Humminbird 797c2 si combo Manuel D’Utilisation

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How Sonar Works

1

Side Imaging Sonar.................................................................................................... 3

DualBeam PLUS™ Sonar .......................................................................................... 3

QuadraBeam PLUS™ Sonar 

............................................ 4

Universal Sonar 2 ...................................................................................................... 5

How GPS and Cartography Work

5

Multi-Media Card (MMC)/SD Slot

7

Software Updates ...................................................................................................... 7

Understanding Side Imaging 

8

What's On the Side Imaging Display ...................................................................... 10

Side Imaging Technology: How It Works .............................................................. 12

Side Imaging: On the Water Interpretation............................................................ 13

What’s On the Sonar Display 

18 

Views

20

Side Imaging View .................................................................................................. 21

Sonar/Side Combo View.......................................................................................... 23

Sonar View .............................................................................................................. 24

Understanding Sonar History.................................................................................. 25

Real Time Sonar (RTS®) Window ............................................................................ 25

Freeze Frame and Cursor ........................................................................................ 26

Bottom Presentation ................................................................................................ 27

Sonar Zoom View  ....................................................................................................30

200/83 kHz Split Sonar View .................................................................................. 31

Big Digits View ........................................................................................................ 32

Circular Flasher View .............................................................................................. 33

Snapshot and Recording View................................................................................ 34

Table of Contents

531519-1_A - 797c2_Man_Eng.qxp  11/6/2006  5:50 AM  Page i