Leica apMK12, Operation & Installation Manual

Page: 71 / 218

58 Version 1.5
Operation & Installation Manual Waypoint
explanation / actual use:
1: nn = active route number, 00 or 01
can be set to 00 or 01 (default 00).
2 - 15: 14 field sequence of route waypoint IDs.
16: Checksum can be set on or off (default on).
RTE - Active Route:
Waypoint identifiers, listed in order with starting waypoint first, for
the identified route. Two modes of transmission are provided: “c” indi-
cates that the complete list of waypoints in the route are being trans-
mitted; “w” indicates a working route (active) where the first listed
waypoint is always the last waypoint that has been reached (FROM),
while the second listed waypoint is always the waypoint that you are
currently heading toward (TO). The remaining list of waypoints repre-
sents the remainder of the route.
RTE can be sent as version 2.1 and 2.0.
field#: 2 3 4 5 6 1 1 1
5 6 7
$GPRTE,x,x,a,cccc,cccc,.....,cccc,cccc*hh<CR><LF>
explanation / actual use:
2: Total number of messages being transmitted (a single route
may require the transmission of multiple messages). A maxi-
mum of 11 waypoints are transmitted in each messages.
3: Message number.
4: Message mode: c = complete route, all waypoints, w = work-
ing , 1
st listed waypoint is ‘FROM’, 2 nd is ‘TO’ and remaining
are the rest. c/w can be set to c or w (default w).
5: Route identifier, always 00 (Active Route only).
6 - 16: Waypoint identifiers, (less than 11 waypoints may be in the
message).
The number of remaining waypoints can be set to 1, 2 or “all”
(default all) shortening the drawn track on the plotter.
17: Checksum can be set on or off (default on).
8/13/01, 11:31 AM 58