Visual Inspection; Post-Installation Test; Pretest Setup - Honeywell BENDIX KING KT 73 Installation Manual

Preliminary - Subject To Change Without Notice
BENDIX/KING
(a)
(b)
(c)
(3)

Visual Inspection

In conjunction with system installation, perform the inspection/check procedure (Ta-
ble 2-1 in this section).
(4)

Post-Installation Test

The Post-Installation Test verifies the proper operation of the KT 73 Mode S Tran-
sponder System. Utilizing the self-test function and a ramp tester, this procedure is
used after the system units have been installed and thereafter as an operational
check. This procedure is comprised of a pretest setup, manual test and ramp test.
The following tests are performed on the ground.
(a)
(b)
(c)
(d)
(e)
(f)
(g)
(h)
Rev 0, October/2002
Check that all cables and interwiring are installed in accordance with the In-
terwiring and Cable Harness Fabrication instructions (paragraph 2.3.3).
Using the interconnect diagram (see Figure 2-5 through 2-10), check wiring
for proper destination, opens, and shorts.
Check rf cables for insertion loss and VSWR.

Pretest Setup

Check KT 73 system source power as follows:
1) Confirm that aircraft 11-33V dc is operational.
2) Confirm that the aircraft panel background lighting power source is op-
erational by adjusting the cockpit dimmer switch for proper cockpit panel
illumination.
Operate appropriate aircraft circuit breakers and switches to apply power to
the system as follows:
1) Apply 11-33V dc to Mode S transponder #1 and if applicable transpon-
der #2.
2) Apply primary power inputs to all equipment that interfaces with the tran-
sponder(s) per the system configuration.
Verify that all KT 73 circuit breakers are closed.
Allow one minute for warm-up.
Verify the 4096 code is annunciated on the ATC IDENT code display with
mode select switch in the "ON" position.
Verify that "GND" is annunciated with the mode selector switch in the "GND"
position.
Self-Test
Refer to 3.3.3 (Section III) for Built In Test Equipment (BITE) procedures.
Manual Test
This test checks the ATC IDENT code switches and display.
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KT 73
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