The lens filter indicator will blink to signal one is needed after the self-check has been done by the thermometer
To achieve accurate measurements, make sure a new, clean lens filter is in place before each measurement
Attach a new lens filter by pushing the thermometer probe straight into the lens filter inside the box and then pulling out
The Braun ThermoScan will not work unless a lens filter is attached
Always replace disposable lens filters to maintain accuracy and hygiene
Always refer to the instructions manual before use