55Setup PagesReferenceDisplay Page - OverviewYou can adjust the amount of time that the backlight-ing feature stays on before timing out and adjust thescreen contrast for best viewingBacklighting Timeout - Allows you to choose fromalways On, to delays of 15 seconds, 30 seconds, one,or two minutes before timing out.Contrast Adjustment - Can be adjusted from light todark using the slider adjacent to the contrast bar.To set the backlighting timeout:1. Highlight the Backlight Timeout field and then pressin on the CLICK STICK to display options.2. Highlight the desired option and then press in on theCLICK STICK to activate it.To adjust the contrast:1. Highlight the contrast slider and then press in on theCLICK STICK to activate.2. Move the CLICK STICK Up or Down to move thecontrast slider until the desired contrast has been set.Heading Page - OverviewYou can select from three types of heading displays,and four types of North References and enter the mag-netic variation when selecting a ‘User’ reference.Display - Allows you to choose from Cardinal Letters,Degrees or Mils.North Reference - You can choose from True,Magnetic, Grid or User options. If ‘User’ is chosenyou must correct for the Magnetic Variation using dataentry techniques. The Electronic or GPS compass willuse the North Reference setting to create a bearing.To select Display and North Reference options:1. Highlight the field and then press in on the CLICKSTICK to display the options.2. Highlight the option and press in on the CLICKSTICK to activate.To set GPS and Electronic Compass Switch:1. Highlight the field you want to set and use the numericalkeyboard to enter the desired value.Display PageBacklightTimeoutOptionsHeading PageDisplayOptionsNorth ReferenceOptions