2 – 4 HS40 Service Manual
Symbols Description
Power On
Power Off
Power On for part of the product
Power Off for part of the product
V~
Alternating current voltage source
Direct current voltage source
Dangerous voltage (Indicates dangerous voltages over 1000V AC or
1500V DC)
Protective earth (ground)
Equipotentiality
Data output port
Data input port
Data Input/Output port
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