2.PAGES – Pressing this and the ← → arrow keys switches the unit between the four different page screens. (Satellite Status Page, Navigation Page, Map Page and Sonar Page.) Each page represents one of the unit's major operation modes.

3.MENU – Press this key to show the menus and submenus, which allow you to select a command or adjust a feature. This also accesses search functions for streets, intersections, addresses and highway exits.

4.ARROW KEYS – These keys are used to navigate through the menus, make menu selections, enter data and move the map and sonar chart cursors.

5.ENT/ICONS (Enter & Icons) – This key allows you to save data, accept values or execute menu commands. It is also used to create event marker icons.

6.EXIT – The Exit key lets you return to the previous screen, clear data and close menus.

7.WPT – (Waypoint) The Waypoint key is used to save and recall waypoints, search for waypoints and access the waypoint list. It also launches the Point-of-Interest (POI) search menus and is involved in some navigation functions.

8.ZOUT – (Zoom Out) – This key lets you zoom the screen out. On the Sonar Page, this key returns you to a full sonar chart display, showing the entire water column from surface to bottom. On the Map Page, this lets you see a larger geographic area on the map. Less detail is seen as you zoom out.

9.ZIN – (Zoom In) – This key lets you zoom the screen in. On the Sonar Page, this key enlarges fish signals and bottom detail. On the Map Page, zooming in lets you see greater detail in a smaller geographic area on the map.

Power/lights on and off

To turn on the unit, press PWR. As the unit powers up, the Map Page is displayed first. To switch to the Sonar Page, press PAGESEXIT.

To turn on the backlight, press PWR again. The unit has three backlight levels to select from. Repeatedly pressing PWR will cycle through the backlight settings and turn off the backlight.

Turn off the unit by pressing and holding the PWR key for 3 seconds.

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Lowrance electronic LCX-20C manual Power/lights on and off