Diamond Aircraft DV 20 E 2022, Airplane Maintenance Manual

Page: 237 / 903

AIRCRAFT
DV 20 E AMM Communications
Doc # 4.02.25
Rev. 2
23-10-00
Page 203
15 Mar 2022
C. Garmin GTN 650 Adjustment/Test
If possible, do an operational flight check after the radio has been replaced. Alternatively, use a test
set to make sure that the system operates correctly. Refer to the appropriate installation manual
for performance specifications.
Detail Steps/Work Items Key Items/References
(1) Do a test of each control function. Refer to Chapter 23-50
(2) Make sure that the database date is valid. Once the database has been
acknowledged, the instrument panel
self-test page will appear.
Refer to the units Pilot's Guide and
Reference for Instrument Panel
Self-Test.
D. Database Loading
The GTN 650 utilizes various databases. With the exception of the Terrrain database which is
stored in a single SD memory card that is inserted into the vertical slot on the left side of the panel,
the Aviation, Basemap, Safetaxi and Obstacle databases which reside internal to the GTN. Refer
to the GTN 650 Pilot’s Guide for Data Card use.