Garmin GPS III A Owner's Manual

Also see for GPS III: Declaration of conformity Quick guide Owner's manual Owner's manual

Garmin GPS III A Owner's Manual Manual pdf 77 page image

System SettingsBacklight lets you keep the screen/keypad backlighting on continuously (‘always on’)when selected, or enable the automatic shutoff to preserve battery life. Automatic shutofftimes from 15 seconds to 4 minutes (since last key press) are available.To set the backlight timeout:1. Highlight the ‘Backlight’ field and press ENTER.2. To keep backlighting on continuously, select ‘Always On’ and press ENTER, OR3. To set a timeout duration, select the desired time period and press ENTER.Battery is used to designate the type of batteries currently being used to power your GPSIII: Alkaline, Lithium or NiCad. This setting ensures accurate readings from the batterygauge on the Satellite Status Page (see page 27).Contrast lets you adjust the screen for optimum viewing in all lighting conditions. Screencontrast is set using an on-screen bar scale. Contrast can also be set from the SatelliteStatus Page, as described on page 25.To set the screen contrast:1. Highlight the ‘Contrast’ field and press ENTER.2. Use the LEFT/RIGHT keys on the rocker keypad to select desired level and press ENTER.Display allows you set the display orientation to horizontal (‘Landscape’) or vertical(‘Portrait’).NOTE: Display orientation can also be changed by pressing and holding the PAGE key.You can adjust the screencontrast from the SatelliteStatus Page or from the‘System’ settings.Display orientation isadjustable by pressing/holdingthe PAGE key or from the‘System’ settings.69REFERENCESetup Menu: System#?