Menu PageThe GPS 48’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 restof these pages in the order they appear on the MenuPage.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.Setup MenuThe setup menu allows the user to access the unitssystem, navigation, interface and alarms setup pages.System SetupThe system setup page is used to select the operat-ing mode, time offset, and screen preferences. The GPS48 has two operating modes:• Normal Mode operates the unit at maximumperformance, and provides battery life of up to 12hours on alkaline batteries.Menu Page&System SetupREFERENCE46The Menu Page allows theuser quick access to theunits setup pages.The GPS 48 will calculatethe sunrise and sunsettimes of any stored way-point or your present posi-tion. To calculate, enterthe date and year andpress ENTER.