Beechcraft C-12C Operator And Technical Reference Manual page 542

TM 1-1520-218-10
SUBSYSTEM
Bit 12
Bit 13
Bit 14
Bit 15
Bit 16
BUS
GPS Receiver Status
RPU
BATT
ADC Status
ADC
V/UHF Status
Bit 1
Bit 2
Bit 3
Bit 4
Bit 5
Bit 6
Bit 7
Bit 8
Bit 9
Bit 10
Bit 11
3C-188
Table 3C-102. System Failure Indications (Continued)
FAILURE INDICATION
Transmit A Bus
Fault B Bus
Fault A Bus
Data Loader Subsystem
Status
MIL-STD-1553 Terminal
Status
MIL-STD-1553B Bus Status
GPS Receiver CPU Status
GPS Receiver Battery Status
ADC Subsystem Status
Power Supply Ready Fault
High Power Amp (HPA) Low
Voltage Fault
HPA Temperature Fault
HPA Voltage Standing Wave
Radio Fault
HPA Protection Fault
Power Amp Low Power Fault
Synthesizer Fault
Antenna Converter Fault
Command/Compare Fault
Not Used
Applique Fault
POSSIBLE EFFECTS
Data Loader has failed to transmit data on the 1553 A
bus.
1553 B data is corrupted;
terminated.
1553 A data is corrupted;
terminated.
Data Loader may be inoperative or have impaired
capability.
Data Loader may be unable to communicate on the
1553 bus.
NGO-A: Data Loader is not responding on the A bus.
NGO-B: Data Loader is not responding on the B bus.
NGO-T: Data Loader is not responding on either
1553 bus.
GPS CPU may cease to function or have impaired
capability.
GPS Battery Voltage is low. Almanac data could be
lost on power-down.
ADC may be inoperative or have impaired capability.
V/UHF radio may be inoperative or have impaired
capability.
V/UHF radio may be inoperative or have impaired
capability.
V/UHF radio may be inoperative or have impaired
capability.
V/UHF radio may be inoperative or have impaired
capability.
V/UHF radio may be inoperative or have impaired
capability.
V/UHF radio may be inoperative or have impaired
capability.
V/UHF radio may be inoperative or have impaired
capability.
V/UHF radio receive or transmit capability may be
inoperative or have impaired capability.
V/UHF radio may not respond to control commands
on the 1553 bus. Radio may be operative, but control
may be unavailable.
V/UHF radio may be inoperative or have impaired
capability.
1553 data transmission
1553 data transmission