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6
OPTIONAL UNIT INSTALLATION
■
Scrambler unit installation
The following PC board modification is required when
installing the optional UT-109, UT-110 or UT-117 (scrambler
version):
q
Rotate
[VOL]
to turn the power OFF, and remove the bat-
tery pack. (p. 2)
w
Remove the unit cover as shown on p. 30 (Optional unit
installation).
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 Optional unit
installation (p. 30).
t
Replace the unit cover and the battery pack, then rotate
[VOL]
to turn the power ON.
NOTE: When uninstalling the scrambler unit
Be sure to re-solder the disconnected points at left, other-
wise no TX modulation or AF output is available.
IC-F33_43GT_GS-1.qxd 04.6.4 3:43 PM Page 31 (1,1)