Optional Accessories; Cw Filter Installation; Tone Unit Installation - Kenwood TS-680S Instruction Manual

7. OPTIONAL ACCESSORIES
7-1. CW FILTER INSTALLATION
1. Remove the case and open the subchassis. Please
refer to Sections 6-6-1 and 6-6-2.
Caution:
Open on a flat surface.
2. Remove the two screws on the boss of the small
printed circuit board on the right side of the signal
unit.
3. Plug the CW filter in to the connector. The filter is
not polarized so it may be placed in either direc-
tion.
Note:
Do not pinch any cable harnesses when reas-
sembling.
4. Secure with the screws removed in Step 2.
5. Close the subchassis and replace the top and bot-
tom covers.
Note:
Avoid catching your fingers and wiring harness
when closing.
7-2. TU-8 TONE UNIT INSTALLATION
1.Remove the top and bottom covers of the
transceiver. Refer to Sections 6-6-1 and 6-6-2.
2. Remove the backing from the cushion attached to
the front of the signal unit.
Front ZL! FE '
A :
Ze
Za
ZB
3. Remove the backing from the cushion attached to
the TU-8.
4. Attach the TU-8 in the area illustrated (Labeled
OPTION TONE UNIT) on the signal unit.
Note:
Do not pinch any cable harnesses when reas-
sembling.
5, Plug in the 3 pin connector that is located near the
TU-8 as shown.
6. Close the subchassis and replace the top and bot-
10m covers.
Note:
Avoid catching your fingers and witing harness
when closing.
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