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 adjust the in-
ternal 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.
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,
and 4 screws from the sides, then lift up the bot-
tom cover.
■
Voice scrambler unit
installation
The UT-109 (#01)/UT-110 (#01) provides 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 and 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.
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.
Summary of Contents for IC-FR3000 Series
Page 1: ...INSTRUCTION MANUAL VHF FM REPEATER iFR3000 UHF FM REPEATER iFR4000...
Page 22: ...17 MEMO...
Page 23: ...18 MEMO...
