28USING THE UNIT Filter maintenance reminderThe maintenance reminder reminds you of the filterreplacement with a pop-up window.The message can be acknowledged by selecting OK.Press the clock button to postpone the reminder for oneweek.DISPLAY SETTINGSSetting the sleep time1. Select Settings > Display settings.2. Select OK.3. Use the Plus and Minus buttons to set the Sleep time.4. Select OK.TIPThe MyVallox Control control panel automatically switchesto the sleep mode when the pre-set Sleep time has elapsed.To reactivate the MyVallox Control control panel, press anybutton.Adjusting the display brightness1. Select Settings > Display settings.2. Select OK.3. Select Right arrow.4. Use the Plus and Minus buttons to set the displaybrightness.5. Select OK.Selecting the user interface language1. Select Settings > Language.2. Select OK.3. Select your language.4. Select OK.SETTINGS