Moog Crossbow VG700MB Series User Manual
Page 18

VG700M User’s Manual
Page 12
Doc.# 7430-0280-01
Rev. F
Description
This queries the DMU firmware and will tell you 
the DMU type and firmware version. The 
response is an ASCII string. The exact string 
will vary according to the DMU type and 
version. 
Command
Query Serial Number
Character(s) Sent
S
Response
Serial number packet
Description
This queries the DMU for its serial number. The 
DMU will respond with a serial number data 
packet that consists of a header byte (FF), the 
serial number in 4 bytes, and a checksum byte. 
The serial number bytes should be interpreted as 
a 32-bit unsigned integer. For example, the serial 
number 9911750 would be sent as the four bytes 
00 97 3D C6. 
Command
Built-in Test (VG700MB-206 Only)
Character(s) Sent
B
Response
b
Description
Built in test performed, result in BIT byte of next 
data packet. Delay of 70ms occurs for this test. 
The Gyro zeroing validity bit defaults to the high 
condition upon power up or any restart of the 
system. If the previous zeroing performed was 
successful, the user may choose to ignore the 
gyro zeroing validity bit. See section 3.5.2 below 
for definition of BIT word structure. 
