Garmin GMX 200 Installation Manual - page 55
5.
If the GNS 480 is configured for BARO POT: NOT INSTALLED, verify that the baro-correction on
the GMX 200 and GNS 480 are the same. Change the baro-correction on the SYS Nav page of the
GMX 200 and verify that it changes on the GNS 480.
5.5.4
78B
Altitude Source Interface Test
The GMX 200 can receive altitude data from a GPS Navigation sensor (pressure or GPS altitude) or an
altitude encoder (pressure altitude). This check verifies that the GMX 200 is configured correctly and is
receiving altitude data.
NOTE
If the GMX 200 is configured for an external TAWS Source, altitude will not be
displayed.
5.5.4.1
100B
GPS Altitude Source
1.
Ensure that the GPS Navigation Source has acquired a position.
2.
Verify that the amber ALT flag is not displayed.
3.
Select the MAP function and verify that GPS Alt: is displayed, along with a valid altitude.
GMX 200 Installation Manual
Page 5-21
190-00607-04
Revision F