Garmin GNC 420W Pilot's Manual Addendum

Also see for GNC 420AW: Maintenance manual Pilot's guide addendum Quick reference guide Pilot's Guide & Reference Pilot's Guide & Reference

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Garmin GNC 420W Pilot's Manual Addendum Manual pdf 14 page image

1212Altitude Display ModeThe name of the selected altitude displaymode (ABV: look up, NRM: normal, BLW: lookdown, or UNR: unrestricted) is displayedin the upper left-hand corner of the TrafficScreen. The SKY 497 continues to track upto 30 intruder aircraft within its maximumsurveillance range, regardless of the altitudedisplay mode selected.To change the Altitude Display Mode:1. From the Traffic Page, turn the cursor on,highlight the current mode and turn the smallright knob to cycle through the options.2. With each turn of the knob, the screen changesto display the traffic detected within the selectedaltitude display range. The 400W/500W Seriesscreen also displays unrestricted traffic (UNR)having a range of maximum specified by theSKYWATCH Pilot’s Guide. Please refer to theSKYWATCH Pilot’s Guide for informationregarding altitude display ranges.3. Note that confirmation is not required. Themode is changed immediately when using thesmall right knob. Turn the cursor off whenselection is made.Traffic PageTraffic can be displayed both on the Map Page(only if heading is available) and on the Traffic Page.Altitude Display ModeDisplay RangeTraffic Advisory(with no bearing information)Operating ModeTrafficTraffic PageTraffic Warning WindowWhen the unit is not on the traffic page and a traf-fic threat is imminent, the Traffic Warning Window isdisplayed. The Warning Window shows a small mapand can display the Traffic Page (if the user pressesENT) or return to the previous page (if the user pressesCLR).Traffic Warning WindowNOTE: The Traffic Warning Window is disabled whenthe aircraft ground speed is less than 30 knots or whenan approach is active.Section 3Skywatch Interface