PROPILOT 700
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2.1 NMEA 0183 Messages
The ProPilot 700 is capable of processing the following NMEA
0183 messages for navigation. Cross Track Error, Bearing to
Waypoint and Waypoint identifier are required as a minimum,
Velocity can be used to control the Rudder Ratio setting.
MESSAGE CROSS TRACK BEARING TO WAYPOINT VELOCITY
ERROR WAYPOINT IDENTIFIER
APB/APA üüü-
BOD - üü-
BWC - üü-
XTE ü ---
RMA - - - ü
RMB üüü-
RMC - - - ü
VTG - - - ü
VHW - - - ü
ü indicates that the data should be present in the given message
according to the NMEA 0183 specification, however please note
that not all manufacturers provide all the data required by a given
message.
Providing the navigator outputs the minimum information, your
craft will turn automatically on to the next track without any action
on your part. You have the option to change the configuration of
the ProPilot 700, so that it requires a key press before it changes to
the new bearing.
2.2 Using Navigator Control
If the navigator is to output the required information, it first has to
be programmed with your a waypoint or route selected as your
target. The basic information used for ProPilot 700 control is:-
• Bearing to Next Waypoint.
• Cross Track Error: Whether you are port or starboard of the
course and by how much, expressed in units of one hundredth
of a nautical mile (60ft).
• Alarm condition: This indicates if information received from the
navigator is not valid, check the navigator.
• Next Waypoint Identifier
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