183
Commands
Table 4.108 describes the typical TCM response message.
TTT: Photogrammetry Event Marker
$PASHS,NME,TTT,x,c,[f]
Enable/disable event marker message on port x, where x is the output port, c is ON
or OFF, and f is the optional message output rate ranging from 0.05 to 999 seconds
depending on the measurement update rate option installed. This message is not
output unless a photogrammetry pulse is being input, and the photogrammetry
option (E) is available in the receiver.
If the command is set without a period, the G12 uses the period set by the
$PASHS,NME,PER command If the $PASHS,NME,PER command is issued after
this message period has been set, the period resets to the PER setting.
Example
Enter the following command to enable TTT message on port A
$PASHS,NME,TTT,A,ON
There is no query command for TTT.
$PASHR,TTT
The response message is in the form:
$PASHR,TTT,d1,m1*cc
Table 4.108. Typical TCM Message
Field Description
$PASHR,TCM Header
1 Indicates that the base and remote station are synchronized
31 Indicates that the remote station is receiving RTCM message
types 1 and 3
0000 Base station ID number
0 Base station health code
2644.0 Z count
100 Indicates that message reception quality is 100%
01 Indicates that the age of the correction messages is one
second
*28 Checksum
G12RevD.book Page 183 Tuesday, April 2, 2002 4:33 PM
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