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With the engine (or engines) running, compare the RPM 

readings on the helm control with the tachometer (or 

tachometers) on the dashboard of your boat.
If the RPM numbers do not align, there may be a problem 

with the NMEA 2000 speed source or connection.

Reviewing the Results of the Dockside Wizard

The helm control displays the values you chose when you ran 

the Dockside Wizard.

1

Examine the results of the Dockside Wizard.

2

Select any incorrect value, and select 

Select

.

3

Correct the value.

4

Repeat steps 2–3 for all incorrect values.

5

When you are finished reviewing the values, select 

Done

.

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.

• On sailboats, the sails must be lowered.
• On sailboats, the motor must remain in a position that drives 

the boat in a straight direction.

Performing the Sea Trial Wizard

1

Drive your boat to an open area of calm water.

2

Select 

Menu

 > 

Setup

 > 

Dealer Autopilot Configuration

 > 

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 - N2K 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 - N2K 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 (

Calibrating the Compass

).

8

Perform the 

Autotune

 procedure (

Performing the Autotune 

Procedure

).

9

Set north (

Setting North

) if GPS-heading information is 

available, or set the fine heading adjustment (

Setting the Fine 

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

, and continue to drive in a 

straight line.

• If you are performing this procedure outside of the Sea 

Trial Wizard, from the heading screen, select 

Menu

 > 

Setup

 > 

Dealer Autopilot Configuration

 > 

Automated 

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.

• 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 the level of the boat 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

, and continue to drive in a 

straight line.

• If you are performing this procedure outside of the Sea 

Trial Wizard, from the heading screen, select 

Menu

 > 

Setup

 > 

Dealer Autopilot Configuration

 > 

Automated 

Setup

 > 

Autotune

 > 

Begin

.

The boat performs various zigzag motions while the Autotune 

is in progress.

NOTE: 

During the Autotune procedure, the number of zigzag 

cycles remaining counts down on the helm control. You can 

stop the procedure at any time, but allowing the procedure to 

complete on its own gives the best results .

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 sucessful, and you have 

reached maximum cruising speed, reduce your speed to 

9

Summary of Contents for GHP Reactor Mechanical

Page 1: ...bing and a heat gun Marine sealant Portable or handheld compass to test for magnetic interference Anti seize lubricant optional NOTE Mounting screws are provided for the main components of the autopilot system If the provided screws are not appropriate for the mounting surface you must provide the correct types of screws Mounting and Connection Considerations The autopilot components connect to ea...

Page 2: ...ive unit cannot be extended The ECU must be mounted in a location where it will not be submerged or exposed to wash down The ECU power cable connects to the boat battery and it can be extended if needed Power Cable Extensions Drive Unit Mounting and Wiring Considerations If a compatible drive unit is not already installed on your boat the drive unit is sold separately and must be installed by an e...

Page 3: ...oid Drive Unit If you are using the autopilot with a drive unit not sold by Garmin or a solenoid drive unit you must also install a Garmin rudder feedback sensor recommended or connect to an existing rudder feedback sensor using a rudder feedback cable sold separately Drive Unit Installation Alarm The alarm provides audible alerts from the autopilot system and should be installed near the helm con...

Page 4: ...ol into the cutout 13Securely fasten the helm control to the mounting surface using the supplied screws If you are mounting the helm control in fiberglass you should use an anti seize lubricant as advised in the notice 14Snap the decorative bezel À into place Mounting the CCU 1 Determine the mounting location 2 Using the CCU as a template mark the two pilot hole locations on the mounting surface 3...

Page 5: ...ade Connecting to an Existing Drive Unit You must install a drive unit power cable to use a drive unit not sold by Garmin with the GHP Reactor Mechanical autopilot This cable is sold separately These instructions do not apply to a solenoid type drive unit Connecting to a Solenoid Drive Unit 1 If necessary use the installation instructions provided with the drive unit to install it on your boat 2 I...

Page 6: ...eedback cable not included to your drive unit based on the wire colors and functions in the table If necessary the cable can be extended using 22 AWG 0 33 mm2 wire Wire Color Function Red Rudder feedback positive Black Rudder feedback negative Yellow Rudder feedback wiper 5 Connect the rudder feedback cable to the ECU Connecting the CCU 1 Route the connector end of the CCU cable to the ECU and mak...

Page 7: ...d the T connector 7 Repeat steps 2 through 6 for the CCU Connecting Optional Devices to the Autopilot System You can use advanced features of the autopilot system by connecting optional NMEA 2000 compatible devices such as a wind sensor a water speed sensor or a GPS device to the NMEA 2000 network You can connect optional devices that are not NMEA 2000 compatible to the helm control through NMEA 0...

Page 8: ...ntrol of the rudder 4 Without touching the rudder or helm control allow the autopilot to calibrate the rudder 5 Select an option If the calibration did not complete successfully repeat steps 1 through 4 If the calibration completed successfully select OK Enabling the Shadow Drive If you installed the autopilot on a boat with a hydraulic steering system you can install a Garmin Shadow Drive valve s...

Page 9: ...ght line If you are performing this procedure outside of the Sea Trial Wizard from the heading screen select Menu Setup Dealer Autopilot Configuration Automated 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 calib...

Page 10: ...ing until it matches north on the magnetic compass 3 After the fine heading setting matches north on the magnetic compass select Done Testing and Adjusting the Configuration NOTICE Test the autopilot at a slow speed After the autopilot has been tested and adjusted at a slow speed test it at a higher speed to simulate normal operating conditions 1 Drive the boat in one direction with the autopilot ...

Page 11: ...Dealer Autopilot Configuration Steering System Setup Drive Unit Class 3 Select Other or Solenoid according to the setting chosen in the Dockside Wizard 4 Select an option Select Generic Tune to re run the tuning procedure you completed during the Dockside Wizard Tuning an Existing Drive Unit Select Drive Unit Voltage to adjust the drive unit voltage according to the specifications provided by your...

Page 12: ...ive Unit Class 2 Select Other or Solenoid according to your selection in the Dockside Wizard 3 Select Advanced Tuning Tune Error Tolerance 4 Center the rudder position let go of the rudder control and select Begin 5 Select Tune The rudder position moves from 5 to 5 each time you select Tune and the drive unit steers the rudder accordingly 6 After the drive unit stops observe the Rudder Error and P...

Page 13: ...ire Rx A from the helm control and the green wire Rx B from the helm control must be connected to NMEA 0183 ground À NMEA 2000 network provides power to the helm control Á 12 Vdc power source  Helm control à NMEA 0183 compatible device Wire Helm Control Wire Color Function NMEA 0183 Compatible Device Wire Function Ê N A Power Ë Green Rx B connect to NMEA 0183 ground NMEA 0183 ground Ì Blue Tx A R...

Page 14: ...129283 Cross track error 129284 Navigation data 130306 Wind data Helm Control Type PGN Description Transmit and receive 059392 ISO Acknowledgment 059904 ISO Request 060928 ISO Address Claim 126208 NMEA Command Request Acknowledge Group Function Type PGN Description 126464 Transmit Receive PGN List Group Function 126996 Product Information Transmit only 128259 Water Speed 129025 Position Rapid Upda...

Page 15: ...RPM Limit Allows you to adjust the lowest RPM point of your boat If the value does not match the value on the helm control you can adjust the value High RPM Limit Allows you to adjust the highest RPM point of your boat If the value does not match the value on the helm control you can adjust the value Max Speed Allows you to adjust the maximum speed of your boat If the value does not match the valu...

Page 16: ...lace Contacting Garmin Product Support Go to www garmin com support and click Contact Support for in country support information In the USA call 913 397 8200 or 800 800 1020 In the UK call 0808 2380000 In Europe call 44 0 870 8501241 Garmin and the Garmin logo are trademarks of Garmin Ltd or its subsidiaries registered in the USA and other countries GHP GHC Reactor and Shadow Drive are trademarks ...

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