How to change warning level of a Proximity Alert

The warning signal has 4 levels. When the Dongle is in operation, the level can be changed by pressing the button of the unit. The device indicates the level at which the dongle is set:

• High: 2 times an acoustic and vibration signal with maximum strength
• Medium: 2 times an acoustic and vibration signal with medium strength
• Low: 2 times an acoustic and vibration signal with low strength
• Vibra: 3 times a vibration signal with maximum strength