Garmin GNS 400W Pilot's Manual & Reference page 189

9 - AUX PAGES
Turn the small right knob to select On or Off
and then press ENT.
Turn the small right knob to select "On" or
3.
"Off" and then press ENT. Press the small
right knob to exit WAAS selection.
NOTE: There may be other SBAS selections avail-
able, such as MSAS.
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