Icom IC-F610 Instruction Manual - page 10
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CONNECTION AND MAINTENANCE
Install the optional UT-109 and UT-110 as shown below:
q Turn power OFF, then disconnect the DC power cable.
w Unscrew the 4 screws, then remove the bottom cover.
e Remove the unit pre-installed at the factory.
r Cut the print pattern on the PCB at the TX mic circuit (A)
and RX AF circuit (B) as shown below.
t Install the scrambler unit.
y Replace the bottom cover and screws, then the DC power
cable.
NOTE: Be sure to re-solder
the disconnected points at
left, otherwise no TX modu-
lation or AF output is avail-
able when you remove the
scrambler units.
B
■ Optional UT-109/UT-110 installation
Front panel
IC-F610_F620_F621-2.qxd 04.3.17 3:51 PM Page 7 (1,1)