Kenwood TH-25A Series Instruction Manual page 17

®@ Tone Activation
To activate the TONE function depress the TONE switch on
the top of the transceiver. The tone indicator will appear in
the display to signify the tone has been activated. To turn
the tone OFF press the TONE key again.
Tone frequency selection
4. lf CTCSS (Tone Sque-
Ich) is not desired press the CTCSS key to cancel the
function. The transmit tone will still be active.
Note:
When no Tone Unit is installed, pressing the TONE key will not
transmit a subtone, even if the indicator is ON.
18
=i
@ TSU-6 (option) Installation
1. Remove the backing from
the
cushion
(large) that
Terminal plate
g
was
provided the TSU-6
Spring
and attach it to the back
A
of the TSU-6.
2. Remove the Battery Pack
and remove
the
four
incer
phillips head screws from connecter
the terminal plate of the
transceiver. Sa
lear tube x
4. Remove
the
clear tube
~~
fe
covering the connector,
and the resistor inserted
into the connector.
"Cushion
(large)
on