– 26 –Safety informationThe following symbols are used in this manual and on your device:Symbol Signal word MeaningDanger Warning message regarding risk of injury orhealth risk.DangerWarning message regarding risk of injury orhealth risk due to electrical voltage.Important Safety advice concerning possible damage todevice / accessories.Note Note regarding important information.Battery recommendationsThe device is powered by a built-in 3 V lithium battery with 3 V DC. Battery is non-replaceable and non-rechargeable!High direct heat may damage the batteries. For this reason, you shouldnot place the device on heat sources (such as radiators) or in directsunlight.FunctionsTo ensure correct operation of device, please observe the following points:• Do not cover the device!• Do not paint or cover device with wallpaper!• Do not open or attempt to repair the device under any circumstances.Non-observance of the above points will render the guarantee void.• The device is rendered unsuitable for use once it has been dropped or any otherdamage has been suffered.Safety information