Icom IC-FR3000 [16/24] Optional unit installation

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.