Decatur Electronics G3, User Manual & Installation Manual, Page: 72 / 76

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Appendix B: Communications Port - serial protocols.
G3™ COM X serial outputs selections:
COMX setting Output
0 No output
1 Diagnostic output
2 Linear spectrum output
3 Future expansion
4 Future expansion
5 Future expansion
6 Future expansion
7 G3™ standard output
8 COPS (Common Output Protocol) Please contact
your local sales or service agent for protocol
description .
9 Power dB spectrum output
G3™ Standard Output:
The standard serial communication has the following characteristics
(8N1) and is transmit only:
• One (1) start bit
• Eight (8) data bits
• No parity
• One (1) stop bit
• Transmission at 1200 baud
The G3™ transmits data as ASCII symbols in the following digit
sequence:
Target Patrol
[hundreds][tens][ones] [hundreds][tens][ones]<CR>
(<CR> = ASCII decimal value 13)
The G3™ sends the data in this sequence when the TARGET or PATROL
speed display changes, or when the MODE or antenna selection
changes . During the test sequence the target and patrol speeds
transmit, but the display segment check data do not .
When you press the LOCK button, the G3™ transmits the following
digital sequence:
[hundreds][tens][ones]<CR> (<CR> = ASCII
decimal value 13)