Filter
Top Products
CONTROL
LOCATION
AND
FUNCTION
OFF-VOLUME
is
the
power
switch
and
Volume
control.
When
not
in
use,
rotate
this
control
to
the
left
to
turn
it
off.
SQUELCH
control
is
to
eliminate
annoying
background
noise
between signal transmissions. When
properly
set, Squelch
will
keep
the
PR0-16A
silent
until
a signal comes in on
the
channel(s)
you
are
listening
to-then,
the
Squelch
circuit
will
"open"
and
you
hear
the
signal.
MANUAL
SELECTOR
Button-when
the
SCAN/MANUAL
button
is
in
the
MANUAL
position
(out),
use
this
button
to
advance
the
Receiver
to
the
next
channel in sequence. Each
time
you
press
this
button,
the
Receiver
will
advance
just
one channel.
SCAN/MANUAL
Button
is
for
determining
the
function
of
the
scan-
ning feature. In
the
SCAN (in)
position,
each channel
will
be
scanned
automatically.
In
the
MANUAL
(out)
position,
the
PR0-16A
will
not
scan,
but
will
remain
tuned
to
the channel
indicated
by
a Lighted
Channel
Indicator
.
SCAN
RATE
Control-adjust
for
the
desired rate
of
automatic
scan-
ning. In
the
SLOW
position,
you'll
be
scanning
the
channels at
about
10 per second;
FAST
will
give
you
a rate
of
about
20
per second.
Use
the
setting
that
results in a
minimum
of
missed calls
(practice
and
experience
will
help
you
find
the
best setting).
DELAY
Button-when
you
press
this
button
in,
you
activate a
circuit
which
holds
the
scanner on channel
for
about
2 seconds
after
the
carrier has gone
off
the
air, before
the
scanning
function
once again
takes over.
To
defeat
this
Delay feature, press again
to
release
the
button.
Channel
Lock-out
Button/Channel
Indicator
Lights
(PROGRAM)-in
the
"in"
position
(button
pressed
in),
that
channel
is
active. When
you
press
the
button
again
(to
pop
it
"out"),
that
channel
is
automatically
"lock
out"
and
will
not
function
.
The
buttons
li
ght
up
to
show
which
channel(s)
is
active.
During
scan-
ning, these lights
light
up
in sequence; when the receiver
is
operative
on one
of
the
channels,
the
light
for
that
channel
will
go on. When
the
Channel
Lock-out
Button
for
that
channel
is
out,
that
Light
will
not
light.
-4-
PRIORITY
Button-will
lock
in channel 1
for
priority
reception over
any
other
active channel. Thus, when pressed in,
if
a signal comes on
this
channel,
the
Receiver
will
automatically
lock-in
on
it
and
will
stop
scanning. When
the
signal
ceases
on
this
channel, the receiver
will
start
scanning once again.
VHF
Antenna
Jack-for
VHF
reception,
connect
an
antenna
to
this
jack.
Use
an
antenna such
as
Catalog
Number
20-161
(indoo
r opera-
tion).
UHF
Antenna
Jack-connect
an
external antenna
to
this
jack
for
UHF
reception.
Use
an
antenna such
as
Radio Shack Catalog
Number
20-451
(indoor
operation).
TAPE
OUT
Jack-for
recording "
off
-the-air",
you
can
connect
your
tape recorder
directly
to
this
jack.
Headphone/External
Speaker
jack
is
for
plugging in a headphone
or
an
external speaker.
Use
it
for
private listening,
or
in areas where back-
ground
noise is excessive
(in
factories, at
the
scene
of
an
accident
or
fire,
in a vehicle, etc.).
If
you
want
a remote speaker, plug
it
il'.l
here.
Connecting a plug
to
this
jack
automatically
disconnects
the
internal
speaker.
Mounting
Bracket-this
universal
type
bracket
is
provided
for
quick
and easy
installation
in a vehicle,
boat
or
for
permanent
installation
in
a
base
station
situation.
Line
Cord-for
AC
operation,
plug
into
a source
of
120
volts,
60
Hz,
AC
power.
Crystal/Program
Switch
Compartment
-remove
screws
to
open
the
case
bottom
to
install
or
replace crystals.
DC
Power
jack
is
for
connecting
an
external source
of
12
volts
DC,
negative
ground
. This
will
permit
you
to
use
the
PR0-16A
in a
vehicle
or
boat
.