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Appendix G
Maintenance Port
Parser Commands
TracVision 4 system parser commands are parsed when the
system receives an ASCII carriage return (Hex 0D). An ASCII line
feed (Hex 0A) is permitted but is ignored in any transmitted
command. All system responses are terminated with an ASCII
carriage return followed by a line feed and ending with either an
acknowledge character (ASCII > (Hex 3E)) or a not-acknowledge
character (ASCII ? (Hex 3F)). The parser commands are shown
below in boldface capital letters but they are not case-sensitive. In
most cases the command is responded to with an echo; that is, if
you type
ZAP, for example, and press “ENTER” the response
will be the command you have entered. For other commands the
response is specific for each command, such as
VERSION,
STATUS or HELP.
G.1 System Commands
Software Version
Function: reports software version and system type
Command: VERSION
Argument: none
Response: KVH TV4 Version XX.XX
System Status Report
Function: reports general system status
Command: STATUS
Argument: none
Response: system status string
Initialize the System
Function: initializes the system (perform a soft reset)
Command: ZAP
Argument: none
Response: echoes the command, then reinitializes the system
G-1
Maintenance Port Parser Commands
54-0150 Rev. D
Table G-1
System Commands