Diamond DA 42 NG, Maintenance Manual

Page: 1533 / 2339

AIRCRAFT
DA 42 NG AMM Navigation
Detail Steps/Work Items Key Items/References
Doc # 7.02.15
Rev. 4
34-10-00
Page 209
15 Mar 2018
(5) Prepare the G1000 system for the test:
S
Allow the unit to warm up for 15 minutes
before performing the following tests.
S
Start the G1000 system in normal mode.
S
Remove power to the PFD.
S
Turn the PFD on in configuration mode by
pressing and holding the ENT key on the
PFD while applying power.
S
Release the ENT key after ‘INITIALIZING
SYSTEM’ appears on the upper left corner
of the PFD.
S
Using the outer FMS knob on the PFD turn
to the GRS page group, use the B ALT field
for all CFR Part 43 Appendix E tests for
G1000 altitude.
S
Place the MFD in reversionary mode by
pressing the red ‘DISPLAY BACKUP’ button
on the GMA 1347 audio panel. Baro settings
can then be read from the MFD for the CFR
Part 43 Appendix E tests.
Only required for airplanes for which
14 CFR §91.411 and 14 CFR §91.411
part 43 Appendix E is applicable.
(6) Apply a partial vacuum to the static port until
you get a pressure altitude of 1000 ft above the
ambient pressure altitude.
Note the altitude.
(7) Let the pressure stabilize.
(8) Monitor the system pressure. The system pressure change must not
be more than 100 ft/min.
(9) Compare the test equipment altimeter and the
airplane altimeter.
The indication error must be less than
shown in Table 1.
(10) Slowly adjust the system pressure to the
ambient pressure.
(11) Return both the MFD and PFD to normal mode. Only required for airplanes for which
14 CFR §91.411 and 14 CFR §91.411
part 43 Appendix E is applicable.