Humminbird 981 Viewing Cartography (987c SI Combo models only) 40 Navigation (, The Menu System 46 Start-Up Options Menu 47, Sonar X-Press Menu 50, Side Imaging X-Press Menu 54, Navigation X-Press Menu (987c SI Combo models only) 56, Sonar Menu Tab 59

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TABLE OF CONTENTS
Chart/Bird’s Eye Combo View (987c SI Combo models only).......................................... 38
Chart View (987c SI Combo models only) .............................................................................. 39
Chart/Sonar Combo View (987c SI Combo models only) ................................................ 39
Chart/Side Combo View (987c SI Combo models only).................................................... 40
Chart Orientation (987c SI Combo models only) ................................................................ 40
Viewing Cartography (987c SI Combo models only) 40
Navigation (987c SI Combo models only) 41
Waypoints, Routes and Tracks ............................................................................................ 42
Save, Edit, or Delete a Waypoint ........................................................................................ 42
Navigate to a Waypoint or Position .................................................................................. 43
Add a Waypoint Target or Trolling Grid .......................................................................... 44
Save, Edit or Delete a Route ................................................................................................ 45
Save or Clear a Current Track .............................................................................................. 45
Edit, Delete or Hide Saved Tracks ...................................................................................... 45
The Menu System 46
Start-Up Options Menu 47
Normal Operation.................................................................................................................... 48
Simulator .................................................................................................................................. 48
System Status .......................................................................................................................... 48
Self Test........................................................................................................................................ 48
Accessory Test............................................................................................................................ 49
GPS Diagnostic View (987c SI Combo models only) .......................................................... 49
Sonar X-Press™ Menu 50
Active Side.................................................................................................................................. 50
Split Position.............................................................................................................................. 50
Sensitivity .................................................................................................................................. 51
Upper Range (Advanced, Sonar, Split Sonar and Active Sonar Side Views only) .............. 51
Lower Range .............................................................................................................................. 52
Chart Speed .............................................................................................................................. 52
Zoom Level (Sonar Zoom View, 981c SI models only) .......................................................... 52
Bottom Lock (Sonar Zoom View only) .................................................................................... 53
Bottom Range (Sonar Zoom View only, when Bottom Lock is On) .................................... 53
Sonar Colors................................................................................................................................ 53
Side Imaging X-Press™ Menu 54
Active Side .................................................................................................................................. 54
Split Position.............................................................................................................................. 54
SI Side .......................................................................................................................................... 55
SI Sensitivity .............................................................................................................................. 55
SI Range ...................................................................................................................................... 55
Chart Speed .............................................................................................................................. 55
SI Colors ...................................................................................................................................... 56
Navigation X-Press™ Menu (987c SI Combo models only) 56
Active Side .................................................................................................................................. 57
Split Position .............................................................................................................................. 57
Save Current Track .................................................................................................................. 57
Clear Current Track .................................................................................................................. 57
Save Current Route (Only When Navigating)...................................................................... 58
Skip Next Waypoint (Only When Navigating) .................................................................... 58
Cancel Navigation (Only When Navigating) ........................................................................ 58
Remove Target (Only If a Target is Active) ............................................................................ 58
Remove Grid (Only If a Grid is Active) .................................................................................... 59
Sonar Menu Tab 59
Beam Select .............................................................................................................................. 60
Side View Frequency................................................................................................................60
Fish ID+™ .................................................................................................................................... 60
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