Table Of Contents - Humminbird 343c Operation Manual

Table of Contents

How Sonar Works
DualBeam PLUS™ Sonar ...................................................................................................................... 4
What's On the Display
Views
Sonar View .............................................................................................................................................. 8
Understanding Sonar History ............................................................................................................ 9
Real Time Sonar (RTS®) Window .................................................................................................... 10
Freeze Frame ........................................................................................................................................ 10
Bottom Presentation .......................................................................................................................... 11
Sonar Zoom View ................................................................................................................................ 13
200/83 kHz Split Sonar View .......................................................................................................... 14
Big Digits View .................................................................................................................................... 15
Circular Flasher View .......................................................................................................................... 15
Key Functions
POWER/LIGHT Key ............................................................................................................................ 16
VIEW Key .............................................................................................................................................. 16
MENU Key ............................................................................................................................................ 17
4-WAY Cursor Control Key ................................................................................................................ 17
EXIT Key ................................................................................................................................................ 18
Powering Up the Unit
The Menu System
Start-Up Options Menu
Normal Operation .............................................................................................................................. 22
Simulator ............................................................................................................................................ 23
System Status .................................................................................................................................... 24
Sonar X-Press™ Menu
Sensitivity.............................................................................................................................................. 26
Upper Range
(Advanced: Sonar, Split Sonar, Big Digits and Circular Flasher Views only) ........
Lower Range ........................................................................................................................................ 28
Chart Speed .......................................................................................................................................... 29
Zoom Level
(Sonar Zoom view only)
Bottom Lock ........................................................................................................................................ 30
Bottom Range
(Sonar Zoom View only, when Bottom Lock is On)
................................................................................................ 29
ii
.............................................. 30
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