Switching Speaker Output When A Speaker-Microphone Is Connected; Automatic Band Change Function; Simultaneous Receive Function Of Two Signals In The Same Band - Kenwood TH-78A Instruction Manual

3) Connect your earphone to the External Speaker jack.
4) Set the volume to a comfortable level.
Note
If you perform this operation, the internal speaker
volume is also reduced. If you stop using the
earphone, repeat step 1 to return to the original
volume settings.
7

Switching speaker output when a speaker-microphone is connected

If you connect a speaker-microphone to the external speaker jack, you will hear the mixed receive tones of the
VHF and UHF bands from the speaker- microphone. These tones can be separated to the transceiver's internal
speaker and the speaker- microphone.
1) Press the F key then the 6 key.
You will hear the receive audio of the active band from the speaker-microphone and the receive audio of the
sub-band from the internal speaker.
2) If you want to change the speaker output, press and hold the F key for longer than one second, then press the
6 key.
8

Automatic Band Change Function

The Automatic Band Change function automatically switches transmit control from the RX/TX band to the RX only
band whenever a signal is received that opens squelch on the RX only band.
1) Press the F key, then press the BAND/A.B.C. key within 10 seconds.
The A B C indicator displays.
2) If a signal comes in on a RX-only band and the BUSY indicator lights, the PTT indicator lights for the receive-
only band.
3) If you now press the PTT switch, the A.B.C. function turns off, and you can respond to the call from the other
party.
Note
When the incoming signal drops out three seconds the PTT indicator will return to the previously
Selected position.
9 Simultaneous Receive Function of Two Signal in the Same Band
This transceiver has been factory-programmed to receive one VHF signal and one UHF signal at the same time. It
is also possible to receive two signals in the same band at the same time. While displaying the same band, two
different signals can be selected.
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