BENDIXKing AeroNav 910 Pilot's Manual page 44

AeroNav 900/880 Series Pilot's Guide
The list under each tab can be scrolled by swiping up or down on
the touchscreen or by rotating the right inner knob. To move the
cursor to the desired frequency, rotate the right inner knob or
touch the frequency. To tune the Standby to the frequency
surrounded by the cursor, either touch the frequency or press the
right knob.
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1-34 System Overview Rev 1 May 2019