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JNSTALLING
AND OPERATJNG
INSTRUCTIONS
MARCONI TRANSMITIER-RECEl VERS
TYPES PNIA
AND.
PNlB
GENERAL
DESCRIPTION
Th•
Muconi
typ,s PNt A •nd PNI 8 Tcansmittor-R«eiv<r equipments
have bttn designed for low power portabl• and fix<d st>tion
applications
rospoctively, primarily for
use
by the
Armed
Sen·ie<s.
Th• PNlA Transmitter-Receiver Unit ombodi<s a low power
transmitter,
a.
suptrheterodyne receiver.
a
telescopic
rod
a.ntcnn1,
a ca.cbon microphone
wilh incorporated
"press-to-talk"
switch,
a
pair of
light
w,ight headphones,
a
signalling
key,
and accommodation
for a light
weight combination
.A
and
8
batt<cy
pack. The <quipm<nt
,s
provided with
a
carrying
harness, by
means
of which it can
be
earned
comfortably on a man's back.
The har~ss
consists
of
a
light
tubular meul framework to wh,ch
i,
attache<I
leather straps
by
which
the
w,ight
is
,vonly distributed
to the weuec.
A
pocket
cooveno<ntly
located on
the
harn<ss,
is provid,d for
the
sroragc
of the
microphone.
The
cquipm<nt,
complete with
a battery pack
capable
of
providing 8 to 9 hours
of continuous
operation,
weighs
approximately
;)
pounds.
·
The
8 foot
telescopic ,od antenna
has' a
col.
l a pied
height
of
I)
inch«,
and
i,
socured to
one side of the caso by means of
•
simp[e looking
device.
When not
in use it
may
be
quickly
dismantled
and ,tow<d
in clamps which
are provided inside
the
case.
The PNIB
Transmitter-Receiver Unit is
basiolly the ,ame
as
thePN!A,
difforing only in
those
deails necessary to contribute most effectively
to
its
use as a
fixed
or semi-fixed
station.
TI1c PNlB
has no carrying
huness or rod
antenna,
but has
a
3
inch permanent
magnet
loudspeaker
incocpon.tcd.
It
is
usu1lly used
with
a
straight
wire
antenna
up
to • qu1rter w,.ve
in length,
instead of
the
whip antenna. The
PNlA
Transmitt«-Receiver
Unit measures
approximately
19¼"
x
18"
x 16½"
ov~rall, including the
cacryin~
harness
a.nd collapsed
•
ntenn1.
Th• PN1'8
measures
1pproxim1t,ly
16"
x HI" x 10"
overall.
A
Battery Dox Assembly 1s available
foe
uso with
tht
PNIA or
the
PNlB
when either
is
ustd as a
.semi
-fixed
station. It
pro\•ides accommodation
for
a
heavy duty
combin>11on A 2nd 8 battery
pick,
which is
capable
of
op<rating
the
tquipment for from 75
10
100 hours The assembly includes
a
six foot cable
for
interconnection
11.•ith
the
Transmitttr•R«eiver Unit.
Accommodation is
also
provided in the
Battery Box Assombly for
stowing
a
length or antenna
wir<
to
be
used in place
or
the whip antcnM
. .A shoulder
strap
is
provided
to
facilitate
transportation.
The
a.sse.mbly
measures approximately l}"
x t
2"
x
9,.,..
and weigh, approximately 45
pcuods, complet, with b1ttery
and
antenna.
1
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