Omron POWLI BY75SW - 1-3 Explanation of symbol used on unit

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1. Preparation
BY75SW
Front view
Digital status indicator
Battery replacement cover
Battery replacement indication lamp
Beep stop/test switch
Power switch
Dip switch
Serial/Dry contact communication
connector
Power supply output receptacle
Communication method
selection switch
Grounding terminal
AC input cable/plug
AC input overcurrent protection
USB communication connector
Remote ON/OFF connector
Rear view