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1. Connect the thermometer to an adaptor DC 5V by the USB cable and turn on the upper
button, position 1.
2. Temperature measurement: place the surface to measure in front of the thermometer,
distance 5 ~ 10 cm.
3. Working modes: there is a small holeo on the back side. Insert a screwdriver
(diameter < 3 mm) to press an internal button.
(1) Temperature unit: Press the internal button to select ºC or ºF.
C: Celsius / F: Fahrenheit
(2) Working modes: Press the internal button for 3 s. to select the following
working modes:
• Sur: Surface object mode.
• Bod: Body temperature mode.
• Cou: Counting mode.
4. Install and replace battery.
(1) Remove the four screws from the back side.
(2) Open the back base and install/replace the battery Li-ion model 18650.
5. Installation ways.
(1) By two screws.
(2) By two doble-sided adhesive.
(3) By a bracket fixing.
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