TMQ AP55 Display Head
Page 15
Ver1.0 08/12/2005
Then the AP55 will be able to steer from each waypoint to the next
without intervention.
If only the XTE information is available from your GPS unit then
your vessel must be on track, and heading in the correct direction,
before engaging the GPS unit. The “auto sequence” feature is not
available in this instance.
Remember:
Prior to engaging GPS mode, a route or destination must be programmed
and selected in the GPS for the Autopilot to follow.
No GPS Data Alarm:
If the autopilot is not receiving valid information while in GPS
Mode, the alarm will sound, and GPS and AUTO LED will flash.
This could be caused by:
•
Incorrect wiring of the GPS to the C-Drive unit.
•
Incorrect data output (wrong sentence) from the GPS unit.
•
No route set up or selected in the GPS unit
•
No location fix at the GPS unit.
The course over ground information generated by the GPS unit
should closely correspond to the magnetic heading signal the AP55
is receiving from its magnetic compass. The greater the difference
between these headings, the less accurate will be the GPS Mode
steering.
•
Ensure that the GPS unit has the correct magnetic correction factor.
•
Ensure that theAP55 compass is correctly aligned and installed, and
not subject to magnetic interference.
Содержание AP55 Display Head
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Страница 32: ...TMQ AP55 Display Head Page 32 Ver1 0 08 12 2005 AP55 Circuit Diagram...
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