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VOICE OPERATED TRANSMISSION (VOX)
VOX (VOX/ Semi-VOX) operation allows you to transmit hands-free. VOX can only
be used if you are using a supported headset.
VOX Type
VOX: 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 or the button
programmed as [Second PTT] and transmission continues while speaking even
after PTT switch is released or the button programmed as [Second PTT].
The Semi-VOX function is effective in the following cases.
• Incorrect transmission due to noise.
• Voice at start of transmission is interrupted.
VOX Function Setup
To activate VOX and set the VOX Gain level, perform the following steps:
Connect the headset to the transceiver.
1
• The VOX function does not activate when a headset is not connected to the
accessory terminal of the transceiver.
With the transceiver power OFF, press and hold the Side 1 button while turning
2
the transceiver power ON.
Continue to hold the Side 1 button until Beep A (1 beep) sounds.
3
• The LED indicator lights turn yellow.
• When the Side 1 button is released, the transceiver will announces: Zone
number, Channel number, VOX Gain level.
Use the button below to set VOX function.
4
• Press the Side 2 button to enable or disable the VOX function for the current
zone-channel. When turned ON, Beep A (1 beep) sounds. When turned
OFF, Beep B (2 beeps) sounds.
- You can change this settings for each zone and channel (selecting a zone:
press and hold the Side 2, selecting a channel: rotate the Selector).
• Press the Side 1 button to set the VOX Gain level, from 1 (least sensitive) to
10 (most sensitive).
• Press and hold the Side 1 button to toggle VOX type to VOX or Semi-
VOX. When Semi-VOX is selected, Beep A (1 beep) sounds. When VOX is
selected, Beep B (2 beeps) sounds.
Press the PTT switch to save the settings.
5
• Beep A (1 beep) will sound.
• The transceiver announces the new VOX Gain level.
Turn the transceiver power OFF and then ON again to activate VOX.
6
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