User manual

MPTP | MPTP commands 27
Track One, Track Pro, Trackbox, TrackKeeper, Seraph, Twig Locator :
Depending on the authorization of the Control Centre which sent the request, a new tracking
process may be created or the request may be disregarded altogether. Cf. section 2.1.3 for more
information.
Esc! :
Depending on the authorization of the Control Centre which sent the request, a new tracking
process may be created automatically or user confirmation may be required. Cf. section 2.1.3 for
more information.
The newly created tracking process is activated at once. The report commands sent by it are described in
section 4.2.2.1.
Command format
Length: 8…16 characters
Command*
Interval
Number
of reports
4 1 1…5 1 1…5
?TRC _ 10 _ 20
*) cf. section 3.1 for description of this field.
The special fields of the command are as follows:
Field Description Range
Interval Time between sending of tracking reports, in
minutes.
1…65534 (mins)
Number
of reports
Stop trigger condition: the tracking process is
stopped when the specified number of reports
have been sent.
1…65534
For information on how the receiving instrument interprets these parameters, cf. section 4.2.2.1.
4.2.1.2. Simple tracking request: interval, seconds (?TRS)
CC MTT
This command is nearly identical with the simple tracking command described in section 4.2.1.1 above.
The only difference is that for this command, the interval for sending tracking reports is given in seconds
instead of minutes.