks, discoloration, distortion, or the other problems, do not
use the battery
Dispose of used batteries properly as industrial waste or contact our business office in
your neighborhood
2.2.5 CAUTION on handling the AC adapter (option)
If the unit exhibits any problems, such as abnormal sounds and smoke, pull the power
plug from the outlet and contact your sales representative
Do not pull on the cable. Hold the plug and insert/remove it in a straight line.
Damaged cables may result in electric shock, malfunction, or fire
Do not cover the units with cloth. Doing so traps heat and may result in electric shock
or fire
Do not handle the adapter with wet hands
If you do you use the units for long periods of time, disconnect the power plugs from
the outlet
