Kenwood TK-3160 Instruction Manual page 33

5 Turn the transceiver power OFF and then ON again to
save the setting and activate VOX.
To turn VOX operation OFF, enter the VOX Gain level setting
(step 2, above) and press the PTT switch, then turn the
transceiver power OFF and then ON again.
Note:
◆ If a speaker/ microphone is connected to the transceiver while the
VOX function is switched ON and the VOX Gain Level is configured
to a higher, more sensitive level, louder received signals may cause
the transceiver to start transmission.
◆ When you operate the VOX function, you must use an optional
KHS-1 or KHS-2 accessory.
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