Step 1. Remove the sensor cap to expose the sensor probe.
Step 2. Fore adults, pull the ear backwards and upward with your free hand to straighten.
Step 3. Gently insert the sensor into the ear canal.
Step 4. Ensure that the sensor is aimed directly toward the eardrum.
Step 5. If the ear canal is not straightened, inaccurate readings may result.
Step 6. For children between 6 and 12 months old, pull the outer ear straight backward.
Step 7. Press the button once to take the measurement.
Step 8. A beep indicates that the measurement has been taken and the thermometer may be removed from the ear.
Step 9. Look at the display to read the temperature.
Step 10. Clean the sensor and cover it again with the sensor cap.