77VOICE OPERATED TRANSMISSION (VOX)VOX (VOX/ Semi-VOX) operation allows you to transmit hands-free. This featurecan be activated or deactivated by your dealer. To operate VOX, you must use anoptional headset.VOX TypeVOX: When the voice level to the microphone is higher than the reference level(VOX Gain Level), the transceiver automatically starts transmission.Semi-VOX: Transmission is started by pressing PTT switch and transmissioncontinues while speaking even after PTT switch is released.The Semi-VOX function is effective in the following cases.• Incorrect transmission due to noise.• Voice at start of transmission is interrupted.VOX Operation1 Connect a headset to the transceiver.• The VOX function does not activate when a headset is not connected tothe accessory terminal of the transceiver.2 Press the button programmed as [VOX Function].• Alternatively, you can press the button programmed as [Menu] to enterVOX Mode using the Menu Mode.• Beep A (1 beep) sounds and the “ ” indicator appears on the display.3 To transmit, simply speak to the microphone.4 When you finish speaking, transmission ends.To turn the VOX function OFF, press the button programmed as [VOX Function]button again.• Beep B (2 beeps) sounds and the “ ” indicator will disappear from thedisplay.Note:◆ The VOX Gain Level is set to a sensitive level, signal received with loud volumemay cause the transceiver to transmit.Semi-VOX Operation