ICOM ic-fr4100 Manual De Usuario
3
11
OPTIONAL UNIT INSTALLATION
■
Opening the repeater’s case
Follow the case and cover opening procedures shown
here when an optional unit is installed or when adjust-
ing the internal units, etc.
here when an optional unit is installed or when adjust-
ing the internal units, etc.
CAUTION: DISCONNECT
the AC power cable
and/or DC power cable from the repeater. Other-
wise, there is danger of electric shock and/or equip-
ment damage.
wise, there is danger of electric shock and/or equip-
ment damage.
q Remove 6 screws from the top of the repeater and
4 screws from the sides, then lift up the top cover.
w Turn the repeater upside down.
e Remove 6 screws from the bottom of the repeater,
e Remove 6 screws from the bottom of the repeater,
and 4 screws from the sides, then lift up the bot-
tom cover.
tom cover.
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Voice scrambler unit
installation
installation
The UT-109 (#01)/UT-110 (#01) provide high perfor-
mance private communication for base operating
mode. In order to receive or send scrambled trans-
missions, the UT-109 (#01)/UT-110 (#01) must be in-
stalled to activate the scrambler function.
mance private communication for base operating
mode. In order to receive or send scrambled trans-
missions, the UT-109 (#01)/UT-110 (#01) must be in-
stalled to activate the scrambler function.
q Remove the top and bottom covers as shown
above.
w Remove 8 screws from the LOGIC shielding plate,
then remove the plate.
e Cut the pattern on the PCB at the RX AF circuit
(CP1) and TX mic circuit (CP2) on the LOGIC unit
as shown at right.
as shown at right.
r Turn the repeater upside down, then install the
scrambler unit as shown below.
t Return the LOGIC shielding plate, top and bottom
covers to their original positions.
NOTE: Be sure to re-solder
above disconnected points,
otherwise no TX modulation or
AF output is available when you
remove the scrambler unit.
above disconnected points,
otherwise no TX modulation or
AF output is available when you
remove the scrambler unit.