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GHP 20 Installation Instructions 

1

GHP

 20 Steer-by-Wire Installation 

Instructions

To obtain the best possible performance and to avoid damage to your 

boat, install the Garmin

®

 GHP 20 marine autopilot system according 

to the following instructions. Professional installation of the autopilot 

system is highly recommended.
This autopilot system is designed to interface with your specific type of 

boat. If you are not sure that this system is designed for use with your 

boat, contact your Garmin dealer or Garmin product support.

Read all installation instructions before proceeding with the 

installation.

 If you experience difficulty during the installation, contact 

Garmin Product Support.

NOTE:

 There is an installation checklist on the last page of these 

instructions. Remove the last page and refer to the checklist as you 

proceed through the GHP 20 installation.

Registering the Device

•  Go to 

http://my.garmin.com

•  Keep the original sales receipt, or a photocopy, in a safe place.
For future reference, write the serial number assigned to each 

component of your GHP 20 system in the spaces provided on 

page 3

The serial numbers 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 a tool that will enhance your capability to operate 

your boat. It does not relieve you from the responsibility of safely 

operating your boat. Avoid navigational hazards and never leave the 

helm unattended.
Always be prepared to promptly regain manual control of your boat.
Learn to operate the GHP 20 on calm and hazard-free open water.
Use caution when operating the GHP 20 near hazards in the water, such 

as docks, pilings, and other boats.
See the 

Important Safety and Product Information

 guide in the product 

box for product warnings and other important information.

 CautIon

Equipment to be connected to this product should have a fire enclosure 

or be provided with a fire enclosure.
Always wear safety goggles, ear protection, and a dust mask when 

drilling, cutting, or sanding.

Notice

When drilling or cutting, always check the opposite side of the surface. 

Be aware of fuel tanks, electrical cables, and hydraulic hoses.

Содержание GHP 20 Marine Autopilot System for...

Страница 1: ...bers 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...

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 th...

Страница 3: ...h 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 conn...

Страница 4: ...ded 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 g...

Страница 5: ...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 bu...

Страница 6: ...e 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 N...

Страница 7: ...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 Ro...

Страница 8: ...sing 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 siz...

Страница 9: ...le 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 N...

Страница 10: ...ptional 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 Transfe...

Страница 11: ...t 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 ste...

Страница 12: ...ps 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 spe...

Страница 13: ...ar 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...

Страница 14: ...he 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...

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 Tran...

Страница 16: ...r 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 sli...

Страница 17: ...e 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 Auto...

Страница 18: ......

Страница 19: ...ing 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 tha...

Страница 20: ...out 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 ope...

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