17
7
OPTIONAL UNIT INSTALLATION
N
UT-124 installation
Install the optional UT-124
MAN
DOWN
UNIT
as follows:
q
Rotate
[VOL]
to turn the power OFF, and remove the bat-
tery pack. (p. 1)
w
Remove the unit cover.
NOTE:
Use a flat head screw driver or a similar flat instrument,
and insert into the hollow of the chassis, then lift and take away
the unit cover. (The removed cover cannot be used again.)
e
Install the unit as shown below.
r
Replace the unit cover and the battery pack, then rotate
[VOL]
to turn the power ON.
N
UT-108 installation
Install the optional UT-108
DTMF
DECODER
UNIT
as follows:
q
Rotate
[VOL]
to turn the power OFF, and remove the bat-
tery pack. (p. 1)
w
Remove the unit cover as shown at left.
e
Cut and solder the pattern on the PCB at the RX AF cir-
cuit as shown below.
r
Install the UT-108
DTMF
DECODER
UNIT
the same way as de-
scribed in the optional UT-124 installation as shown at left.
t
Replace the unit cover and the battery pack, then rotate
[VOL]
to turn the power ON.
NOTE:
Be sure to un-solder A and B, and re-solder B
and C, otherwise no AF output is available when you
remove the DTMF decoder unit.
A
B
C
