■ 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.
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.
OPC-617
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
y Horn drive cont. OUT
u AF GND
i Det. AF GND
o Mod. GND
OPTIONAL CABLE PIN ASSIGNMENT
t r e w q
o i u y
FTSW control IN
14
3
CONNECTION AND MAINTENANCE
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