GPSMAP 198C Sounder Owner’s Manual 39M AIN MENU > GPS TABM AIN MENUThe GPSMAP 198C Sounder’s Main Menu provides access tovarious waypoint, system, navigation, interface management,and setup menus. The 19 Menu tabs are divided into categoriesby function. The Main Menu is available from any page in thesystem, and is accessed by pressing MENU twice. See page 6 foradditional instructions on changing settings and entering data.Main MenuTabsSub TabsMain MenuTo select a Menu tab from the Main Menu Page:1. Press up or down on the ROCKER to highlight a tab. Theinformation for the highlighted tab automatically appearsto the right. If you want to select any of the sub tab items,press right on the ROCKER, then press up or down toselect individual items.2. Either press MENU for additional submenu options, or pressENTER to make changes to the highlighted item. Press lefton the ROCKER to get back to the Main Menu.3. Press QUIT to return to the Main Menu.GPS TabThe GPS tab provides a visual reference of satellite acquisition,receiver status, and accuracy. The status information providesan idea of what the receiver is doing at any given moment. Thesky view and signal strength bars give you an indication of whatsatellites are visible to the receiver and whether or not they arebeing tracked. The signal strength is shown on a bar graph for eachsatellite, with the satellite number below. As the receiver locks ontosatellites, a signal strength bar appears for each satellite in view.The progress of satellite acquisition is shown in three stages: