Garmin GHP 12 Manuel d'instructions d'installation - Page 19
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• If you have a powerboat, select an option:
◦ Select Low Speed or High Speed and use the arrows on the
GHC 10 to adjust how tightly the rudder holds the heading
and makes turns at low speed or high speed.
If you set this value too high, the autopilot may be
overactive, attempting to constantly adjust the heading at the
slightest deviation. An overactive autopilot can cause excess
wear and tear on the drive unit, and drains the battery at a
faster-than-normal rate.
◦ Select Low Speed Counter or High Speed Counter to
adjust how tightly the rudder corrects the turn overshoot. If
you set this value too high, the autopilot can overshoot the
turn again when attempting to counter the original turn.
4. Test the autopilot configuration, and repeat steps 2 and 3 until the
GHP 12 performance is satisfactory.
Reducing the Risk of ECu Drive Circuit overload
This applies only when the GHP 12 is installed on a power boat.
If you receive an "Error: ECU Drive Circuit Overload. See manual for
tips on reducing load error" message, use these tips to help reduce the
load:
• Ensure the appropriate pump has been correctly installed on your
boat.
• If possible, use larger inside diameter hydraulic hoses on your
steering system.
• Mount the pump closer to the cylinder to limit the length of the hose
runs.
• Eliminate unneeded hydraulic fittings in the hydraulic system.
• If overloading occurs during the autotune procedure, skip the
procedure and manually tune the autopilot.
• Increase the rudder rate limiter setting to slow the fluid rate.
• Reduce rudder gain to limit pump activity.
adjusting the Rudder Rate Limiter
This applies only when the GHP 12 is installed on a power boat.
If the "ECU Drive Circuit Overload. See manual for tips on reducing
load error" message continues to appear, you may need to adjust the
rudder rate limiter.
NOTE: Complete rudder rate adjustments only at the dock or while
your boat is not moving.
NOTE: If you adjust the rudder rate limiter, you must perform the
autotune procedure.
1. Enable the advanced configuration procedure
2. On the GHC 10, select Menu > Setup > Dealer Autopilot
Configuration > Autopilot Tuning > Rudder Rate Limiter.
3. Select Continue.
Autopilot takes control of the rudder.
4. Use the arrows on the GHC 10 to adjust the speed of the limiter.
• 0% is the is the default speed for the rudder rate limiter.
• Lower rudder rate limiter numbers allow the rudder to move
faster between the right rail and left rail.
• Lower rudder rate limiter numbers increase the running current.
• Higher rudder rate limiter numbers decrease the running current.
GHP 12 Installation Instructions
5. Select Done.
6. Test the rudder rate limiter settings.
7. Repeat steps 2–6 until rudder rate limiter performance is
8. Perform the autotune procedure.
advanced Configuration
Advanced configuration options are not available on the GHC 10 under
normal conditions. To access the advanced configuration settings of the
GHP 12, enable Dealer Mode.
Enabling Dealer autopilot Configuration
1. From the heading screen, select Menu > Setup > System > System
2. Press and hold the center soft key
3. Press Back > Back.
advanced Configuration Settings
You can run the Autotune automated configuration process, calibrate the
compass, and define north on the GHP 12 through the GHC 10 without
running the wizards. You can also define each setting individually,
without running the configuration processes.
Manually Running the automated Configuration
Procedures
1. Enable Dealer Mode
2. From the Heading screen, select Menu > Setup > Dealer Autopilot
3. Select Autotune, Calibrate Compass, or Set North.
4. Follow the on-screen instructions
Manually Defining Individual Configuration Settings
1. Enable Dealer Mode
2. From the Heading screen, select Menu > Setup > Dealer Autopilot
(page
19).
3. Select the a setting category.
4. Select a setting to configure.
5. Configure the value of the setting.
NOTE: Configuring certain settings in the advanced configuration
procedure may require you to modify other settings. Review the GHP
12 Configurations Settings section
settings.
satisfactory.
Information.
Dealer Mode appears.
If the option for Dealer Autopilot Configuration is available on the
Setup screen, the procedure was successful.
(page
19).
Configuration > Automated Setup.
(page
19).
Configuration.
Descriptions of each setting are available in the appendix
for 5 seconds.
➊
➊
(page
15).
(page
(page
25) prior to modifying any
25).
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