-26-
PRO
PILOT
725 INSTALLATION & SERVICING MANUAL
the
NAV
key
will
bring
up
the
Navigator
Gain
settings
which
can
then
be
altered
using
the and keys.
N M G 1 - 0 5
If the navigator gain control is set too high the vessel, when
under navigator control, will make large step corrections to
return the vessel to track. The gain of the navigator should be
set as high as possible without this effect being induced.
N M G 2 - 0 5
Similarly this window sets the signal Gain for a Navigator
connected to NAV2.
External Alarm
This
is
the
window
for
switching
an
External
alarm
on
or
off.
Simply
press
and
hold
the
ALARM
key
to
enter
the
alarm
X A L M - O F F
menu
and
press
the
key
repeatedly
until
the
External
Alarm
display
is
shown.
The and keys are used to switch the
alarm on and off.
Gyro Compass Control
Note:
Although the Autopilot Control will access the following gyro
displays, the autopilot can only be operated under gyro control
if the necessary interface (930 523) is fitted to the 930 618
Distribution Box.
The Autopilot can be set to take its heading information from a
Gyro Compass instead of a compass sensor.
When used in this way, whenever the autopilot is switched on,
the Gyro reading must be calibrated to the correct compass
heading. To do this:
V A R - - E 0 0
Press the COMP key until COMP OFF (or COMP ON) is
displayed, press and hold the COMP key until the compass
variation message is shown. Then release the key and press it
twice more to enter the Gyro menu. Use the or keys
G Y R O - - O N
to switch the Gyro on or off.
G C A L - - O F F
With the Gyro switched on, press the COMP key to enter the
Gyro calibration option.
G C A L - - 0 0 0
Use the or keys to instigate Gyro calibration.
G C A L - - 1 2 0
Dial in the ship's heading by turning the Course Selector knob.
Installation Settings