Humminbird 997c SI Combo, Installation And Operation Manual

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Bottom Lock
(Sonar Zoom View only)
Bottom Lock changes the mode of the Zoomed view in the Sonar Zoom View.
To turn on Bottom Lock:
1. In the Sonar Zoom View, highlight Bottom Lock on the Sonar
X-Press™ Menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the
Bottom Lock setting to on. (Off, On, Default = Off).
Bottom Range
(Sonar Zoom View only, when Bottom Lock is On)
Bottom Range allows you to control how much of the water column,
measured up from the bottom, is shown in the Sonar Zoom View. Choose a
small value to see low-lying bottom structure or details of the bottom return.
Choose a larger value to see large structure in deeper water. It is possible
to set the Bottom Range to be greater than the depth. In this case, you may
see surface clutter in a wavy band that mirrors changes in the depth.
To adjust the Bottom Range:
1. In the Sonar Zoom View, highlight Bottom Lock on the Sonar X-Press™
Menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the
Bottom Lock setting to on. (Off, On, Default = Off).
3. Once you turn on Bottom Lock, the Bottom Range X-Press™ menu
choice will be displayed. (10 - 60 feet or 3-20 meters [International
Models only] , Default = 15 feet)
Sonar Colors
Sonar Colors allows you to select which
color palette you would like to use for the display.
To change the Sonar Colors:
1. Highlight Sonar Colors on the Sonar X-Press™ menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the
color palette. (Standard, Gray, Inverse, Green, Default = Standard)
Cancel Navigation
(only when Navigating)
Cancel Navigation discards the current route and exits Navigation Mode.
This menu choice will only appear when you are currently navigating a route.
This will not delete a previously-saved route.
To Cancel Navigation:
1. Highlight Cancel Navigation on the Sonar X-Press™ menu.
2. Use the RIGHT 4-WAY Cursor Control key to initiate canceling
navigation.
3. The Confirm dialog box will appear. To cancel navigation, press the
RIGHT Cursor key once more. To avoid canceling navigation, press
the LEFT Cursor key.
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