| Display Selector |
| Ground Power and Bus Switching Panel with associated APU Lights and Indicators |
GRD PWR (Ground Power) Switch
Three position switch, spring–loaded to neutral.
OFF –
Disconnects ground power from the AC Transfer Busses.
ON –
If momentarily moved to the ON position and ground power is
available:
Three position switch, spring–loaded to neutral.
OFF –
Disconnects ground power from the AC Transfer Busses.
ON –
If momentarily moved to the ON position and ground power is
available:
- Removes any previously connected power source from the
AC Transfer Busses. - Connects ground power to the AC Transfer Busses if power
quality is correct.