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microHAM micro KEYER Quick Start Manual page 4

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Settings for footswitch or mic PTT keying

This setting is applied when transceiver is keyed by the microphone PTT or a footswitch

attached to the Footswitch jack on the back of the micro KEYER.

A - This setting disconnects computer generated audio from the transceiver and connects the

station microphone to the radio. This setting is very useful for SSB when is required to have

microphone connected directly to the transceiver and stop a message in progress without

hitting keyboard Esc key first.

B - This setting routes audio from the computer sound card output to the transceiver rear audio

input and connects station microphone to the sound card microphone input. This setting is

useful for digital mode operation when the computer does not provide a PTT keying signal and

you wish to have T/R switching fully under control by footswitch and not by VOX.

C - This setting routes audio from the computer sound card output to the transceiver

microphone input and connects station microphone to the sound card microphone input. This

setting is useful for SSB operation when computer does not generate a PTT keying signal and

you wish to control T/R switching manually by footswitch.

microHAM America, LLC

Box 1257

Geneva, FL 32732