Humminbird Matrix 20 - Manual (Page 3)

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How Sonar Works 1
Single Beam Sonar...................................................................................................................... 2
DualBeam PLUS™ Sonar ............................................................................................................ 2
QuadraBeam® Sonar ................................................................................................................ 2
What’s On the Display 3
Views 5
Sonar View .................................................................................................................................. 5
Understanding Sonar History .................................................................................................. 6
Real Time Sonar (RTS™) Window ............................................................................................ 7
Sonar Zoom View ...................................................................................................................... 8
200/83 kHz Split Sonar View (DualBeam PLUS™ and QuadraBeam® Only) .................. 9
Big Digits View .......................................................................................................................... 10
Side Beam View (QuadraBeam® Only) .................................................................................. 11
Bottom Presentation ................................................................................................................ 12
Key Functions 14
POWER/LIGHT Key .................................................................................................................. 14
VIEW Key .................................................................................................................................. 14
MENU Key .................................................................................................................................. 15
4-WAY Cursor Control Key ...................................................................................................... 15
EXIT Key .................................................................................................................................... 16
Accessory Bus 17
Powering Up the Unit 17
The Menu System 18
Start-Up Options Menu 20
Normal Operation .................................................................................................................... 20
Simulator .................................................................................................................................. 21
System Status .......................................................................................................................... 22
PC Connect (with PC Connect Cable Only)............................................................................ 22
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