ADI AR-146 - INSTALLING ACCESSORIES; CTCSS Unit Installation; DTMF Unit Installation

a
Installing
accessories
DTMF
unit
DTF146
CAUTION
1.
Remove
the
2
screws
securing
the
Top
cover.
Before
installation,
be
sure
to
disconnect
the
DC
power
supply,
or
2.
Carefully
remove
the
top
cover.{Fig.1)}
battery, or damage may occur the equipment.
CTCSS unit CTS 146
The use of the optional sub-audible tone decoder CTS146
allows CTCSS (Tone squelch) operation. When this option is
active squelch will only open when the proper tone is received.
:
Fig.
1
Installation
1.
Remove
the
2
screws
securing
the
3.
Remove
the
backing
fromthe
smali
cushion
provided
with
the
5
a
hay,
'
DTF146
and
attach
it
to
the
back
of
the
DTF146.
‘ti
un
remove
the
top
cover-
4.
Plug
the
three
connectors
into
the
sockets
in
the
units.
-(Fig-?)
.
5.
Attach
the
cable
from
DTF146
as
shown
in
Fig.2
3.
Remove
the
backing
from
the
small
Detent
cushion provided with the CTS146
and attach it to the back of the
CTS 146 as shown in Fig.2.
4. Attach the cable from CTS146 as
shown in Fig.2. Cushion
5. Remove the badking from the other
side of the small cushion and
attach the CTS146 to the tran-
sceiver as shown.
6. Replace the cover and tighten the
screws to complete the installation.
DTF146
DTF146
Attach the cable.
40