Changing the Temperature DisplayThe graph adjusts and shows the temperature changes according tothe Temperature Scale and Time Duration settings.Temperature Scale—allows you to select a degree span from thelist. Select Auto to automatically determine the best range, or selecta span of 2, 4, 6, 8, or 10 degrees.Time Duration—allows you to set how fast or slow the temperaturelog scrolls; a shorter time duration means a faster temperature logscroll. Select a duration from 1 minute to 2.5 hours.Resetting the Temperature GraphTo reset the scale range for the temperature graph, press Menu,highlight Reset Auto Scale, and press Enter. You can reset the scaleonly when you select Auto for the Temperature Scale.To restore the temperature graph to defaults, press Menu, highlightRestore Default, and press Enter.appendIxSpecificationsPhysical SpecificationsSize: 5.9” × 6.4” × 2.9” (15.0 × 16.3 × 7.4 cm)Weight: 13.6 oz (0.39 kg)Display: 5" WQVGA display with backlighting (480 ×272 pixels)Case: Fully gasketed, high-impact plastic alloy,waterproof to IEC 60529 IPX7Temp. Range: 5°F to 140°F (-15°C to 60°C)PowerSource: 10–36 VDCFuse: AGC /3AG - 3.0 AmpMap & MemoryBasemap: Worldwide basemapMap compatability: Garmin g2® Bluechart (optional)Waypoint: up to 6000 pointsRoute: 150 ; 250 pts/routeActive track: 50,000 points78 GPSMAP 580/585 Owner’s ManualAppendix