Furuno GP-1640 Operator's Manual page 69

Note 2: A route can may contain 35 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 the route data
has been divided.
Route comment data format
$PFEC, GPrtc, xx, c----c <CR><LF>
1
Route comment format
1: Route No. (01 to 200, 3 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,
End of sentence
2
CTL, E <CR><LF>
SYSTEM menu
This menu provides testing facilities,
demonstration mode setup and memory/trip
clear. You may display it by pressing the
[MENU] key followed by the CONFIGURATION
and SYSTEM MENU soft keys.
SELF TEST
DEMONSTRATION MODE
MEMORY/TRIP CLEAR
GPS 3D
System menu
SYSTEM MENU description
SELF TEST, MEMORY/TRIP CLEAR: SELF
TEST and MEMORY/TRIP CLEAR are
described in Chapter12.
DEMONSTRATION MODE: This sets the
parameters for the demonstration display. For
further details see page 1-5.
SYSTEM
MENU
RETURN
10-11