The Verification Tone lets you know whether or not the mobile unit is working.
You can hear this tone as long as you are connected to the repeater.
By following the steps below you can turn off the verifcation tone:
1. Switch off the unit (disconnect the power plug)
2. Switch on for 1–5 seconds and switch it off again.
3. Switch on again. The LED on the unit is flashing slowly, switch off again.
4. Switch it on again. The verification tone is then activated or deactivated.