Garmin GHP Reactor Hydraulic Installation Instructions Manual - Page 8
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The Sea Trial Wizard
The Sea Trial Wizard configures the fundamental sensors on the
autopilot, and it is extremely important to complete the wizard in
conditions appropriate for your boat.
Important Sea Trial Wizard Considerations
The Sea Trial Wizard must be completed in calm water.
Because the nature of calm water is relative to the size and
shape of the boat, before you begin the Sea Trial Wizard, the
boat must be in an appropriate location.
• The boat must not rock while sitting still or moving very
slowly.
• The boat must not be significantly affected by the wind.
While completing the Sea Trial Wizard, observe these
considerations.
• Weight on the boat must remain balanced. While completing
any of the steps in the Sea Trial Wizard, do not move around
on the boat.
Performing the Sea Trial Wizard
1
Drive your boat to an open area of calm water.
2
Select Menu > Setup > Dealer Autopilot Setup > Wizards
> Sea Trial Wizard.
3
If necessary, configure the planing RPM.
This step applies only to planing-hull power boats with the
speed source set to Tach. - NMEA 2000 or Proprietary.
4
If necessary, configure the planing speed.
This step applies only to planing-hull power boats with the
speed source set to GPS.
5
If necessary, configure the high RPM limit.
This step applies only to power boats with the speed source
set to Tach. - NMEA 2000 or Proprietary or GPS.
6
If necessary, configure the maximum speed.
This step applies only to power boats with the speed source
set to GPS.
7
Calibrate the compass
8
Perform the Autotune procedure
Procedure).
9
Set north
(Setting
North) if GPS-heading information is
available, or set the fine heading adjustment
Heading
Adjustment) if GPS-heading information is not
available.
Calibrating the Compass
1
Select an option:
• If you are performing this procedure as part of the Sea
Trial Wizard, select Begin.
• If you are performing this procedure outside of the Sea
Trial Wizard, from the heading screen, select Menu >
Setup > Dealer Autopilot Setup > Compass Setup >
Calibrate Compass > Begin.
2
Follow the directions on the helm control until calibration is
complete, taking care to keep the boat as steady and flat as
possible.
The boat should not list during calibration.
3
Select an option:
• If the calibration completes successfully, select Done.
• If the calibration is not successful, select Retry and repeat
steps 1 through 3.
When the calibration is complete, calibration values are
displayed. You can use these values to determine the quality of
the calibration procedure.
Compass-Calibration Values
After the compass calibration process is complete, you can
review the results provided on the helm control to determine the
successfulness of the calibration.
8
(Calibrating the
Compass).
(Performing the Autotune
(Setting the Fine
Magnetic Environment: Indicates the level of distortion of the
Earth's magnetic field at the mounting location.
• A value of 100 indicates the device experiences no
magnetic interference at the mounting location.
• If this value is low, you might need to move the CCU and
calibrate the compass again.
• A value of 100 is ideal, but it is not necessary for the
autopilot to function correctly. If the CCU is mounted in an
optimal location on your boat, you should continue
configuring the autopilot and evaluate the performance
again later.
Spin Quality: Represents how level the boat remained during
the compass-calibration process.
• A value of 100 indicates the boat remained perfectly level
during compass calibration.
• If this value is low, you might need to calibrate the
compass again.
Performing the Autotune Procedure
Before you can begin this procedure, you must have a large
stretch of open water available.
1
Adjust the throttle so the boat travels at a typical cruising
speed that provides responsive steering.
2
Select an option:
• If you are performing this procedure as part of the Sea
Trial Wizard, select Begin.
• If you are performing this procedure outside of the Sea
Trial Wizard, from the heading screen, select Menu >
Setup > Dealer Autopilot Setup > Autopilot Tuning >
Autotune > Begin.
The boat performs various zigzag motions while the Autotune
is in progress.
3
After the procedure is finished, follow the on-screen
instructions.
4
Select an option:
• If the Autotune procedure is not successful, but you have
not reached maximum cruising speed, increase the speed
and repeat steps 1 through 3 until the Autotune
procedure completes successfully.
• If the Autotune procedure is not successful, and you have
reached maximum cruising speed, reduce your speed to
the initial Autotune speed and select Alternate Autotune
to begin an alternate procedure.
When the Autotune procedure is complete, gain values are
displayed. You can use these values to determine the quality of
the Autotune procedure.
Autotune Gain Values
After the autotune procedure is complete, you can review the
gain values provided on the helm control. You can record these
numbers for reference if you want to run the autotune procedure
at a later time or if you want to manually adjust the gain settings
(not recommended)
(Adjusting the Autopilot Gain
Gain: Sets how tightly the autopilot holds the heading and how
aggressively it makes turns.
Counter Gain: Sets how aggressively the autopilot adjusts any
over-steering after making a turn.
Setting North
Before you can begin this procedure, you must have a large
stretch of open water available.
NOTE: If you followed the guidelines when mounting the CCU,
this procedure may not be necessary
Connection
Considerations).
This procedure appears if the autopilot is connected to an
optional GPS device
(Connecting Optional NMEA 2000 Devices
to the Autopilot
System), and the device has acquired a GPS
Settings).
(CCU Mounting and