Honeywell International Inc. DMA-37B2 Manuale Utente
Page 2013
10 Oct 2007
34-51-02
MAINTENANCE MANUAL
DMA-37B DME System
© Honeywell International Inc. Do not copy without express permission of Honeywell.
(c) Front Panel Test Initiation, -1101 and -1212 Only
1
On the front panel, observe that the green status LED is lit.
2
On the front panel, push the self test button.
3
Make sure that all LEDs turn amber and then turn green (indicating normal
operation).
(d) Cockpit-Initiated System Test
1
If provisions have been made in the aircraft installation for cockpit initiated
DMA-37B self-test procedure, that procedure must be verified. The results of
the test can be indicated on the EFIS or DME displays depending upon the
installation.
(e) Ramp test
NOTE: The following test instructions are written in general terms. Refer to
the DME test set instruction manual for specific DME test set
operating instructions.
1
Set up ramp test set as recommended in accordance with test set
manufacturer's instruction manual. Position DME ramp test set in vicinity of
aircraft.
2
Apply power to DMA-37B DME System.
3
If the Post-lnstallation Check System Test has not been accomplished, perform
the System Test as described in Paragraph 3.B.(3) to verify self-test operation.
4
Set NAV control to select a DME frequency corresponding to that set in the
DME ramp test set.
5
Verify that the DME distance readout is equal to that set in the DME ramp test
set.
6
Set DME ramp test set for an audio Ident output.
7
Verify that the audio Ident is heard through the cockpit speaker.
8
Repeat steps 4 and 5 for one or more additional frequencies and distances.
(f) Flight Tests
1
Preflight Test
a
a
General
(1) The following test procedure gives instructions for a preflight test
(1) The following test procedure gives instructions for a preflight test
which make sures that the DMA-37B DME System is functioning in an
acceptable manner prior to takeoff.
b
Test Procedures
(1) Perform the System Test, Cockpit Initiated procedure as described in
(1) Perform the System Test, Cockpit Initiated procedure as described in
Paragraph 3.B.(3)(d) of this section.
2
In-Flight Confidence Test
a
a
General
(1) Upon completion of the post-installation and preflight checks, a local
(1) Upon completion of the post-installation and preflight checks, a local
flight can be made to verify system operation. Perform the following
In-Flight Confidence Test procedures.