Disengaging GPS Mode
Setting up your GPS unit
Because there are a great variety of GPS units that will work with this
autopilot, the following is a guide only. For more information, consult your
GPS manual.
The GPS unit must be set up to output
NMEA0183
data on a pair of
wires which are connected to the
GPS In
terminal connections inside the
KAP-833. The data generated must include
at least on
of the following.
GPS Mode
5
For use when interfaced to a GPS generating NMEA 0183 data output. While in
auto mode this allows the autopilot to be directed by the GPS, enabling automatic
heading changes and eliminating the effects of wind and tide.
The digital display indicates the
course-to-steer
, which will be the bearing
between the origin and destination waypoints, plus a factor to correct for the
current
cross-track-error (XTE).
Pressing the
Auto
key will set the KAP-833 to
Auto Mode.
Pressing the
Standby
key will return the pilot to
Standby.
The
APA
sentence.
The
APB
sentence.
The
BOD
and
XTE
sentences.
If only the
XTE
data sentence available, the pilot can steer in a restricted
manner. See later in this section.
5
When in any mode, press the
GPS
key. A beep will sound and the
adjacent yellow light will be turned on.
The vessel will begin turning from its current course to the course
requested by the
GPS unit,
at a maximum rate of 10 degrees per second.
If no GPS data is being received by the KAP-833, the autopilot will lock
onto the course of the vessel at the time that
GPS Mode
was engaged, and
the
No GPS Data
alarm shall sound.
Engaging GPS Mode
