Garmin GNC420W GPS Receiver User Manual


 
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Feature Classic 400/500 New 400W/500W
18 Graphics Speed Good Much better
19 Crossfill Yes 12x faster
20 XM Radio Audio and Weather Limited, NEXRAD, METARs, no
audio control
Yes - Adds TAFs, TFRs, NEXRAD Coverage, and
audio controls
21 KAP140/KFC225 Autopilot
Operation-Compatible
Yes Annunciation added
22 GDL Configuration No GDL 69/69A
23 GDL 69/69A Data Link Diag-
nostics
No Yes
24 Traffic Range Rings Yes The numeric values for Traffic Range rings vary
with the installed traffic source.
25 Installation Individual aircraft field approval. Approved Model List for more than 900 aircraft
when installed per the STC.
26 How Can I Tell If I Have A WAAS
Unit
N/A View the first screen in the start-up routine.
Check other features.