BENDIXKing AeroNav 910 Pilot's Manual page 214

AeroNav 900/880 Series Pilot's Guide
airfield diagram chart will be displayed as an aid in surface
navigation.
Airport Diagram
The charts can be pinch-zoomed and panned or knob zoomed to see
close ups of the airfield diagram.
If you did not select or use a published approach via Charts, the local
airfield diagram can still be accessed. Select "CHART" tab of the
MAP page and then use the left-hand LSKs to select the desired
airfield diagram.
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4-64 Map Subsystem Rev 1 May 2019