User Manual Part 2

IS-900 User Guide Page 85 of 159
Genlock Synchronization Record
This record is sent in response to MG<> command. It
returns the current synchronization settings of the system.
31G{State}, {Rate}, {Number of cycles per signal}<>
Bytes Explanation
1 Record type , '3'
2 Always 1.
3 Sub-Record type, 'G'
4 State, 0 to 3
5-11 Strobe rate or Output record rate
12-14 Number of computational cycles tracker performs
between sync signals or output records. Multiply
this parameter by Rate to determine the internal
update rate of the tracker.
15,16 CR, LF
8.5.5. Records Specific to IS-900 Models
Ultrasonic Timeout Record This record is sent in response to the MU<> command. It
returns an ASCII integer for the number of milliseconds of
the ultrasonic timeout.
31U{Interval}<>
Bytes Explanation
1 Record type , '3'
2 Station Number. Always 1.
3 Sub-Record type, 'U'
4,5 Ultrasonic timeout value.
6,7 CR, LF
Ultrasonic Sensitivity Record
This record is sent in response to the Mg<> command. It
returns an ASCII integer representing current sensitivity
setting of the ultrasonic receivers.
31g{Level }<>
Bytes Explanation
1 Record type , '3'
2 Station Number. Always 1.
3 Sub-Record type, 'g'
4 Sensitivity Level.
5,6 CR, LF