9 - AUX PAGES171190-00356-00 Rev BSetup 2Setup 2 PageTo select, highlightwith cursor andpress ENT.Fourth Pagein AUX groupThe Setup 2 page provides access to display adjust-ments, parameters which define the nearest airportsearch, and COM transceiver channel spacing. Whenan item is selected, the corresponding page will appearproviding access to the various unit settings.To select an item from the Setup 2 page:1. Press the small right knob momentarly, toactvate the flashng cursor.2. Turn the large right knob to select the desredsetup tem, and press ENT.The following setup items are available:Display— allows you to adjust the display foroptimum viewing in any condition. Automatic back-lighting is available which uses a built-in photocell(at the top left corner of the display bezel) to makethe proper display adjustments without any userintervention. Automatic contrast adjustment variesthe screen contrast level based upon current unittemperature. You may also select manual control ofthe display contrast and backlighting to tailor the400W-series unit display to your needs.NOTE: Display backlighting changes are notsaved when the 400W-series unit is turned off.Backlighting will revert to the “Auto” setting thenext time the unit is turned on.Nearest Airport Criteria— defines the minimumrunway length and surface type used when deter-mining the 25 nearest airports to display on thenearest airport page. A minimum runway lengthand/or surface type may be entered to prevent air-ports with small runways, or runways that are notof appropriate surface, from being displayed. Thedefault settings are “0 feet (or meters)” for runwaylength and “any” for runway surface type.SBAS Selection— selects the Space Based Aug-mentation System (SBAS) used for navigation andallows turning WAAS on and off.