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Power On 1
How Sonar Works 2
DualBeam PLUS™ Sonar (DualBeam PLUS™ models only [385ci]) ................................ 4
Down Imaging™ Sonar (Down Imaging™ models only [385ci DI]).................................. 5
Dual Beam Ice Transducer (optional-purchase XI 9 20 Ice Transducer only) .................. 6
How GPS Works 7
What’s on the Sonar Display 8
Understanding the Sonar Display .......................................................................... 10
Real Time Sonar (RTS™) Window .......................................................................... 10
SwitchFire™ ............................................................................................................ 11
Freeze Frame and Active Cursor.............................................................................. 11
Instant Image Update.............................................................................................. 11
Bottom Presentation................................................................................................ 12
What’s on the Down Imaging™ Display
(Down Imaging™ models only [385ci DI])
14
Understanding the Down Imaging™ Display ........................................................ 16
Interpreting the Display .......................................................................................... 16
Down Imaging™ Sensitivity.................................................................................... 17
Freeze Frame and Active Cursor.............................................................................. 17
Views 18
Sonar View .............................................................................................................. 20
Sonar Zoom View .................................................................................................... 21
Split Sonar View ...................................................................................................... 22
Big Digits View ........................................................................................................ 23
Down Imaging™ View
(Down Imaging™ models only [385ci DI]) ..................................24
Circular Flasher View .............................................................................................. 25
Snapshot and Recording View................................................................................ 30
Bird’s Eye View ........................................................................................................ 36
Table of Contents
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