53Setup OptionsMain MenuSystem PageThe System Setup Page allows you to change:GPS - Choose one of the four GPS options other than‘Normal’ to significantly save battery power. The ‘BatterySaver’ mode reduces the rate of satellite signal positionupdating and the ‘Use With GPS Off’ option stops satellitesignal reception altogether. The ‘Demo Mode’ simulatesnavigation.WAAS - Switch between ‘Enabled’ and ‘Disabled’. Seepage 5 for an explanation of WAAS capabilities.Language - Change the display to any of 14 choices.Compass - Turns the Electronic Compass on or off.Altimeter - Turns the Automatic Calibration for theAltimeter on or off. Selecting ‘Auto Calibration On’ for theAltimeter allows the unit to provide a fairly accurate read-ing within minutes of obtaining a 3D fix without requir-ing you to remain stationary. The accuracy improvesover time as the barometric pressure is compared to GPSinformation.Also shown on this page is the Amount of MemoryUsed, Power Status, Time, Date, and Backlighting Status.The ‘Memory Used’ figure refers to the non-volatilememory within your unit and cannot be adjusted directly.Saving a number of track logs and waypoints may affectthe percentage but normally will not cause any problems.The ‘Power Status’ icon changes from a “battery” toan “electric plug” when external power is connected. The‘Backlight’ icon changes from a dark outline to a “bright”outline when you press and release the POWER button.The Option Menu allows you restore defaults ordisplay the current version of unit operating software andthe Unit I.D. Number.To adjust System Page options:Use the THUMB STICK to highlight the fieldand then press in to display options. Then use theTHUMB STICK to select.System Setup Page in NormalMode, WAAS Enabled,Compass Off and AltimeterCalibration on Automatic.System Page Options Menu