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rf
you
require
an
oN-ogF
feature
for
your
igmiter, sinply remove
A
"'"
the
fcrale
junper connector
frmr
Q213 and
put it
on
the collector pin
of
Q212.
1-6
oPERATToN
Vo1une
Control:
Itris control
varies the
audio output
level for
the
internal
speaker.
It
also varj.es the
level of
audio present
at
the external
spealcer corutection.
!{oving
the control
up iacreases the Volrse
level.
Squelch Co:rtrol:
The
squelch
only
works
when
the
radj.o
is in
the nonj.tor
npde. It'
elimiaates
backgror:nd
noise
in
the
absence
of a signal..
Ful1
squelch
is
al;.
the
way
down.
AJ.ert
Monitor
Switch:
In
the
alert
node
oaly the proBerly
coded
sj.gnal can
open
the
squelch.
In
the
nonitolc oode any
traffis,
on
tlre
selected frequency
can be monitored.
Frequencv
Srritch:
this
selects either
Fl or
F2.
Dutv Switch:
Used
only
with
an
MA-3O1
option,
othe::vise
it is left in the
'rlibtmal"
position. fhis
switch'rpuld
al1ow an
appropriately
equipped
radio
to
decode
either
AB
and
AC
or
ZE
and
ZF.
(An
interna.l. corurection
will
allow the
radio
to
decode
A8,
AC
@ O,
ZF
regardless
of
the duty
sritch
position.
Alert
and
Ex. Pwr. Liqht:
Steady
light
indicates
AC
Poner
ON.
No
light
indicates radio
is
on
battery.
Slon Elashing
-
Iow
battery.
Fast
FLashing
-
a
sj.gmal
has
been
received.
Rear Panel:
For
convenience
of
srcbiLe
operation,
we have
included
t'.ro +V connectors
on the
back
of
the
radioi
one
for
the vehj.clers battery
and
one
to
power the
igniter
option MA-24.
Ttre
bottom connector
is for
the
igniter drive.
In
addition'
tlrere
is
an
external
speaker
jack
wtrich
allows
for
a
remotely
located
Epeaker, MA-108,
as
well
as an
external
antenna
jack
to
go
with
the
MA-5
y
coupler
antenna.
L-7
cRYSTAL sPEcr FIcATToNS
Due
to
the
nurnerous
freguencies
or
eh€rnnels
j.:rvolved,
the crystaLs
are
\-
not
nor3a11y
installed
by
tlle factory,
but by the
seller or
oqrner
of
the
unit.
the
Regency
part
ntrmbers
are listed,
in
Section
1-5.
When
ordering
from another
nanufacturer, the foIlow'ing info::mation
shquld be provid,ed:
MCA
5ll
-5-
SECTTON
1
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