Optional Accessories; Ctcss Unit Tsu-6 - Kenwood TM-631A Instruction Manual

7. OPTIONAL ACCESSORIES
7-1. CTCSS unit TSU-6
The use of the optional sub-audible tone decoder TSU-6 al-
lows for CTCSS (Tone squelch) operations. When this op-
tion is activated the squelch will only open when the proper
sub-audible tone is received.
7-1-1. Installation
Caution:
Before installation, be sure to disconnect the DC power cord,
or damage may result to the transceiver or the unit.
1. Loosen the 2x2 side
screws.
loosen ?
2. Remove the 2 screws loosen S
securing the Top cover.
3. Remove the 2 screws .
securing the rear panel. ' loosen
4. Gently remove the top : loosen
cover. Be sure not to Fig. 1
disconnect the wire to
speaker.
5. Remove the backing from
— Cushion
the cushion (small) that <>
was provided the TSU-6 | 2
and attach it to the back of in A
the TSU-6. (Fig. 2)
32
, . Remove the resistor
6. Remove the resistor insert- TSU-6
ed into the connector. At-
tach the cable from TSU-6
as shown in the diagram.
(Fig. 3)
7. Remove the backing from
the other side of the
cushion and attach the
TSU-6 to the transceiver.
8. Route the wiring as shown
in the diagram. (Fig. 4)
Chemical (Xe)
condenser
Fig. 4
9. Replace the covers and tighten the screws to complete
the installation.
7-2. REMOTE CONTROLLER RC-10
CAUTION:
ENSURE THE TRANSCEIVER AND THE RC-10 ARE TURNED
OFF BEFORE MAKING THE CONNECTION.