To use a digital thermometer to check your body temperature, you need to follow these steps: - Turn on the thermometer and make sure the screen is clear. If it shows any previous reading, press the reset button to clear it. - Choose the location where you want to measure your temperature. You can use a digital thermometer to measure the temperature in your mouth, ear, armpit, or rectum. However, different locations may give slightly different results, so you should use the same location every time for consistency. - If you are using the thermometer in your mouth, make sure you have not eaten or drunk anything hot or cold for at least 15 minutes before taking your temperature. Place the tip of the thermometer under your tongue and close your mouth around it. Do not bite or talk while the thermometer is in your mouth. - If you are using the thermometer in your ear, make sure the ear canal is clean and dry. Gently pull your ear up and back to straighten the ear canal. Insert the tip of th