TM 1-1510-224-CL
e.
Leg length in NM - Enter into scratchpad.
f.
L2 line selection switch - Depress to enter LEG
LENGTH.
g.
L3 line selection switch - Depress to select LEFT
or RIGHT.
h.
Offset distance in NM - Enter into scratchpad.
i.
L4 line selection switch - Depress to enter OFFSET.
5.
Waypoint move mode - Program as follows:
a.
True bearing - Enter into scratchpad.
b.
R1 line selection switch - Depress to enter BEARING.
c.
Range in NM - Enter into scratchpad.
d.
R2 line selection switch - Depress to enter RANGE.
AVIONICS
1.
VHF comm (#1 and #2) - Press TEST and observe the
following:
a.
Normal - Dashes displayed in the active display
and 00 in the preset display.
b.
Fault - Flag in the active display and a two digit
fault code in the preset display.
2.
VHF navigation receivers (#1 and #2) - Test as follows:
a.
VOR self test/marker beacon test:
1)
Tuning knobs (NAV control unit) - Select a VOR
frequency.
2)
VOR/localizer
pushbutton
selector
switch
(display controller) - Select VOR 1 or VOR 2.
3)
Single
needle
bearing
pointer
source
selector switch (display controller) - VOR 1.
4)
Double
needle
bearing
pointer
source
selector switch (display controller) - VOR 2.
5)
Course knob (EHSI) - Rotate until pointer
indicates 0 degrees.
6)
TEST switch (NAV control unit) - Depress.
7)
NAV flag on the EHSI - Will come into view.
After two seconds, the flag will go out of view,
the EHSI course deviation bar will center, and
P-11
