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GHP 20 Installation Instructions 

11

Configuring the GHP 20

The GHP 20 must be configured and tuned to your boat dynamics and 

motor configuration. Use the dockside wizard (if applicable) and the sea 

trial wizard on the GHC 10 to configure the GHP 20. These wizards will 

walk you through the necessary configuration steps.

about the Dockside Wizard

Notice

If you perform the dockside wizard while your boat is out of the water, 

provide rudder-movement clearance to avoid damage to the rudder or 

other objects.
You can complete the dockside wizard while your boat is in or out of 

the water. If your boat in the water, it must be stationary while you 

complete the wizard.

Performing the Dockside Wizard

Notice

Not all of the steps listed in this section may apply to your boat. If one 

of the steps listed as “if applicable” does not appear on the GHC 10, 

proceed to the next step.
1.  Turn on the GHP 20.
  The first time you turn on the GHP 20, you are prompted to 

complete a short setup sequence on the GHC 10.

2.  If necessary, complete the setup sequence.
3.  Start the dockside wizard (

page 11

).

4.  If applicable, select the vessel type.
5.  If applicable, test the steering direction (

page 11

).

6.  If applicable, select the speed source and verify the tachometer 

(

page 11

).

7.  Review the wizard results (

page 11

).

Starting the Dockside Wizard

This step may not apply to all boats. If it does not appear on the 

GHC 10, proceed to the next step.
1. After you complete the initial setup, select an option:

•  If the dockside wizard starts automatically, proceed to step 2.
•  If the dockside wizard does not start automatically, select 

Menu

 

Setup

 > 

Dealer Autopilot Configuration

 > 

Wizards

 > 

Dockside Wizard

.

2. Select 

Begin

.

testing the Steering Direction

This step may not apply to all boats. If it does not appear on the 

GHC 10, proceed to the next step.
1.  Use the arrows on the GHC 10 to test the steering direction. 
  When you select the right arrow, the rudder should turn so that the 

boat would steer to the right, and when you select the left arrow, the 

rudder should turn so that the boat would steer to the left. 

2.  Select 

Continue

.

3.  Select an option:

•  If the steering test turns the boat in the correct direction, select 

Yes

.

•  If the steering test turns the boat in the opposite direction, select 

No

.

4.  If you selected 

No

 in step 3, repeat steps 1–2.

Selecting the Speed Source

This step may not apply to all boats. If it does not appear on the 

GHC 10, proceed to the next step.
If your steering system sends tachometer information to the autopilot, it 

will be automatically selected, and no NMEA 2000 tachometer or GPS 

speed source needs to be selected.

Select an option:
•  If you connected a NMEA 2000-compatible engine (or engines) 

to the NMEA 2000 network, select NMEA 2000. 

•  If tachometer data is unavailable or unusable, select 

GPS data

 

as a speed source.

 

When GPS data is used as a speed source, the maximum 

speed for all vessel types must be configured.

•  If you did not connect a speed source, select 

None

.

 

If the autopilot does not perform well using None as the 

speed source, Garmin recommends connecting a tachometer 

or GPS as the speed source.

Verifying the tachometer

This step may not apply to all boats. If it does not appear on the 

GHC 10, proceed to the next step.
  With the engine (or engines) running, compare the RPM readings on 

the GHC 10 with the tachometer (or tachometers) on the dashboard 

of your boat.

Reviewing the Results of the Dockside Wizard

The GHC 10 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 and 3 for all incorrect values.
5.  When you are finished reviewing the values, select 

Done

.

Содержание GHP 20

Страница 1: ...mbers are located on a sticker on each component 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 Important Safety Information Warnings You are responsible for the safe and prudent operation of your vessel The GHP 20 is ...

Страница 2: ... 2000 Network for the GHC 10 and the CCU 10 Connecting Optional Devices to the GHP 20 Autopilot System 10 NMEA 0183 Connection Considerations 10 Connecting an Optional NMEA 0183 compatible Device to the GHC 10 10 Configuring the GHP 20 11 About the Dockside Wizard 11 Performing the Dockside Wizard 11 Starting the Dockside Wizard 11 Testing the Steering Direction 11 Selecting the Speed Source 11 Ve...

Страница 3: ...th the CCU The GHC 10 also connects with optional NMEA 2000 compatible devices such as a GPS device to use advanced features of the GHP 20 If NMEA 2000 compatible devices are not available you can connect the GHC 10 to optional NMEA 0183 compatible devices instead Serial Number Cables and Connectors The GHP 20 autopilot system includes multiple cables These cables connect the components to power t...

Страница 4: ...eded Safety glasses Drill and drill bits 3 1 2 in 90 mm hole saw Wire cutters strippers Phillips and flat screwdrivers Cable ties Waterproof wire connectors wire nuts or heat shrink tubing and a heat gun Marine sealant Portable or handheld compass to test for magnetic interference when determining the best location to install the CCU Anti seize lubricant optional Note Mounting screws are provided ...

Страница 5: ...s NOTICE Do not connect the steering controller cable to a NMEA 2000 network The GHP 20 requires a powered CAN bus to communicate with the steering controller Ensure that the steering controller CAN bus is properly powered and terminated Consult the boat manufacturer if needed The steering controller cable connects the CCU to the steering controller of the boat and provides 9 5 ft 3 m of cable bet...

Страница 6: ...ne using the supplied cables and connectors page 10 NMEA 2000 power cable This cable should be installed only if you are building a NMEA 2000 network Do not install this cable if there is an existing NMEA 2000 network on your boat page 10 The NMEA 2000 power cable must be connected to a 9 16 Vdc power source CCU Mount the CCU with the cables pointing straight down page 7 Steering controller cable ...

Страница 7: ...y in the bracket Do not overtighten the thumbscrew Connecting the CCU 1 Route the five pin connector end of the steering controller cable to the steering system access location on your boat page 7 2 Route the orange and blue wires to the location where you plan to install the alarm page 7 If the cable is not long enough extend the appropriate wires with 28 AWG 08 mm2 wire Alarm Installation The al...

Страница 8: ...Using the jigsaw or the 3 5in 90 mm hole saw cut the mounting surface along the inside of the dashed line indicated on the flush mount template 5 If necessary use a file and sandpaper to refine the size of the hole 6 Place the GHC 10 into the cutout to confirm that the four mounting holes are correct 7 Select an option If the mounting holes are correct proceed to step 8 If the mounting holes are n...

Страница 9: ...ble up to 20 ft 6 m long not included 6 Connect the drop cable to the to the GHC 10 7 Connect the drop cable to the T connector you added in step 3 and to the GHC 10 Connecting the CCU to an Existing NMEA 2000 Network 1 Determine where to connect the CCU to your existing NMEA 2000 backbone page 5 2 Disconnect one side of a NMEA 2000 T connector from the network 3 If necessary to extend the NMEA 20...

Страница 10: ...optional NMEA 2000 compatible or NMEA 0183 compatible GPS device can be connected to the NMEA 2000 network or to the GHC 10 through NMEA 0183 NMEA 0183 Connection Considerations To identify the Transfer Tx A and B wires for your NMEA 0183 compatible device consult the installation instructions for your device When connecting NMEA 0183 devices with two transmitting and two receiving lines it is not...

Страница 11: ...it does not appear on the GHC 10 proceed to the next step 1 Use the arrows on the GHC 10 to test the steering direction When you select the right arrow the rudder should turn so that the boat would steer to the right and when you select the left arrow the rudder should turn so that the boat would steer to the left 2 Select Continue 3 Select an option If the steering test turns the boat in the corr...

Страница 12: ...eps 1 3 Performing the Autotune Procedure Before you can perform the autotune procedure you must have a large stretch of open water available 1 Adjust the throttle so the boat travels below planing speed 2 Select Begin The boat performs a number of zigzag motions while the Autotuning is in progress The GHC 10 displays a completion message 3 Select an option If the autotune completed successfully s...

Страница 13: ...ear 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 5 Repeat steps 2 and 3 until the GHP 20 performance is ...

Страница 14: ...the GHC 10 unconnected GHC 10 NMEA 2000 network provides power to the GHC 10 12 VDC power source NMEA 0183 compatible device Wire GHC 10 Wire Color Function NMEA 0183 Compatible Device Wire Function N A Power N A NMEA 0183 ground Blue Tx A Rx White unconnected N A Brown Rx A Tx A Green Rx B Tx B NOTE When connecting a NMEA 0183 device with only one receiving Rx line the NMEA 2000 bus and the NMEA ...

Страница 15: ... 126996 Product Information 127258 Magnetic Variation 127488 Engine Parameters Rapid Update 129025 Position Rapid Update 129026 COG SOG Rapid Update 129283 Cross Track Error 129284 Navigation Data Transmit 059392 ISO Acknowledgment 059904 ISO Request 060928 ISO Address Claim 126208 NMEA Command Request Acknowledge Group Function 126464 Transmit Receive PGN List Group Function 126996 Product Inform...

Страница 16: ...or low speeds This setting applies to the vessel when operating below planing speed If you set this value too high the autopilot may be overactive attempting to constantly adjust the heading at the slightest deviation Rudder Gains Low Speed Counter Allows you to set the rudder gain counter correction for low speeds This setting applies to the vessel when operating below planing speed If you set th...

Страница 17: ...he GHP 20 See the configuration section of the GHC 10 Owner s Manual for more information Error and Warning Messages Error Message Cause Autopilot Action Autopilot is not receiving navigation data Autopilot placed in heading hold The autopilot is no longer receiving valid navigation data while performing a Route To This message will also be shown if navigation is stopped on a chartplotter prior to...

Страница 18: ......

Страница 19: ...wing the directions starting on page 5 Mount the CCU in a location free of magnetic interference Use a handheld compass to test for magnetic interference in the area Mount the CCU in the bracket so that the wires hang straight down 4 Mount the GHC 10 by following the directions starting on page 5 5 Connect the CCU to the steering system of the boat using the steering controller cable page 7 6 Conn...

Страница 20: ...hout obligation to notify any person or organization of such changes or improvements Visit the Garmin Web site www garmin com for current updates and supplemental information concerning the use and operation of this and other Garmin products Garmin and the Garmin logo are registered trademarks of Garmin Ltd or its subsidiaries registered in the USA and other countries GHP GHC and myGarmin are trad...

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