TM 11-5840-217-34-1
Refer
Check
to
Correct results
page
number
Action to be taken
Turn the RANGE handwheel
a. Video will move in and out of range
from its ccw limit to its
on A-scope.
limit (minimum to maximum
b. Audio will be heard when moving
range) and observe range
target is moved into range gate.
gate and video on the A-scope
sweep.
7.
Move the AUTO-MAN switch
to the following positions:
AUTO SEARCH
a. AZIMUTH counter will move cw and
(position 1)
ccw
b. Plotting board arm (if engaged) will
move in azimuth.
c. Range gate will move on A-scope sweep.
d. X and Y counters will not move.
AUTO RANGE
a. AZIMUTH counter will stop moving.
(position 2)
b. Range gate will continue to move.
c. X and Y counters will not move.
MAN SEARCH
a. Range gate will stop.
(position 3)
X and Y counters will move immedi-
ately to a null when the switch is
moved to MAN SEARCH.
MAN TRACK AUDIO
a. The A-scope sweep will be lost
(position 4)
momentarily when the switch is moved
from position 3 to position 4.
61 and 62
b. Horizontal sound bars will appear on
the A-scope.
MAN TRACK VIDEO
The A-scope sweep will be normal.
(position 5)
18
Previous Page
