User's Manual

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7 Handling precautions
7.1 About specification value
Be sure to observe the specification value of this product. Using beyond the specification
value may cause a malfunction.
1
Power supply voltage: Main unit (input voltage)
This is the maximum voltage that can be applied between the power supp
ly terminal and the ground terminal (GND). If this voltage is exceeded, a f
ailure may occur.
2
Operating temperature
This is the temperature range within which the operation can be performe
d with the specifications satisfied. If this temperature range is exceeded, t
he performance may not be satisfied. It may also cause a malfunction.
3
Storage temperature
This is the temperature range for storage without operation, and performa
nce may not be satisfied if this temperature range is exceeded. It may als
o cause a malfunction.
7.2 Precautions for use
1 This product is not suitable for use in locations where children are likely t
o be present.
2 Do not remove or disassemble the screws of this product. Doing so may c
ause performance deterioration or failure.
3 When performing maintenance with the screws removed, be sure to take
measures against static electricity (battery replacement, reset switch opera
tion, etc.). If not doing, it may cause performance degradation or malfuncti
on.
4 Dropping this product or leaving it outdoors for a long time may cause scr
atches, dirt, or malfunctions.
5 This product is not designed for use in the following special environments.
Do not use in the following special environment as it may cause perform
ance deterioration and failure.
・ chemical liquid, organic liquid, etc. adhered or in liquid
・ Locations with a lot of corrosive gases such as salt wind, chlorine, hydrogen
sulfide, ammonia, sulfur oxide, hydrogen chloride, and subsulfide gas
・ Environment with strong static electricity and electromagnetic waves