Yaesu FTA-310 Operating Manual

FTA-310 OperATing MAnuAl 25advanced operatIonVOX OperationIf you want to have both hands free, use the (user-supplied) Headset and activate the VOX (voice-actuatedtransmit/receive switching) system.Note: The VOX system does not function when usingjust the internal microphone; an external headset mustbe used.To activate the VOX system using the Menu System: Press the [F] key, then press downward on theVOLUME knob to activate the Menu (“SET”) mode. Rotate the DIAL selectorknob to select Menu Item 21“VOX.” Press downward on the VOL-UME knob to enable adjustment of this Menu item. Rotate the DIAL selector knob to select “on” (to en-able the VOX system). When you have made your selection, press down-ward on the VOLUME knob to save the new set-ting, and then press the PTT switch to exit to nor-mal operation. Without pressing the PTT switch, speak into themicrophone in a normal voice level. When you startspeaking, the transmitter should be activated auto-matically. When you finish speaking, the transceivershould return to the receive mode (after a short delay). To cancel VOX and return to PTT operation, justrepeat the above procedures, selecting “oFF” in step4 above.When the VOX system is acti-vated, the “ ” icon will appearon the display.The FTA-310 provides for adjustment of the VOX Gainvia the Menu, to prevent accidental transmitter activa-tion in a noisy environment. To set the VOX Gain: Press the [F] key, then press downward on the VOL-UME knob to activate the Menu (“SET”) mode. Rotate the DIAL selectorknob to select Menu Item 23“VSNS.” Press downward on the VOL-UME knob to enable adjustment of this Menu item. While speaking into the microphone, rotate theDIAL selector knob to the point where the transmit-ter is quickly activated by your voice, without caus-ing background noise to activate the transmitter. When you have selected the optimum setting, pressdownward on the VOLUME knob to save the newsetting, and then press the PTT switch to exit tonormal operation.