Vox Level; Vox Delay Time; Beep On/Off - Man 3008 VOX Manuel

7.1.2. VOX Level

The VOX level sets the noise level at which the automatic VOX
transmission is activated.
1 = low sensitivity, VOX only reacts to very loud noise
9 = high sensitivity, VOX already reacts to very low noise
The default setting is level 6.

7.1.3. VOX Delay Time

The VOX delay time determines the time after which the
automatic VOX transmission turns off without any sound being
detected:
Level
Time
(Sec)
You can set the delay time in 9 levels. The default setting is
level 4.
7.1.4. Keytones
Activate/deactivate the keytones (Beep on/off).
44
1 2 3
0,5 1,0 1,5
4 5 6
2,0 2,5 3,0
7 8 9
3,5 4,0 4,5