Furuno GP-3500F Operator's Manual page 171

Route data menu
$GPRTE, x, x, a, ccc, c----c, c----c, ... , c----c <CR><LF>
1 2 3
1: Number of sentences required for one complete route data (1 to 4). See Note
2.
2: Number of sentences currently used (1 to 4)
3: Message mode (Always set to C)
4: Route No. (001 to 300, 3 digits required)
5 through 12: Waypoint name (Max. 8 names, length of each waypoint name is
fixed to 7 byte)
Note 2: A route can may contain 35 waypoints, and the 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 the route data has been divided.
Route comment data format
$PFEC, GPrtc,
1. Route No. (01 to 200, 3 digits required)
2. Route comment (Max. 16 characters, variable length)
3. The same characters of the comment for waypoint comment can be used.
End of sentence
$PFEC, GPxfr,
10. RECORDING & PLAYING BACK DATA
5
4 6
Route comment format
xx, c----c <CR><LF>
1 2
Route comment format
CTL, E <CR><LF>
End of sentence
12
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