Garmin G500 Pilot's Manual page 113

Other/ADIZ Airspace Viewing Range
The Other/ADIZ airspace viewing range option selects whether Other/ADIZ
airspace information is shown on the Navigation Map. Other/ADIZ airspace
information will be shown at and below the selected map range. When Off is
selected, the information will not be shown. In the example below where 200
NM is selected, Other/ADIZ airspace information will be shown at map ranges
of 200 NM and lower.
Figure 3-61 Navigation Map Other/ADIZ Viewing Range Selection
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190-01102-02 Rev. E Garmin G500 Pilot's Guide