Humminbird 737 - Manual (Page 3)

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How Sonar Works 1
QuadraBeam PLUS™ Sonar.................................................................................................................................... 3
DualBeam PLUS™ Sonar ........................................................................................................................................ 3
WideSide® Sonar (with optional-purchase WideSide® transducer)............................................................ 4
Universal Sonar 2 .................................................................................................................................................... 4
How GPS and Cartography Work (with optional-purchase GPS Receiver) 5
Multi-Media Card (MMC)/SD Slot .................................................................................................................... 6
Software Updates .................................................................................................................................................... 6
What’s On the Display 7
Views 9
Sonar View .............................................................................................................................................................. 10
Understanding Sonar History ............................................................................................................................ 11
Real Time Sonar (RTS®) Window........................................................................................................................ 11
Freeze Frame ............................................................................................................................................................ 11
Bottom Presentation ............................................................................................................................................ 12
Sonar Zoom View .................................................................................................................................................. 14
200/83 kHz Split Sonar View ............................................................................................................................ 15
Big Digits View........................................................................................................................................................ 16
Circular Flasher View ............................................................................................................................................ 16
Snapshot and Recording View............................................................................................................................ 17
Side Beam View...................................................................................................................................................... 22
WideSide® View (with optional-purchase WideSide® transducer).......................................................... 25
Bird's Eye View (with optional-purchase GPS receiver) .............................................................................. 26
Chart View (with optional-purchase GPS receiver) ...................................................................................... 27
Combo View (with optional-purchase GPS receiver) .................................................................................. 28
View Orientation (with optional-purchase GPS receiver) .......................................................................... 28
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