Return the instrument to its charger
Gently pull the ear up and back in adult
Gently clean sensor with alcohol swab, return to storage unit
Tympanic method is preferred method
Hold the thermometer in place until 5 to 30 seconds
To maintain battery charge of thermometer unit
To have a better access to the tympanic membrane
Because it's non invasive
To reduce the infection transmission
To obtain accurate reading.