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Page Title:
Item 21. Receiving Set, Radio AN/ARN-30D or AN/ARN-30E. Vor |
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 20
TM 11-1520-209-ESC
Item 21. Receiving Set, Radio AN/ARN-30D or AN/ARN-30E. Vor
RATINGS
PROCEDURE
GREEN
AMBER
RED
Note: The following test covers the
Undistorted station signal of
No signal heard in
RMI needle No. I or No2 does not indicate
vor function only. Turn on AN/ARN-
adequate volume heard in pilot's
headset; visual
known station hearing Vertical flag does not go
30D or AN/ARN-30E. On VHF NAV
and copilot's headset RMI needle
indications normal.
out of sight Vertical pointer will not center and
control panel. set controls for vor
No. I or No 2 indicates known
TO-FROM meter does not change as vertical
operation, and tune to local vor
station bearing TO-FROM arrow
pointer is rotated to reciprocal hearing
station of known bearing Set VOR-
indicates whether course is to or
ADF SELECTOR switch for VOR No.
from vor station. In the reciprocal
I operation for both course indicator
heading, the TO-FROM arrow
and RMI. Received signal is heard
reverses position.
in pilot's and copilot's headset and
identified by station call letters. On
course indicator. vertical flag goes
out of sight and vertical pointer
moves off center. (Pointer will stay at
center if helicopter bearing
corresponds to course pointer
indication.) Turn course indicator
knob until vertical pointer is centered.
Note that course pointer corresponds
to bearing of helicopter and TO-
FROM meter indicates TO or FROM
the vor station. Rotate course
indicator knob to reciprocal bearing.
Note that vertical pointer centers and
TO-FROM meter indicate reciprocal
bearing from vor station.
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