Thank You, Table of Contents | Humminbird 47, 531338-1

M47_Man_Eng_531338-1_A.qxd 12/13/2004 12:35 PM Page 2

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® is designed for trouble-free use in even the harshest marine environment. In the unlikely event that your Humminbird® 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 unit. 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 1-800-633-1468 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.

Fish ID+™, FishingGPS®, Humminbird®, Matrix™, RTS®, SmartCast®, Structure ID®, Total Screen Update®, WeatherSense®, WhiteLine®, and X-Press™ Menu are trademarked by or registered trademarks of Humminbird®.

Table of Contents
How Sonar Works	1
3D Sonar	2
2D Sonar	2
What’s On the Display (3D View)	3
What’s On the Display (2D View)	5
Views	7
3D Sonar View	7
3D/2D Sonar Combo View	9
6-Beam Sonar View	10
2D Sonar View	11
Real Time Sonar (RTS®) Window	12
2D Zoom View	13
2D Big Digits View	14
Bottom Presentation	15
Key Functions	17
POWER/LIGHT Key	17
VIEW Key	17
MENU Key	17
4-WAY Cursor Control Key	18
EXIT Key	18
Accessory Bus	19
Powering Up the Unit	19
The Menu System	20
Start-Up Options Menu	22
Normal Operation	22
Simulator	23
System Status	23
PC Connect (with PC Connect Cable Only)	24