Managing and Clearing the Track LogThe rest of the track setup window displays the per-centage of available memory currently used to storetrack log data, as well as function fields to clear thetrack log memory and activate the TracBack feature.To clear the track log:1. Highlight ‘CLEAR LOG?’, and press E.2. Highlight ‘Yes?’, and press E.Note: It’s a good idea to clear the track log at theend of the trail head, etc., in order to make the best useof the TracBack feature.Menu PageThe GPS 12XL’s Menu Page provides access to addi-tional pages (submenus) that are used to select and cus-tomize operation and navigation setup. These eightpages are divided into categories by function. We’vealready gone over the waypoint and route managementpages in their respective sections. Let’s review the rest ofthese pages in the order they appear on the Menu Page.To select a submenu page from the Menu Page:1. Highlight the page, and press E.2. To return to the Menu Page, press Q.Distance and Sun CalculationsThe distance and sun calculation page will give youthe distance and bearing between any two waypoints orbetween your present position and a waypoint. It willalso calculate the sunrise and sunset (in local time) for aparticular date at either your present position or anystored waypoint.To perform a distance and sun calculation:1. Highlight the ‘FROM’ field, enter the desired waypoint,and press E.2. Highlight the ‘TO’ field, enter the destination waypoint,and press E.3. The ‘DATE’ field will become highlighted. Enter thedate you’ll arrive at your destination, and press E.If you haven’t marked your present position as awaypoint or you leave the ‘TO’ field blank, the sunriseand sunset at your present position will be shown.Track Log &Distance/SunCalculationREFERENCE40Clear the track log anytime your screen gets clut-tered or to make moreroom to store points to beused for a TracBack.The GPS 12XL will calcu-late the sunrise and sunsettimes of any stored way-point or your present posi-tion. To calculate, enterthe date and year andpress ENTER.