TM 1-1510-224-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
AVIONICS FLIGHT CHECKS (CONT)
(2)
Repeat entire procedure for each
audio control panel.
*5.
UHF radio set - Check as follows:
(a)
Altitude - 1200 feet above ground level
(AGL).
(b)
Transmitter selector switch - #3 or #5.
(c)
Function selector switch (UHF command
set) - BOTH.
(d)
Frequency
selector
switches
-
Select
required test frequencies.
(e)
Mode selector - As required.
(f)
Volume control - As required.
(g)
Squelch switch - As required.
(h)
Fly aircraft to a point 35 nautical miles away
from test station.
(i)
Communicate with test station when 20
miles away and again at 35 miles.
(j)
At
35
nautical
miles,
maintain
communication with test station each 10
while flying a 360 flat turn (not to exceed 5
bank).
Verify
that
communication
is
uniformly loud and clear through these tests.
(k)
Repeat procedure for frequencies in low,
middle, and high ranges.
K3-7
*6.
VHF radio set - Check as follows:
(a)
Altitude - 1000 feet AGL.
(b)
Transmitter selector switch (audio control
panel) - #1 or #2.
K8-9
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