TM 55-1510-222-10
Figure 3-15. Navigation Receiver Control Unit (VIR-32)
3. To determine course to station on horizontal
situation indicator:
a. VOR #1, #2 switch - As required.
b. Course knob Rotate knob until course
deviation bar is centered and TO-
FROM arrow indicates TO.
c. Course readout Read bearing to
station.
4. To determine course to station on RMI:
a. Single or double needle pointer
switches
As
required
(depending
upon whether VOR #1 or VOR #2 is
in use).
b. Single or double needle on RMI Read
course to station.
5. Localizer receiver operation procedure:
a. Frequency controls Set desired
frequency.
b. VOR #1, #2 switch - As required.
c. Horizontal situation indicator Steer
aircraft as required to center course
deviation bar.
6. Marker beacon operating procedure:
a. Marker beacon indicator annunciators
Observe for beacon indication..
b. Marker beacon HI-LO sensitivity
switch - As required
c. Marker beacon VOL control As
required.
7. Glideslope operating procedure:
a. Frequency controls Set desired
localiz2:er frequency.
b. VOR #1, #2 switch - As required.
c. Glideslope pointer Steer aircraft as
required to center pointer.
8. VHF communications receiver operating
procedure:
a. Frequency controls Set desired
frequency.
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