Tchibo 605 193 Instructions For Use Manual page 18

The walkie-talkie will also switch to transmission
mode when it picks up other noises. For this reason,
we recommend not using the VOX function in a loud
or windy place.
1. Switch the device on.
2. Press the
and the VOX symbol
3. Use the
level between 1 and 3. 3 is the highest sensitivity level. If you
would like to switch the VOX function off, press the
buttons until OF appears on the display.
4. Press TALK to save the setting.
button three times. The last selected setting
and buttons to select your preferred sensitivity
will appear on the display.
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and