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Characters sent with the keyer paddle or an attached keyboard will
appear on the text decoder's TX line.
VOICE MODES
The K4 can obtain voice audio from the front mic, rear mic, or LINE IN
(analog or digital), or a combination of these. These selections are
made by tapping <TX>, then <MIC INP>. Some operators prefer to use
a rear-panel mic to eliminate clutter at the front panel.
For a complete list of mic and line settings, refer to the TX function
section.
Transmit is normally initiated by the mic PTT (push-to-talk) switch,
[XMIT] switch, or [VOX] (voice-operated relay). You can also use a foot
switch, computer or other device to engage PTT. See descriptions of
the PTT IN, USB, RS-232, and ACC jacks.
It is possible to send CW while in SSB modes. For details refer to the
CW TX in SSB Mode menu entry.
Before transmitting in voice modes, you'll need to properly set up
voice monitoring, mic gain, compression, and power level. These are
covered in the following sections. For this purpose, VOX should be
turned off.
Voice Monitoring
Voice monitoring allows you to hear the way you’ll sound on the air
with your selected mic gain, compression, and TX EQ settings (as well
as the effect of the "TX Audio LF Cutoff, SSB" menu entry). You can
optionally remove all DSP speech processing delays and other effects
from voice monitor audio by settling MENU:TX Monitor Method,
Voice to Fast.
To set up voice monitoring:
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