AeroNav 900/880 Series Pilot’s Guide
89000039-010
5-50 Aux Subsystem Rev 1 May 2019
On* - Enables aural alerting of
impending airspace (correlates
with presence of the Airspace
Ahead CAS message)
Off – Disables aural alerting of
airspace.
On* - Enables 500’ AGL (based
on GPS altitude) aural callout
when descending through 500’
AGL
Off – Disables 500’ AGL callout
Magnetic* - Sets map
orientation and all datablock
information to magnetic
reference
True – Sets map orientation and
all datablock information to true
reference. By selecting True,
the map orientation will display
in True North when “North Up”
view selected on the map page