Programmable Encoder Unit - Icom ic-751a Instruction Manual

Hf all band transceiver general coverage receiver
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5)
Orient the
unit so that the
crystal
and
heater terminals are
inserted into
the correct holes
as
indicated
in
the photo.
The
terminals
are labelled
on
the
bottom
of the
unit.
Position the
crystal
unit flush
with the board,
bend
the
leads
against
the
foil
on
the
board and
solder.
6)
Trim
the terminals even with the solder
points.
7)
Replace the
PLL
board
and
re-install
the connectors. Replace the
top
and bottom
covers.
10-5
UT-30
PROGRAMMABLE ENCODER
UNIT
INSTALLATION
1
)
Remove
the
top
cover.
2)
Install
the unit
where
ICS
is
located using the supplied double-
sided tape.
Orient the
unit
as
shown
in
the diagram.
3)
Plug the 3-pin
connector
into*J6
on
the
MAIN
unit.
4)
Program
the unit for the
frequency
required using the
program-
ming
chart.
The UT-30
is
factory
programmed
for
88.5Hz.
5)
Replace the
transceiver cover.
Refer to
SECTION
7
-
6
FM REPEATER OPERATION
for
Instruc-
tions regarding operation.
NOTE:
Install
and
solder
a
jumper
wire
in
each
position
indi-
cated
by
"1"
in
the
table
below.
SUBAUDIBLE
TONE ENCODER PROGRAMMING CHART
• Above
unit
is
programmed
for
an
88.5Hz
tone
at
the
factory.
FRE-
QUENCY
PI
P2
P3
P4
P5
P6
FRE-
QUENCY
PI
P2
P3
P4
P5
P6
67.0
1
131.8
1
71.9
1
136.5
1
1
74.4
1
1
141.3
1
1
1
77.0
1
146.2
1
1
1
1
79.7
1
1
151.4
1
1
82.5
1
1
156.7
1
1
1
85.4
1
1
1
162.2
1
1
1
88.5
-
1
167.9
1
1
1
91
.5
1
173.8
1
1
94.8
1
179.9
1
1
1
97.4
1
1
1
186.2
1
1
1
100.0
1
1
192.8
1
1
1
1
103.5
1
1
1
203.5
1
107.2
1
1
1
210.7
1
1
110.9
1
1
1
218.1
1
114.8
1
225.7
1
1
1
118.8
1
1
233.6
1
1
123.0
1
241.8
1
1
127.3
1
1
250.3
1
1
1
-
48
-

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