Optional Ut-109 Or Ut-110 Installation; Optional Opc-617 Installation - Icom IC-F111 Instruction Manual

■ Optional UT-109 or UT-110
installation
q Turn the power OFF, then disconnect the DC power cable.
w Unscrew the 4 cover screws, then remove the bottom
cover.
e Cut the pattern on the PCB at the TX mic circuit (MIC) and
RX AF circuit (DISC) as shown below.
r Install the scrambler unit as described in the installation of
optional UT-108 as on the page at left.
t Replace the bottom cover and screws.
MIC
DISC
NOTE: Be sure to re-solder
the above disconnected
points when you remove
the scrambler units. Other-
wise no TX modulation or
AF output is available.

■ Optional OPC-617 installation

Install the OPC-617 as shown below.
Front panel
OPC-617
OPTIONAL CABLE PIN ASSIGNMENT
t r e w q
o i u y
CONNECTION AND MAINTENANCE
Cut off the bushing as in the illustra-
tion, when you install the optional
OPC-617.
q Dimmer cont. IN or
IGSW cont. IN
w AF OUT
e Det. AF OUT
r Mod. IN
t PTT control IN or
FTSW control IN
3
y Horn drive cont. OUT
u AF GND
i Det. AF GND
o Mod. GND
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