User manual

97
Digital Inputs
0 Ignition sense
1 DIN1
2 DIN2
3-F Reserved for Future use
Analog Input
0 Vanguard SC input voltage sense
1 Modem PCB temperature sense
2 AIN1
3 AIN2
4-F Reserved for Future use
Digital Output
0 DO1 (COM1/NO1)
1 DO2 (COM2/NO2)
2-F Reserved for Future use
hh: NMEA-compliant checksum
Example: Acknowledge a "Cell module temperature out of range" alarm
$IIACK,011*FF<CR><LF>
3.11.3 LABELS
Each diagnostic value can be user-defined messages indicating its normal and abnormal conditions.