WATSON INDUSTRIES ARS-G152 Owner's Manual page 19

Remove the most significant bit from each byte:
Angular Rate
0x6F
0x3B
Shift lower byte left once (to remove 1 bit space between bytes):
Angular Rate
0x6F
0x76
Shift lower & upper bytes left once (to remove 1 bit space at top of high byte):
Angular Rate
0xDF
0xEC
Convert from hexadecimal to decimal counts:
Angular Rate
57324
Correct bank, elevation, and angular rates for the sign
If >32767 then subtract 65536 from the data
X Rate
-8212
Multiply the data (in counts) by the scale factor
Convert to units: counts * scale factor
For Angular Rate:
Angular Rate
-100.24 ˚/s
The nominal interface settings are:
Watson Industries, Inc.
Scale factor is: (400 ˚/s) / 32768 counts
9600 Baud
8 Bit Data
1 Start Bit
1 Stop Bit
No Parity
19
ARS-G152 Rev A 05/02/2019