1>install battery
2>for the first use or when inserting new batteries wait between 10 inutes for the warm-up of the apparatus and when inserting the new batteries.
3.Aim towards the forehead(see the diagram below for the RC001 positioning),  from a distance of 5cm (2in), press the measuring key, the temperature is displayed in 1 second. Thetemperature can also be taken behind the ear lobe.
4. Before taking the temperature, make sure to remove hair and perspiration from the forehead. you can also take the temperature behind the ear lobe.

How to take a temperature Aim at the forhead.

 over the right temporal region, from a distance of about 5cm. press the thermometer's measurement button and the temperature is instantly displayed. the reliability of the measurement cannot be guaranteed if the temperature is measured over another part of the body(e.g:arm, torso.....