Vox (Automatic Tx/Rx Switching Using Voice Control) - Yaesu FT DX 3000 Operating Manual

T
ranSMiTTer
vOX ( ssb/Am/Fm m
Instead of using the microphone's PTT switch or the front panel [ MOX ] switch to activate the transmitter, the VOX (Voice
Operated TX/RX Control) system provides hands-free, automatic activation of the transmitter, based on voice input into
the microphone.
1. Press the [ p/q/t/u ] button to select the "VOX",
then press the [ SELECT ] button to select "ON".
The "VOX" will appear in the display.
2. Without pressing the PTT switch, speak into the
microphone in a normal voice level. When you start
speaking, the transmitter should be activated auto-
matically. When you finish speaking, the transceiver
should return to the receive mode (after a short de-
lay).
3. To cancel VOX and return to PTT operation, press
the [ SELECT ] button once more. The "VOX" will
turn off, signifying that the VOX circuitry has been
turned off.
A :
dvice
 The VOX Gain may be adjusted to prevent acciden-
tal transmitter activation in a noisy environment. To
adjust the VOX Gain:
1) Activate the VOX circuitry, if necessary.
2) Press the [ MENU ] button to engage the Menu
mode.
3) Rotate the [ CLAR/VFO-B ] knob (or press the
p /q button) to select Menu item "181 VOX
GAIN", then press the [ SELECT ] button .
4) While speaking into the microphone, rotate the
[ CLAR/VFO-B ] knob (or press the p/q button)
to the point where the transmitter is quickly ac-
tivated by your voice, without background noise
causing the transmitter to activate.
5) When you satisfied with the setting, press the
[ SELECT ] button, then press the [ MENU ] but-
ton to save the new setting and exit to normal
operation.
 The "Hang-Time" of the VOX system (the transmit/
receive delay after the cessation of speech) may also
be adjusted via the Menu mode. The default delay is
500 msec. To set a different delay time:
1) A ctivate the VOX circuitry, if necessary.
2) Press the [ MENU ] button to engage the Menu
mode.
3) Rotate the [ CLAR/VFO-B ] knob (or press the
p/q button) to select Menu item "182 VOX DE-
LAY", then press the [ SELECT ] button .
4) Rotate the [ CLAR/VFO-B ] knob while saying a
brief syllable like "Ah" and listening to the hang
time for the desired delay.
5) When you are satisfied with the setting, press
the [ SELECT ] button, then press the [ MENU ]
button to save the new setting and exit to normal
operation.
Page 72
c
Onvenience
:
Odes A TX/rX s
UTOmATic
 The Anti-Trip setting adjusts the level of negative re-
 VOX operation may be engaged on either Voice
F
eaTureS
v
wiTching Using Oice
[ MENU ] Button [ SELECT ] Button
[ ] Button
p/q/t/u
ceiver audio feedback to the microphone, to prevent
receiver audio from activating the transmitter (via
the microphone). This setting can also be adjusted
via Menu item "183 ANTI VOX GAIN".
modes (SSB/AM/FM) or on AFSK-based Data
modes. Use Menu item "180 VOX SELECT" (the se-
lections are "MIC" and "DATA").
FT 3000 O
DX
)
c
OnTrOl
[ CLAR/VFO-B ] Knob
M
peraTing anual