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ADJUSTMENTS
LB131154
6.
Apply
a Type 90 signal
to the RF
generator.
7.
Disconnect
the RF Signal
Genera-
tor
from
the
repeater
antenna
jack
and then
apply
the
Channel
Guard
tone.
The mobile
radio
should
key
up
after
a
short
delay
(l/4
to 2 second).
Mobile
Detector
Squelch
Adjustment
1.
If
the
vehicular
repeater
is
equipped
with
a Mobile
Detector,
select
a non-simplex
channel
and
apply
a 10 dB quieting
signal
on
the
RF frequency
to
the
vehicu-
lar
repeater
antenna
jack.
2.
Adjust
MON SQ ADJ control
R77 on
the
vehicular
repeater
system
board
so that
a
voltage
at
test
point
TP18
on
the
vehicular
repeater
system
board
switches
from
less
than
1 volt
to
more
more than
8 volts.
OPERATION
Complete
operating
instructions
for
the
Two-Way Radio
equipment
are
provided
in
the
separate
Operating
Manuals.
The
basic
procedures
for
receiving
and trans-
mitting
messages
and enabling
the vehicu-
lar
repeater
are as follows:
MOBILE RADIO OPERATION
r
NOTE
A PE radio
should
be inserted
into
the
vehicular
charger
or
the
REPEATER pushbutton
switch
be in
the
"off"
position
when
the operator
is
in the vehicle.
To Receive
A Message
1.
2.
3.
4.
The
Turn
on
the
mobile
radio
by
pressing
the POWER switch
to the
"on"
position.
The
power
on
indicator
will
glow.
Turn
the
SQUELCH control
(if
present)
clockwise
(to
the
right)
as far
as possible.
Adjust
the
VOLUME control
until
the
noise
is
easily
heard,
but
is not annoyingly
loud.
Now,
slowly
turn
the
SQUELCH
control
counterclockwise
(to
the
left)
until
the noise
just
fades
out.
mobile
radio
is
now
ready
to
receive
messages
from other
radios
in the
communication
system.
To Transmit
A Message
1.
Turn
the mobile
radio
on.
2.
Remove the
microphone
from
the
hookswitch
and
press
the
push-
to-talk
(PTT)
button
on
the
microphone.
Speak
across
the
face
of
the
microphone
in
a
normal
voice.
The red
transmit
indicator
on
the
control
unit
will
glow
each
time
the
micro-
phone
PTT button-
is
pressed,
indicating
that
the mobile
radio
transmitter
is
operating.
Re-
lease
the
microphone
PTT button
to receive
messages.
The mobile
radio
should
be used
~ziiG-Lq
AUTOMATIC OPERATION OF VEHICULAR REPEATER
SYSTEMS
To Turn On Vehicular
Repeater
System
1.
Turn
on
the
mobile
radio
and
select
the repeater
channel.
2.
Apply
power
to
the
vehicular
repeater
radio
by
pressing
the
POWER switch
on the
vehicular
charger
to ON.
The ON indicator
will
glow.
3.
Depress
the
REPEATER
ENABLE
pushbutton
switch
to
the
"on"
position.
To Enable
Vehicular
Repeater
System
1.
Turn
on the
Vehicular
Repeater
System.
2.
Remove
the
PE radio
from
the
vehicular
charger
by
unlocking
the
release
button,
if
required,
and
pressing
in
on the
release
button.
3.
The ENABLED indicator
will
glow
indicating
that
the
Vehicular
Repeater
System has been enabled
for
communications
away from the
vehicle.
9
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