TOA Electronics WM-4220 - Manual

Please follow the instructions in this manual to obtain the optimum results from this unit.
We also recommend that you keep this manual handy for future reference.
WM-4210
WM-4220 UHF WIRELESS MICROPHONE
OPERATING INSTRUCTIONS
• To prevent the electromagnetic wave from badly
influencing medical equipment, make sure to
switch off the unit's power when placing it in close
proximity to the medical equipment.
• When the unit is not in use for 10 days or more, be
sure to take the battery out of the unit because
battery leakage may cause personal injury or
contamination of environment.
• Make sure to observe the following handling
precautions so that a fire or personal injury does
not result from leakage or explosion of the battery.
· Do not short, disassemble, heat nor put the
battery into a fire.
· Never charge batteries of the type which are not
rechargeable.
· Do not solder a battery directly.
· Be sure to use the specified type of battery.
· Note correct polarity (positive and negative
orientation) when inserting a battery in the unit.
· Avoid locations exposed to the direct sunlight,
high temperature and high humidity when storing
batteries.
WARNING
1. SAFETY PRECAUTIONS
• Be sure to read the instructions in this section carefully before use.
• Make sure to observe the instructions in this manual as the conventions of safety symbols and messages
regarded as very important precautions are included.
• We also recommend you keep this instruction manual handy for future reference.
Safety Symbol and Message Conventions
Safety symbols and messages described below are used in this manual to prevent bodily injury and property
damage which could result from mishandling. Before operating your product, read this manual first and
understand the safety symbols and messages so you are thoroughly aware of the potential safety hazards.
Indicates a potentially hazardous situation which, if mishandled, could result in
death or serious personal injury.
Indicates a potentially hazardous situation which, if mishandled, could result in
moderate or minor personal injury, and/or property damage.
WARNING
CAUTION
CAUTION