32
6
OPTIONAL UNIT INSTALLATION
The following PC board modification is required when
installing the optional UT-105, UT-117 or UT-117S:
q
Rotate
[VOL]
to turn the power OFF, and remove the bat-
tery pack. (p. 2)
w
Remove the unit cover as described in the Optional unit
installation (p. 30).
e
Cut and solder the pattern on the PCB at the RX AF cir-
cuit as shown at right.
The next step
r
is necessary for the UT-117S installation.
Go to step
t
to install the UT-105 or UT-117.
r
Cut the pattern on the PCB at the TX mic circuit (MIC) and
RX AF circuit (DISC) as shown at right.
t
Install the UT-105/UT-117/UT-117S as described in the
Optional unit installation (p. 30).
y
Replace the unit cover and the battery pack, then rotate
[VOL]
to turn the power ON.
NOTE: When uninstalling the SmarTrunk 3G™ unit
Be sure to un-solder A and B, and re-solder B and C as
shown below, otherwise no AF output is available.
Moreover, the UT-117S is required to re-solder the TX mic
circuit (MIC) and RX AF circuit (DISC) (p. 31).
A
B
C
Remove
A
B
C
e
r
UT-117S only
■
UT-105, UT-117 and UT-117S installation
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