
Uploading Waypoints from Other Devices
The CDU will accept waypoints from any device which
follows the WPL formats identified earlier in the Waypoint
section. The first two characters following the $ can be
any NMEA defined talker ID. You do not have to calculate
and include the checksum; however, you must end each
data record with a carriage return and line feed. If you
do include the checksum at the end of the data record,
the CDU will verify the checksum. If the checksum is
invalid, the waypoint will be rejected.
Waypoints received on the data port will be stored to
the waypoint location specified in the WPL record. If the
waypoint location specified in the WPL record is already
occupied, the CDU will overwrite the existing waypoint
(if it is unlocked). If the existing waypoint is locked, the
WPL record received on the input port will be ignored and
dropped.
The CDU will only recognize waypoints from one input
port at any given time. This port is defined in CFG1 WPT
& RTE In.
Uploading Waypoints from a Personal
Computer
You can use any terminal or communications program to
download or upload waypoints and routes to or from the
CDU and a PC.
Set the PC to:
4800 baud
8 bits
1 stop bit
no parity
no flow control
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