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Table of Contents
What’s on the Sonar Display 20
Understanding the Sonar Display ............................................................................................................ 22
Real Time Sonar (RTS™) Window ............................................................................................................ 22
SwitchFire™ .............................................................................................................................................. 23
Freeze Frame and Active Cursor................................................................................................................ 23
Instant Image Update................................................................................................................................ 23
Sonar Colors and Bottom View ................................................................................................................ 24
What’s on the Side Imaging® Display
(Side Imaging® models only [1198c SI])
26
Understanding the Side Imaging® Display .............................................................................................. 28
Side Imaging® Frequencies and Coverage................................................................................................ 29
For Best Performance ................................................................................................................................ 30
On the Water Interpretation...................................................................................................................... 31
What’s on the Down Imaging™ Display (1158c DI and 1198c SI Combo models only) 34
Understanding the Down Imaging™ Display .......................................................................................... 36
Interpreting the Display ............................................................................................................................ 36
Down Imaging™ Sensitivity ...................................................................................................................... 37
Freeze Frame and Active Cursor................................................................................................................ 37
Views 38
Sonar View ................................................................................................................................................ 40
Sonar Zoom View ...................................................................................................................................... 42
Split Sonar View ........................................................................................................................................ 44
Down Imaging™ View
(1158c DI and 1198c SI only)
.................................................................................. 46
Side Imaging® View
(1198c SI only)
.......................................................................................................... 49
Snapshot and Recording View
(optional-purchase SD memory card required)
............................................ 52
Side Beam View
(with optional-purchase QuadraBeam PLUS™ transducer)
.................................................. 58
Bird’s Eye View .......................................................................................................................................... 62
Chart View.................................................................................................................................................. 64
Combo Views ............................................................................................................................................ 66
Combo Views: Functions .......................................................................................................................... 66
Side Imaging®/Sonar Combo View
(1198c SI only)
.................................................................................... 67
Chart/Bird’s Eye Combo View .................................................................................................................. 68
Chart/Chart Combo View .......................................................................................................................... 69
Chart/Sonar Combo View.......................................................................................................................... 70
Chart/Side Imaging® Combo View
(1198c SI only)
.................................................................................... 71