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Detailed Operation
Slave Zoom to GPS Zoom
This is only available when installed with a GNS 480-series GPS navigator. When enabled and the MX20 is in
Auto Zoom mode, the MX20 will automatically set the zoom scale to that used on the GNS 480-series naviga-
tor.
AutoLoad Electronic Charts
This is only available when installed with an GNS 480-series GPS navigator. This feature must be disabled
when the MX20 is connected to a GPS navigator other than an GNS 480-series navigator. It allows the GNS
480-series equipment to instruct the MX20 to load a selected approach chart.
Display ICAO for US Airports
Press the Menu Item key to toggle on/off the display of ICAOs for US airports. When enabled, the leading “K”
character for United States airports is displayed according to the ICAO format. When disabled, the leading “K”
is not displayed.
Altitude Units
Press the Menu Item key to set the display of altitude in either feet or meters.
System
System Nav Setup Menu Items (Page 3)