Denso BHT-805BW Operator's Manual page 8

Handling the battery cartridge
Never charge a wet or damp rechargeable battery cartridge.
Doing so could cause the batteries to break, generate heat, rupture
or burn.
Handling the BHT
If smoke, abnormal odors or noises come from the BHT, immediately
turn off the power, pull out the battery cartridge, and contact your
nearest dealer.
Failure to do so could cause smoke or fire.
If foreign material or water gets into the BHT, immediately turn off the
power, pull out the battery cartridge, and contact your nearest dealer.
Failure to do so could cause smoke or fire.
If you drop the BHT so as to damage its housing, immediately turn off
the power, pull out the battery cartridge, and contact your nearest
dealer.
Failure to do so could cause smoke or fire.
Do not use batteries or power sources other than the specified ones;
doing so could generate heat or cause malfunction.
When using the hand strap or neck strap, exercise due care to avoid
getting them caught in other objects or entangled in rotating
machinery.
Failure to do so could result in accident or injury.
Never disassemble or modify the BHT; doing so could result in an
accident such as breakage or fire.
Never
disas-
sembly
Never put the BHT in places where there are excessively high
temperatures, such as inside closed-up automobiles, or in places
exposed to direct sunlight.
Doing so could affect the housing or parts, resulting in a fire.
Avoid using the BHT in extremely humid or dusty areas, or where
there are drastic temperature changes.
Moisture or dust will get into the BHT, resulting in malfunction, fire or
electrical shock.
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