TM 1-1510-224-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
ENGINE RUNUP (CONT)
CAUTION
Do not operate the weather radar system where the
nearest metal wall is within 50 feet of the antenna
reflector. Scanning such surfaces within 50 feet of
the antenna reflector may damage receiver crystals.
NOTE
Test the weather radar system before each flight on
which the system is to be used.
*15.
Weather radar/LSS - Test and set as
required.
(a)
RADAR mode selector switch -
SBY.
(b)
LSS mode selector switch - SBY.
(c)
WX
pushbutton
selector
switch
(display
controller)
-
Depress.
Observe that EHSI displays partial
compass heading arc.
(d)
RADAR mode selector switch -
TST. Observe that WX mode
annunciator on EHSI remain STBY.
(e)
Range
switches
(radar
control
panel) - Depress both switches
simultaneously. Observe that WX
mode annunciator on EHSI changes
from STBY to TEST, and that
magenta, red, yellow, and green are
displayed. A green noise band will
appear at the upper arc range
marking.
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