Humminbird 531427-1_D - Manual (Page 53)

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Bottom Lock
(Sonar Zoom view only)
Bottom Lock changes the mode of the Zoomed view in the Sonar Zoom View. Bottom Lock
continuously graphs the bottom at a constant point on the display regardless of changes in depth.
This "flattens" out the bottom contour, but is effective at showing fish on or near the bottom.
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)
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-PressTM 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.
4. The Save Current Route dialog box will appear. Use the RIGHT 4-WAY Cursor key to save
the route or the LEFT 4-WAY Cursor key to decline saving the route.