Operating instructions

Cuutiott:
\\-hen
unpacking,
keep
sand
and
mucl
flcim
the
ends
of
the
mast
sections.
a. F
iald
Irtstullations.
(1)
Insert
Mast
Section
MS_112_A
into
internal
threaded portion
of Mast
Sec_
tion
MS-118-A,
and
tighten.
Insert
Mast
Section
MS-116-A
into
internal
threaded portion
of Mast
Section
MS_
117-4,
and
tighten.
Insert
Mast
Sec_
tion MS-11G-A
into
another
Mast
Sec_
tion
MS-116-A,
and
tighten.
Insert
Mast
Section
MS-116-.4
into
receiver
at the
left-hand
front portion
of
the
top
of the
case,
and
tighten
in
place
(fig.38).
(2)
If
tactical
operation
requires
the
use
of
a
reel
antenna,
disregard
0(1)
above,
connect
the
antenna
leacì_in
wire
to
the
post
marked
A
on
the
receiver panel,
and
connect post
G
to
a secllre
ground
(fig.
12).
b.
Vehicu'lar
Installations.
Vehicular
insta]_
lations
require
the
rise
of Mast
Base
AB-1b/GR,
supplied
rvith
the installation
unit.
The
location
of
the
antenna
mast
base,
in
most
cases,
is
de_
termined
by the
vehicle.
In
general,
the
mast
base
should
be
placed
as
high
as
possible.
After
the location
of the
antenna
is
determined
and
the
mounting
hole
is
clrilied,
install
the mast
base
(fig.
8)
and
antenna
in
accordance
rvith
the
instructions
outlined
belorn'.
(
1) Place
one large
rubber
washer
and
the
Llpper
insulator
over
the
mounting
hole.
(2)
Place
the
trvo
small
washers
on
the
stem
of
the
mast
base
body.
(3)
Insert
the
mast
base
bocly
into
the
hole
in
the
upper
insuiator.
(4)
Place
the
other
large
rubber
u,asher
on
the lorver
insulator.
(5)
The
ground
ring
strap
and
hose
cìamp
suppiied
rvith
the
mast
base
are
not
required
for
wire
lead-ins.
Store
these
items
in
Bag
CW-206//GR.
(6)
Insert
the
lower
insulator
into
the
mounting
hole
from
underneath.
(7)
Assemble
the mast
base
by
holding
the
lou'er
insulator
and
turning
the
mast
base
body
until
the
mast
base
is
secure.
,(;0
313.A.
Screw
together
Mast
Sections
IIS-
116-A (2
each),
MS-112-A,
ancì )IS-
118-4,
then
turn
the
assembly
inttr
the
mast
base.
To
attach
the
antenna
lead-in
to the
mast
base,
tin
the
end
of
the rvire
lead-in
and
attach
it
to
the
bincling
post
on
the
lower
insulator.
Attach
the
other
end
of
the lead-in
to
the
nost
markerl
A
on
the
receiver
nanel.
Grouncl
the
post
marked
G.
(8)
(e)
MASr
BAsE
BoDy
-
WASHERS
UPPER
INSULATOR
RUBBER
WASHER
MOUNfING
SURFACE
IN
VEHICLE
EOLT
LO\ryER
INSULATOR
RUBEER
WASHER
SOCKET
CAP
BINDING
TM
29s-8
Figure
8.
Mast
Base
AB-1S
lGR,
insta,ltation.
dratt,íng.
15.
Connections
ond
Initiol
Adjustment
Set
the
POWER
SELECTOR
switch
for
the
desired
mode
of
operation
and
make
the
an_
plicable
connections
as
describecl
belorv.
a. 115-Volt
A-C
Opet.ation (figs.12
ancl
1B).
Connect
one
end
of Power
Cabie
Assemlrlr-
('X_
1358iU
to
POIVER
INPUT
receptacte
.I103,
and
secure
the
connector
in
place.
('ortnect
the
male
end
of
the
cable
to
a 11,j-r-olt
a_c
llo\\.er
line.
b.
6-,
12-,
or 2/1-Irrilt
f)-C
(
)1,o.(ttirtrt.
Connect
Power
Cable
Assemtrir'('-\-1:,ì;l)
U
to
pOWER
II{PUT
receptacle
Jlrt::1.
untl
secut'e
the
connec-
tor
in
place.
('onneet
the
other
eucl
to
the
d_c
source.
This
enri
(.r,ntains
2 lugs.
Connect
the
lug
on
the inner
u.ire
to
the
positive
(+)
ter_
tl