Garmin 300XL Pilot's Manual And Reference

Garmin 300XL Pilot's Manual And Reference Manual pdf 116 page image

106SECTION7 UNIT SETTINGSDisplay SettingsTo change the display contrast settings:1. Press and hold M and rotate O to show the ‘Display’ settings page.2. Press C twice and use K to select ‘auto’ or ‘manual’ control.3. Press E.4. If ‘manual’ is selected, use K to set the display contrast level. (If ‘auto’ is selected you mayalso change the offset level to your preference.)5. Press C to complete.The ‘mode’ selection allows you to display on-screen characters as black on a lightgreen background (positive) or light green on a black background (negative). With the‘auto’ setting the photocell selects the best mode for day or night viewing.To change the display mode settings:1. Press and hold M, and rotate O to show the ‘Display’ settings page.2. Press C twice and use O to highlight the ‘mode’ field.3. Rotate K to select ‘pstv’, ‘ngtv’ or ‘auto’.4. If ‘auto’ is selected, rotate O to highlight the threshold level, and use K to select the levelat which the display will switch from positive to negative for night time use. (Note: Someexperimentation may be necessary to obtain the desired response level.)Setting the display mode to ‘negative’ will displayon-screen characters as light green on a blackbackground. This setting is suitable for nightoperation.The display contrast may be set to automaticallyadjust to varying lighting conditions, using thebuilt-in photocell.