Sokkia 30R Series Operator's Manual page 11

Power Supply
Warning
Do not use voltage other than the specified power supply voltage. Fire or
electrical shock could result.
Do not use damaged power cords, plugs or loose outlets. Fire or electric
shock could result.
Do not use power cords other than those designated. Fire could result.
Do not place articles such as clothing on the battery charger while charging
batteries. Sparks could be induced, leading to fire.
Use only the specified battery charger to recharge batteries. Other
chargers may be of different voltage rating or polarity, causing sparking
which could lead to fire or burns.
Do not heat or throw batteries into fire. An explosion could occur, resulting
in injury.
To prevent shorting of the battery in storage, apply insulating tape or
equivalent to the terminals. Otherwise shorting could occur resulting in fire
or burns.
Do not use batteries or the battery charger if wet. Resultant shorting could
lead to fire or burns.
Do not connect or disconnect power supply plugs with wet hands. Electric
shock could result.
Caution
Do not touch liquid leaking from batteries. Harmful chemicals could cause
burns or blisters.
1. PRECAUTIONS FOR SAFE OPERATION
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