TM 55-1510-222-MTF
P R O C E D U R E
T R O U B L E S H O O T I N G
R E F E R E N C E
not change shape or loca-
tion. Ground targets will
not change shape or loca-
tion. Ground targets are
selected as a function of
tilt.
c. Test
procedure:
Observe
screen for proper display. Test
display consists of two green.
two yellow. and a red band on
a 120° scan. The word TEST
will be displayed in upper
right corner. Operating mode
selected by MODE switches
(either MAP, WX, or WXA)
has been displayed in lower
left corner. If WXA has been
selected. red band in the test
pattern will flash on and off.
Range will be displayed in up-
per
right
corner beneath
TEST and appropriate range
mark distances will appear
along right edge of the screen.
Complete test patterns may
be seen only on 80 mile range
or higher. Flying level at an
altitude of 8,000 to 10,000
feet AGL will allow mapping
of ground targets to a range of
approximately 100 miles.
d. Antenna stabilization check:
4-35
