Bedienungsanleitung Yaesu FTDX1200 (Seite 75 von 140) (Englisch)

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Page 73

1200 OPERATING MANUAL

VOX

(

SSB/AM/FM MODES:

AUTOMATIC TX/RX SWITCHING USING VOICE CONTROL

)

Instead of using the microphone

PTT

switch or the front panel

[

MOX

]

switch to activate the transmitter, the V2; Vo i c e

2perated T;5; Control) system provides hands-free, automatic activation of the transmitter, based on voice input into

the microphone.

1. 3ress the

[

]

button to select the “

VOX

”,

then press the

[

SELECT

]

button to select “

” .

The “

VOX

” will appear in the display.

. 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 ¿nish speaking, the transceiver

should return to the receive mode after a short de-

lay).

3. To cancel V2; and return to

PTT

operation, press

the

[

SELECT

]

button once more. The “

VOX

” will

turn off, signifying that the V2; circuitry has been

turned off.

DVICE:



The V2; Gain may be adjusted to prevent acciden-

tal transmitter activation in a noisy environment. To

adjust the V2; Gain

1) $ctivate the V2; circuitry, if necessary.

) 3ress the

[

]

button to engage the 0enu

mode.

3) 5otate the

[

VFO-B/CLAR

]

knob or press the



button) to select 0enu item “

181 VOX

GAIN

”, then press the

[

SELECT

] button

4) While speaking into the microphone, rotate the

[

VFO-B/CLAR

]

knob or press the



button)

to the point where the transmitter is Tuickly ac-

tivated by your voice, without background noise

causing the transmitter to activate.

) When you satisfied with the setting, press the

[

SELECT

]

button, then press the

[

]

but-

ton to save the new setting and exit to normal

operation.



The “Hang-Time” of the V2; system the transmit

receive delay after the cessation of speech) may also

be adjusted via the 0enu mode. The default delay is

00 msec. To set a different delay time

1) $ctivate the V2; circuitry, if necessary.

) 3ress the

[

]

button to engage the 0enu

mode.

3) 5otate the

[

VFO-B/CLAR

]

knob or press the



button) to select 0enu item “

182 VOX DE-

LAY

”, then press the

[

SELECT

] button

4) 5otate the

[

VFO-B/CLAR

]

knob while saying a

brief syllable like “$h” and listening to the hang

time for the desired delay.

) When you are satisfied with the setting, press

the

[

SELECT

]

button, then press the

[

]

button to save the new setting and exit to normal

operation.

TRANSMITTER CONVENIENCE FEATURES



The $nti-Trip setting adjusts the level of negative re-

ceiver audio feedback to the microphone, to prevent

receiver audio from activating the transmitter via

the microphone). This setting can also be adjusted

via 0enu item “

183 ANTI VOX GAIN

”.



V2; operation may be engaged on either Voice

modes SSB$0F0) or on $FS.-based 'ata

modes. Use 0enu item “

180 VOX SELECT

” the se-

lections are “

MIC

” and “

DATA

”).

[

VFO-B/CLAR

]

Knob

[

]

Button

[

SELECT

]

Button

[

]

Button

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