Humminbird 747c, 777c2 manual ii

ii
How Sonar Works 1
DualBeam PLUS™ Sonar.......................................................................................................... 3
QuadraBeam PLUS™ Sonar(with optional-purchase QuadraBeam PLUS™ transducer) ........4
WideSide® Sonar (with optional-purchase WideSide® transducer) .......................................... 5
Universal Sonar 2...................................................................................................................... 6
What’s On the Display 7
Views 9
Sonar View .............................................................................................................................. 10
Understanding Sonar History.................................................................................................. 11
Real Time Sonar (RTS®) Window............................................................................................ 12
Freeze Frame and Cursor........................................................................................................ 12
Bottom Presentation................................................................................................................ 13
Sonar Zoom View.................................................................................................................... 15
200/83 kHz Split Sonar View.................................................................................................. 16
Big Digits View........................................................................................................................ 17
Circular Flasher View.............................................................................................................. 18
Side Beam View(with optional-purchase QuadraBeam PLUS™ transducer).......................... 19
WideSide® View (with optional-purchase WideSide® transducer).......................................... 22
Key Functions 23
POWER/LIGHT Key ..................................................................................................................23
VIEW Key ................................................................................................................................ 23
MENU Key .............................................................................................................................. 24
4-WAY Cursor Control Key ......................................................................................................24
EXIT Key .................................................................................................................................. 25
Accessory Bus 26
Powering Up the Unit 27
The Menu System 28
Start-Up Options Menu 30
Normal Operation.................................................................................................................... 30
Simulator ................................................................................................................................31
System Status ........................................................................................................................ 32
Self Test.................................................................................................................................... 32
Accessory Test ........................................................................................................................ 33
PC Connect (with PC Connect Cable Only).............................................................................. 33
Table of Contents
531526-1_A - 747c_&_777c2_Man_Eng.qxp 10/2/2006 1:40 AM Page 3