Vox Operation - Yaesu FT-818ND Operating Manual

Transmitter Operation

VOX Operation

The VOX system provides automatic transmit/receive switching based on voice input to
the microphone. With the VOX system enabled, you do not need to press the PTT switch
in order to transmit.
1. Press the key momentarily, then rotate the
Function Row 10 [ VOX, BK, KYR ] appears on the display.
( VOX ) key to activate the VOX circuitry. The "" icon will appear at the
2. Press the
right of the "VOX" indication.
3. Without pressing the PTT switch, speak into the microphone in a normal voice level.
When you start speaking, the transmitter should be activated automatically. When you
finish speaking, the transceiver should return to the receive mode (after a short delay).
4. To cancel VOX and return to PTT operation., again press the
icon will disappear.
5. The VOX Gain may be adjusted, so as to prevent accidental transmitter activation in a
noisy environment. To adjust the VOX Gain:

While still in Operating Row 10 [VOX, BK, KYR], press and hold in the
key for one second. This is a "hot key" feature which will instantly recall Menu #51
(VOX GAIN).

While speaking into the microphone, rotate the
transmitter is quickly activated by your voice, without causing background noise to
activate the transmitter.

When you have selected the optimum setting, press and hold the
second to save the new settings and return to normal operation.
6. The "Hang-Time" of the VOX system (the transmit-receive delay after the cessation of
speech) may also be adjusted via the Menu. The default delay is 1/2 second. To set a
different delay time:

Press and hold in the

Rotate the

Rotate the
delay time.

When your adjustments are complete, press and hold in the
to save the new setting and return to normal operation.
The delay time for return to the receive mode is set independently on CW and voice
modes; for CW, use Menu #17 (see next section).
26
key for one second to activate the Menu mode.
knob to select Menu #50 (VOX DELAY).
knob while saying a brief syllable like "Ah" so as to set the desired
knob, as needed, until Operating
( VOX ) key. The ""
knob to the point where the
key for one second
(VOX)
key for one