Use
Models with radio frequency controls The vacuum can be switched to the Standby mode during pauses. ^ Press the Standby button at the handpiece. The LED at the handpiece lights and the vacuum turns off. To turn the vacuum on: ^ Press the Standby button at the hand piece. The LED goes out and the vacuum cleaner turns on to the last selected power level. The respective symbol on the hand piece lights green. ^ Press � to select the lowest power level. ^ Press + to select the highest power level. Only use the Standby mode for short pauses during vacuuming. Do not leave the vacuum in Standby mode, there is a danger of overheating and damage.
