Furuno GP-30/35 - Manual (Page 40)

7-9
Route data format
$GPRTE, x, x, a, cc, c----c, c----c, ... , c----c
1 2 3 4 5 6 12
Figure 7-24 Route data format
1: Number of sentences required for one complete route data (1 to 4). See Note.
2: Number of sentences currently used (1 to 4)
3: Message mode (Always set to C).
4: Route No. (01 to 30, 2 digits required)
5 through 12 : Waypoint name (Max. 8 names, length of each waypoint name is fixed to 7
byte)
1st byte: Skip code '–' (Hyphen) = Skip ON, Space code = Skip OFF
After 2nd byte: Waypoint name (fixed to 6 bytes)
Note: A route can contain max. 30 waypoints and GPRTE sentence for one route data may
exceed 80 byte limitation. In this case, route data is divided into several GPRTE sentences
(Max. 4 sentences). This value shows the number of sentences route data has been divided.
Route comment data format
$PFEC, GPrtc, xx, c----c
1 2
Figure 7-25 Route comment data format
1: Route No. (01 to 30, 2 digits required)
2: Route comment (Max. 16 characters, variable length)
The same characters of the comment for waypoint comment can be used.
End of sentence
$PFEC, GPxfr, CTL, E
Figure 7-26 End of sentence