Operating instructions

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Depth
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Volume
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eight
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U.
Htl,ìset
Cold
CX-1334/U
Ilecti r-t
r'-Porver
supply
conlt,cting
cable.
Hea<1set
CW-49507-A
(
)iav1'
type).
hrstruction
book for
Raclio
Receiving
Set
AN/GRR-s.
57/z
11
39l,b
\3r/+
96
.20
t.)
1
.2
A
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1,5
I
1
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11
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,\'ofc.
This list is
for
general
information
only.
Refer to appropriate
supDly
nublications
for
information
Ìrertainins
to requisition of spare
parts.
'/2
.03
ioial
8,
Description
oi Rodio
Receiving
Set
AN/cRR_5
(fig.
1)
a.
Radio
Receiui,ng
Set AN/GRR-S.
This
equipment
is
a superheterodyne
radio
receiving
set
designed
for
reception
of
a-m or
c-w signals
l'ithin
the frequency
range
of 1.5
mc
to 18
mc.
The
receiver
and
power
supply
are secured
in
Electrical
Equipment
Cabinet
CY-615/URR,
and
the case is
inserted
into
Cover CW-Zll/U.
Cover
CW-211/U
is
secured
to the
cabinet
with
snap
fasteners
ancl trvo
straps
which
join
through
the holes
on the
bottom
skirt
of
the
power-sllpply
panel.
The front-panel
control
markings
have
phosphorescent
lettering
to
per-
mit operation
in
the dark.
Note
. T}e
phosphorescent
lettering
u'ill be
activated
for approximately
6 hours
after it
has
been exposed
to
daylight
for a short
period
of time. To
activate letter-
ing,
a source
of
light
such
as a flashlight, may
be used.
b. Radio
Receiaer
R-17/+/LIRE
(figs.
4
and
12).
Radio Receiver
R-174IURR
is
an eight-
tube
snperheterodyne
receiver
designed
for
re-
ception of
a-m or c-1\'
signals within
the fre-
quencl'
I'ange
of
1.5
mc
to
18
mc.
The receiver
is
securecl into Electrical
Equipment
Cabinet
CY-615/URR by four
latches
located
on
the
sides
of the case. The four
holes located
on the
sides of the leceiver
are nsed
as finger
-qrips
for
removing the receir,er from
the case,
and/or
AC;O 313A'
for
the straps
of
battery Bag
CW-212/IJ which
may
be mounted
on top
of the case.
On top of
the
upper
left-hand
corner
of
the receiver
is
the antenna
mounting
receptacle
for
the mast
sections.
The
front
panel
contains
all the oper-
ating
controls
required
for
operating
the re-
ceiver.
These
controls inclucle
the
band srvitch,
antenna
trimmer,
output
switch,
a-f
(audio-fre-
quency)
and r-f
(raclio-frequency)
gain
con-
trols,
bfo
(beat-frequency
oscillator)
control,
function
switch,
manual-preset-tuning
control,
dial-light
switch,
antenna
posts,
headset
con-
nectors,
and monitoring
input
receptacle.
c. Po'tyer
Supplll PP-305/URR (figs.
4
and
13).
Power
Supply PP-308/URR
is desienecl
to supply
d-c voltages
adequate
to operate
Radio
Receiver
R-174IURR.
The
power
supplf is
secured
into Electrical
Equipment
Cabinet
('Y-
615/URR
by four
latches located
on the
sirles
of
the case. The
four
holes locatecl
on
the
sicles
of the
power
supply
are
usecl as fingel
glilts
for
removing
the
power
suppll-
fLont
the case,
and
the two
holes
on
the
bottom skilt
at'e for
holding
the straps
of
Cor-er'
('\\'-211
U.
The
power
supply
can be
oltcltiterl
I'r'r,r.r.r
it
115-volt
a-c -qource
in
a
fixerì instiillrrtion.
oi'
fi'om
a 6-,
72-,
or
24-volt
(ì-c
sr,rìr'ce
in
it vel'ricnlar
opera-
tion,
or as iì
c()nneclinr'
ltoint
to the receiver
from 90-
littrì 1..-r-r',,Ìt
lriitteries.
The
front
paneì
contains
the lusLrs, sllare
fuses,
the var-