-27-
PRO
PILOT
725 INSTALLATION & SERVICING MANUAL
G C A L - - O F F
Press
the or keys to complete the calibration of Gyro to
Autopilot.
G Y R O - - 1 2 0
When under Gyro control, the Autopilot will display GYRO
instead of HEAD in Standby mode, and GYRO instead of
COMP in Auto mode.
Note:
Calibration is not accepted unless either the
or
key has
been pressed. The autopilot will remain under gyro control
when powered down and switched on again but calibration
will be lost.
Gyro Type
or
Since Gyro Compass' vary in their output it is necessary when
Gyro Ratio
first
installing
the
Gyro
to
select
the
correct
Gyro
Ratio.
Most
use a 360:1 ratio but some use a 180:1 or 90:1 ratio.
GCAL--OFF
To set the correct ratio use the COMP key to enter the Gyro
calibration window, a further press of the COMP key will
RATIO 0
then
display
the
Gyro
Ratio
option.
The settings are:
0 - 360:1
1 - 180:1
2 - 90:1
Use the and keys to change the setting to the correct
ratio. Turn the Propilot 725 off to store the setting.
Installation Settings