Garmin MX20 - Manual (Page 59)


Detailed Operation
ADS-B Traffic
Confirm Code
When the MX20 starts up and you then press any function key, a pop-up will appear for you to confirm the
ATC-assigned code or set your aircraft ADS-B Code to 1200. Press OK to confirm the displayed ADS-B Code
or press 1200 to set the Code to 1200. The ADS-B Code will not be sent to the GDL 90 UAT until you press
OK or 1200.
Operation
The controls at the bottom of the screen allow you to zoom in and out, initiate an Ident, and to select each
traffic target on the screen.
. Press the FN key to reach the Functon page showng the TRAF (Traffic) “smart” key.
. Press TRAF .
. Press the IN key to zoom n. Press the OUT key to zoom out.
. Press the IDENT key to ntate an Ident for ATC purposes. A green flag wll appear on the left sde of the
dsplay when the GDL 0 UAT reports that t s sendng an dent over the ar.
. Press the SELECT key to consecutvely select each Traffic symbol that s shown on the dsplay. When
a target s selected, addtonal nformaton about that target s shown n the upper rght corner of the
dsplay. The selected target wll be hghlghted n green on the dsplay. Surface vehcle targets cannot be
selected.
Informaton about the selected target ncludes: ID, arcraft type, poston between target and ownshp,
dstance, speed, and alttude. Poston s noted n clock numerals as relatve to drecton of travel for
each arcraft. For nstance, a poston noted as / means that the traffic s at your arcraft (ownshp)
 o’clock poston and your arcraft (ownshp) s at the target’s  o’clock poston.
Traffic Option Page 1
The first option page of the Traffic function lets you select options for the choices of Transmit Status, Broadcast
Mode, ADS-B Code, Set ADS-B Code to 1200, and Service Codes. The Next Page option selection takes you to
the next page of options.
ADS-B Traffic Menu Items (Page 1)
Selected ADS-B Target Information Detail
Confirm ADS-B Code