Kenwood TH78E - Manual (Page 61)

1 Installing the CTCSS Unit (TSU-7)
1 Slide the release button to unlock, then pull out
the battery case.
2 Unscrew the four screws on the rear (Fig. 1). The
screw near the antenna connector is a short one.
3 Put your finger into the battery holder, and release
the claw of the rear case. (Fig. 2)
4 Position the set with its front facing forward.
5 Open the front panel from the PTT switch side,
being careful of the internal wiring and water
resistance rubber attached LEDs. (Fig. 3)
6 Remove the jumper wire (J301) using a pair of
nippers.
7 Attach the TSU-7 to the transceiver, as shown in
fig.4.
8 Replace the case in its original position, taking
care not to pinch any wires or cables under the
case.
9 Install the four screws.
Fig. 1 Fig. 4
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