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Page Title:
Section II. DESCRIPTION AND DATA |
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|  TM 11-5826-258-24
1-6. Administrative Storage
1-7. Destruction of Army Electronics
Materiel
Administrative storage of equipment issued to and
used by Army activities shall be in accordance with
Destruction of Army electronics materiel to pre-
TM 740-90-1.
vent enemy use shall be in accordance with TM
750-244-2.
Section Il. DESCRIPTION AND DATA
1-9. Description of Receiver
1-8. Description of Receiving Set
a. General. Radio Receivers R-2023/ARN-123(V)
and R-2139/ARN-123(V) are remote-located, inte-
is an integrated navigation package consisting of
g r a t e d navigation packages which contain a
(1) Radio Receiver R-2023/ARN-123(V) or R-
200-channel VOR/LOC receiver, a 40-channel glide-
2139/ARN-123(V).
slope receiver and a marker beacon receiver. The
(2) Receiver Control C-10048/ARN-123(V) or
three receivers perform the intended mission of
C-10049/ARN-123( V).
the unit independently of each other. Performance
( 3 ) Mounting Ease, Electrical Equipment
degradation within any of the major sections will
MT-4834/ARN-123(V) or MT 4980/ARN-123(V).
not affect the performance of the others.
b. The differences between the four sets are as
(1) The set provides the following capabilities.
follows:
(a) Manual VOR indications.
(1) The AN/ARN-123(V)1 has red panel light-
(b) ILS localizer indications.
ing in Receiver Control C-10048/ARN-123(V) and
(c) ILS glideslope indications.
includes Receiver, Radio R-2023/ARN-123(V) and
(d) Marker beacon capability.
Mounting Base, Electrical Equipment MT-4834/
(e) Automatic VOR bearing indication.
ARN-123(V).
(2) A navigation composite signal is available
(2) The AN/ARN-123(V)2 has white panel
at the set connector for such possible application as
lighting in Receiver Control C-10049/ARN-123(V)
driving an RNAV (area navigation) computer.
and includes Receiver, Radio R-2023/ARN-123(V)
b. VHF Omnirange (VOR)/Localizer (LOC) Re-
and Mounting Base, Electrical Equipment MT-
ceiver Section. The VOR/LOC receiver section
4834/ARN-123(V).
receives and processes VOR and localizer signals
(3) The AN/ARN-123(V)3 has red panel light-
over the frequency range 108.00 to 117.95 MHz, 200
ing in Receiver Control C-10048/ARN-123(V) and
channels (160 VOR channels and 40 localizer
includes Receiver, Radio R-2023/ARN-123(V) and
channels), with a channel spacing of 50 kHz. The
Mounting Base, Electrical Equipment MT-4980/
VOR/LOC receiver section provides the outputs for
ARN-123(V).
the operation of
(4) The AN/ARN-123(V)4 has red panel light-
(1) Four VOR/localizer deviation needles,
ing in Receiver Control C-1004/ARN-123(V) and
three VOR/localizer warning loads and two TO/
includes Receiver, Radio R-2139/ARN-123(V) and
FROM loads, such as those contained in Course
Mounting Base, Electrical Equipment MT-4834/
Deviation Indicator ID-1347C/ARN or equivalent.
ARN-123(V).
Change 1
1-3
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