19
4
OPTIONALUNIT INSTALLATION
4
■Scrambler unit installation
The following PC board modification is required when installing the
optional UT-109 or UT-110.
qRotate [VOL] to turn the power OFF, and remove the battery
pack. (p. 3)
wRemove the unit cover as shown at left (Optional unit installation.)
eCut the pattern on the PCB at the TX mic circuit (MIC) and RX
AF circuit (DISC) as shown below.
rInstall the scrambler unit as shown at left (Optional unit installa-
tion.)
tReplace 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.
IC-F14_F24-6.qxd 06.9.29 6:09 PM Page 19 (1,1)