19
4
OPTIONAL UNIT INSTALLATION
4
■
Scrambler unit installation
The following PC board modification is required when installing the
optional UT-109 or UT-110.
q
Rotate
[VOL]
to turn the power OFF, and remove the battery
pack. (p. 3)
w
Remove the unit cover as shown at left (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 shown at left (Optional unit installa-
tion.)
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 discon-
nected points at left, otherwise
no TX modulation or AF output is
available.
