Watson Industries, Inc.
GGC-E101 Rev A 08/30/2013
23
The Status Bits contain the following information:
Bit
Description (If Set)
0
Bank Error Flag
1
Elevation Error Flag
2
Heading Error Flag
3
System Error Flag
4
Velocity Error Flag
5
Ready Flag
6
Checksum Error Flag
The Flag Bits contains the following information:
Bit
Description (If Set)
0
GPS ground track heading data loss
1
GPS ground track velocity data loss
2
GPS true heading data loss
3
Reference Command selected
4
GPS enabled
5
Free Mode selected
6
Logic Input Switches disabled
e.g. Status = 040(octal) = 0 100 000 (binary)
bit 6 is reset - No Checksum Error
bit 5 is set - Ready
bit 4 is reset – No Velocity Error
bit 3 is reset – No System Error
bit 2 is reset – No Heading Error
bit 1 is reset – No Elevation Error
bit 0 is reset – No Bank Error
e.g. Flags = 120(octal) = 1 010 000 (binary)
bit 6 is set - Logic Input disabled
bit 5 is reset - not in Free Mode
bit 4 is set - GPS enabled
bit 3 is reset – not in Reference Mode
bit 2 is reset - valid GPS true heading data
bit 1 is reset - valid GPS ground track velocity data
bit 0 is reset - valid GPS ground track heading data