Operator Manual Chapter3. For the Beginning Operator
© 2014
Nautilus Hyosung, Inc.
All Rights Reserved. 3-7
Power Supply Status
▶
LED and Switch Functions
▪ [AC IN]: Turned on upon AC power supply.
▪ [DC OUT]: Turned on upon DC power supply.
▪ [BATT LOW]: Turned on when the battery voltage is 21V or less or when the battery
cable is not connected.
▪ [MAIN S/W]: Supplies or stops AC power.
▶
Switch Status
▪ [Main S/W] is pressed on “I” position
AC power is being supplied to the power supply unit, and only [AC IN] LED is turned
on.
▪ [Main S/W] is pressed on “O” position
AC power is not supplied to the power supply unit and all status LEDs are turned off.
▪ In case power failure occurs during normal system operation, the system will enter
<Power Failure Mode> and only [DC OUT] will be turned off.
Main
Switch
LED