Super 80 Professional – AOM
ELECTRICAL
Section 11 Page 6
Super 80 Professional – Aircraft Operating Manual
Coolsky, 2018
1. GROUND SERVICE BUS POWER IN USE LIGHT
(2) (Blue)
The light indicates that the selected power
source is connected to the Ground Service
Bus and supplying power.
2. APU PWR SWITCH
OFF
Removes APU generator power from
the Ground Service Bus
ON
Connects APU generator power to
the Ground Service Bus.
3. APU PWR AVAIL LIGHT (Blue)
Indicates that APU generator power is
available.
4. EXT PWR SWITCH
OFF
Removes external power from the
Ground Service Bus
ON
Connects external power to the
Ground Service Bus. Note: External
power will be selected to power the
Ground Service Bus if both APU
generator and external power
switches are selected ON.
5. EXT PWR AVAIL LIGHT (Blue)
Indicates that external power is available.
6. MAINTENANCE INTERPHONE
OFF
Disconnects all maintenance
interphone jacks from the service
interphone.
ON
Connects all maintenance
interphone jacks from the service
interphone.
