Garmin MX20 Installation Manual - page 38

   Installation 

MX20 Installation Manual 

31 

2.7.3.6  KMH 820 IHAS 

The KMH 820 IHAS requires MX20 software version 5.4 or later in order to display terrain.  External terrain 

caution and warning annunciator lamps are also required.  See Figure 2-18 for connections.  Select TAS for 

the Traffic Source (429) data source and KGP 560 for the TAWS Source data source. 

2.7.4  Miscellaneous Setup Options 

1.  Press the MISC smart key while still in the INSTL function. 

2.  Ensure the Misc Setup Options pages of the MX20 are configured with respect to the aircraft it is 

being installed in. Modifications can be made using the line select keys.  

See Step 3 

See Step 4 

See Step 5 

See Step 6 

See Step 7 

See Step 8 

See Step 9 

See Step 10 

See Step 11 

See Step 12