Thank You, Table of Contents | Humminbird AS GR4 specification

Thank You!

Thank you for choosing Humminbird®, America's #1 name in fishfinders. Humminbird® has built its reputation by designing and manufacturing top-quality, thoroughly reliable marine equipment. Your Humminbird® accessory is designed for trouble-free use in even the harshest marine environment. In the unlikely event that your Humminbird® accessory does require repairs, we offer an exclusive Service Policy - free of charge during the first year after purchase, and available at a reasonable rate after the one-year period. For complete details, see the separate warranty card included with your accessory. We encourage you to read this operations manual carefully in order to get full benefit from all the features and applications of your Humminbird® product.

Contact our Customer Resource Center at either 1-334-687-0503 or visit our website at

www.humminbird.com.

WARNING! This device should not be used as a navigational aid to prevent collision, grounding, boat damage, or personal injury. When the boat is moving, water depth may change too quickly to allow time for you to react. Always operate the boat at very slow speeds if you suspect shallow water or submerged objects.

WARNING! Disassembly and repair of this electronic unit should only be performed by authorized service personnel. Any modification of the serial number or attempt to repair the original equipment or accessories by unauthorized individuals will void the warranty. Handling and/or opening this unit may result in exposure to lead, in the form of solder.

WARNING! This product contains lead, a chemical known to the state of California to cause cancer, birth defects and other reproductive harm.

Humminbird®, HumminbirdPCTM, X-PressTMMenu, Structure ID®, SmartCastTM and WeatherSenseTM are trademarked by or registered trademarks of Techsonic Industries, Inc.

Table of Contents
GR4 GPS Connection Kit	1
How GPS Works	1
Connecting a GR4 GPS Receiver to the Matrix	2
GPS Receiver Installation	3
Stem Mount with 1” - 14 Thread	4
Access Under Mounting Location	5
No Access Under Mounting Location	6
Finish Routing the Cable and Check Operation	6
Views	7
Bird's Eye View	7
Track View	8
Combo View	9
View Orientation	9
Introduction to Navigation	10
Waypoints, Routes and Tracks	10
Save, Edit or Delete a Waypoint	11
Navigate to a Waypoint or Position	12
Add a Waypoint Target or Trolling Grid	12
Save or Clear a Current Track	13
Edit, Delete or Hide Saved Tracks	14
The Menu System	15
Start-Up Options Menu	17
Normal Operation	17
Simulator	18
System Status	18
PC Connect (with PC Connect Cable Only)	19
Sonar X-Press™ Menu (Sonar Views Only)	20
Mark	20
Navigation X-Press™ Menu (Navigation Views Only)	21
Mark	21
Zoom	21
Go To	22
Save Current Track	22
Clear Current Track	22
Skip Next Waypoint (Only When Navigating)	23
Cancel Navigation (Only When Navigating)	23
Remove Target (Only If Target is Active)	23
Remove Grid (Only If Grid is Active)	24
Sonar Window (Combo View Only)	24
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