Use Instructions

The thermometer includes a recall of the past ten temperatures taken. Press the history button to see the
last temperature. Continue pressing the history button to see previous temperatures one at a time up to ten
temperatures.
Oral Use
1. Press the power button and then place the thermometer in your mouth to begin measuring.
2. Place the probe under the tongue as near as possible to a heat pocket at the back of the mouth, as noted
in the diagram below.
3. Hold the thermometer in place during the measurement; do not bite down on the thermometer. The
mouth must remain closed to ensure accurate results. The reading should take approximately 20 seconds.
4. When the measurement is complete the thermometer will provide feedback. The feedback can be light
and/or sound based on user settings. The final temperature value will be displayed on the thermometer
screen.
5. After a measurement is completed, simply press the power button to turn the thermometer off or the
thermometer will shut off automatically.
Troubleshooting / Error Codes
Performance may be affected should one or more of the following occur:
• Operation outside stated temperature and humidity range
• Storage outside the stated temperature and humidity range
• Mechanical shock
• User temperature is below ambient temperature
Error
Problem/Cause
Solution
Temperature too low,
try again
Starting temperature value is below
60.8°F (16°C) or final temperature
value is too low, below 89.6°F
(32.0°C)
Try measuring the temperature
again. Make sure that your
environment is in the operating
range and that the thermometer is
placed as described in the diagram
in the ‘Oral Use’ section.
Temperature too high,
try again
Starting temperature value is above
104°F (40°C) 40 or final temperature
value is too high, above 109.04°F
(42.0°C)
Try measuring the temperature
again. Make sure that your
environment is in the operating
range and that the thermometer is
placed as described in the diagram