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Robertson AP45 Autopilot
Operation
Example:
R indicates that the vessel is located to the right of the bearing line, and L
indicates to the left of the bearing line.
05° is the number of degrees course correction relative to initial set course. As
the vessel approaches the bearing line, the correction value decreases and
when the vessel is on track, the information display shows:
The display may show X number of degrees course correction even if it says "ON
TRACK".
5. As the vessel gets within the arrival circle set on the navigational receiver, or
as the vessel passes the perpendicular line to the waypoint, the receiver
transmits a "data not valid" signal to the autopilot. An alarm will then activate
and the course to steer will no longer be updated.
To proceed to the next waypoint, the procedure should be repeated from step 2
onwards.
Procedure:
Reset the alarm on the autopilot and navigational receiver.
Select "AUTOPILOT" mode on the autopilot
Use Course Change knob/buttons on the autopilot to set the new course given
by the Nav. receiver.
Press "NAV"
Navigational steering is a slow acting process and the vessel normally follows the
bearing line with a deviation of ±0.02 - 0.03 n.m.(40-50 meters). Higher deviation
may temporarily occur due to rapid change of current, wind, speed or at start-up
from a position off the track line.
05° XTE = R0.02NM
NAVIGATION
WAYPOINT 1
INFO DISPLAY
L LEFT
R RIGHT
XTE= R0.02NM
ALARM
RESET
05° XTE=R 0.02Nm
NAVIGATION
00° ON TRACK
NAVIGATION
Note!
NOTE!
BEARING LINE
05°
POOR NAVDATA
CHANGE MODE
INFO DISPLAY
Simrad Robertson AS
Egersund - Norway
WAYPOINT 3
00° ON TRACK
WAYPOINT 2
NAV.RECEIVER
Page 2-7
NAVIGATION
INFO DISPLAY
ALARM
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