ComNav 2001 Autopilot System
P/N 29010017 V1.0 - 47-
OPERATION
For two seconds, the first thing you will see when
the autopilot is turned on is the software revision
number. Example: '02.08'. This will tell you the
version of the computer program in your
autopilot.
To tell if you have the most current version of the
autopilot program, call the factory with the
software revision number displayed. If you do not
have the latest version, we will be able to tell you
how to have your autopilot updated.
The first operating mode is STANDBY. In this
mode, the display will show you the vessel's
actual compass heading. Any rudder angle
indicators fitted will now show the vessel's rudder
angle, and any Remote Heading Displays will
also be active.
To apply a permanent offset to the displayed
compass heading to make it agree with your
compass, press and hold the GYRO (WIND)
OFF key and then press the up or down
ARROW key. Heading information will be
transmitted on the Data Output port.
To reset all autopilot parameters back to factory
original settings, press and hold both the up and
down ARROW keys for one second.
To change the type of special turn (Emergency
turn, Continuous turn, or U-turn) that will occur
when you select a U-TURN in the PILOT
operating mode, press the U-TURN key followed
by either the red or green ARROW key.
The second operating mode is POWER STEER.
In this mode, the display still shows the vessel's
actual compass heading, but now the red and
green ARROW or DODGE keys can be used to
turn the rudder port or starboard.
You can still use the wheel if you have hydraulic
steering, but the autopilot will not let you turn the
rudder past the limits that were set when the
autopilot was installed. The only operating mode
where you can use the wheel if you have
mechanical steering, is STANDBY.
The third operating mode is PILOT. When you
turn the master select switch to this position, the
autopilot will begin steering the vessel on the last
course it was on just prior to switching to
PILOT. It will use the last rudder angle on the
vessel as the first approximation of dead ahead
rudder. (This means that if you are towing a net
and require 15 degrees of port rudder to make the
vessel steer straight, the autopilot will hold that
rudder angle when you turn to PILOT.)
If the rudder angle is not correct, the automatic
trim function of the autopilot will find the correct
dead ahead rudder angle in approximately one
minute.
To change the vessel's course by one degree,
press and release the red or green ARROW key.
To make larger course changes, press and hold
the red or green ARROW key, and the display
will move at 10 degrees per second until you
release the key. The autopilot will bring the
vessel around to the new course at the rate set by
the TURN RATE control (see 4). The Function
Indicator will show a 'c' until the course change is
complete.
Press the U-TURN key, with either the red or
green ARROW key for one second, and the
vessel will make an Emergency turn, Continuous
turn, or U-turn (selected in STANDBY) to that
side at the programmed rate of turn. The Function
Indicator will show a 'E', 'C' or 'U' until the turn is
complete.
The RUDDER, COUNTER RUDDER, YAW
and TURN RATE keys are now active. These
can be adjusted by pressing the appropriate key,
followed by either the up or down ARROW key.
When any of the four keys are pressed, the
display will change to show all their settings.
These are in the same order on the display as they
are on the keypad. The digit corresponding to the
key that you pressed will be blinking. After five
seconds, the display will return to normal.
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