Garmin GPS 400W,GNC 420W Pilot's Manual & Reference

Also see for 400W Series: Supplemental Flight manual Pilot's guide addendum Manual supplement Pilot's guide addendum Quick reference guide

Contents

Garmin GPS 400W,GNC 420W Pilot's Manual & Reference Manual pdf 183 page image

9 - AUX PAGES173Setup 24. The flashing cursor moves to the minimumrunway length field. To enter a different mini-mum runway length, use the small and largeright knobs to enter the desired length. PressENT when finished.NOTE: Exercise caution when changing the Near-est Airport Criteria. Remember, by excluding cer-tain surface types or shorter runway lengths, youmay be excluding airports from the list that aremore than adequate for an emergency landing!SBAS SelectionTo enable WAAS operation, in the Setup 2 pageselect the SBAS item and then select WAAS. If WAASis disabled, the unit will not be able to fly verti-cally guided GPS approaches (LPV, LNAV/VNAV, orLNAV+V).If WAAS was previously disabled, it may take sev-eral minutes to achieve a 3D-Diff fix after re-enablingWAAS.1. Select “SBAS Selection” from the Setup 2 Pageand press ENT.To enable WAAS operation, select the “SBASSelection”.2. The flashing cursor highlights the WAAS statusselection. Turn the small right knob to allowOn/Off selection.Turn the small right knob to select On or Offand then press ENT.3. Turn the small right knob to select “On” or“Off” and then press ENT. Press the smallright knob to exit WAAS selection.COM ConfigurationTo set the COM channel spacing:1. Select “COM Configuration” and press ENT.2. Turn the small right knob to select “8.33 kHz”or “25.0 kHz” and press ENT.