Page
5
HEADSET
The
NJD
‐
5
has
one
headset
jack
on
the
electronics
package.
The
jack
is
a
1/4"
mono
jack.
HANDLE
AND
POKE
STICK
The
antenna
is
mounted
to
a
telescoping
handle.
The
handle
is
adjustable
in
length
from
19"
to
57".
Cables
are
attached
to
the
handle
by
means
of
Velcro
straps.
The
antenna
swivel
couples
to
the
handle
in
a
twist
lock
method.
The
poke
stick
is
a
telescoping
rod
that
is
used
to
tap
on
surfaces
to
try
to
dislodge
corroded
metallic
junctions.
CARRYING
THE
NJD
The
NJD
‐
5
is
supplied
with
a
backpack
style
carrying
harness.
Use
of
a
single
shoulder
strap
is
not
recommended
because
it
leads
to
rapid
operator
fatigue
and
discomfort.
The
backpack
harness
allows
the
NJD
‐
5
to
be
carried
on
the
lower
back
where
controls
are
accessible
and
weight
is
evenly
distributed
across
the
shoulders.
BATTERY
CHARGER
The
NJD
‐
5
is
supplied
with
a
plug
‐
in
battery
charger/external
power
supply.
The
supply
can
operate
the
NJD
‐
5
while
charging
its
battery.
The
supply
operates
over
a
range
of
100
‐
240
Volts
AC,
50
or
60
Hertz
and
requires
no
switch
selection
by
the
user
for
primary
AC
voltage.
The
NJD
‐
5
is
designed
to
operate
from
its
battery.
Continued
operation
using
the
AC
power
supply/battery
charger
may
overcharge
the
battery
and
shorten
its
useful
life.
Do
not
charge
the
NJD
‐
5
for
more
than
8
hours
when
fully
discharged.