Model: VNT275US
This manual provides essential instructions for the safe and effective operation of your Vicks Non-Contact Infrared Thermometer, Model VNT275US. Please read this manual thoroughly before using the device and keep it for future reference.

Image: Rear view of the Vicks thermometer showing the battery compartment.
This image illustrates the location of the battery compartment at the base of the thermometer's handle, where two AAA batteries are inserted.

Image: A Vicks Non-Contact Infrared Thermometer being used to measure a child's forehead temperature.
This image demonstrates the correct positioning of the thermometer for taking a non-contact forehead temperature reading.

Image: The Vicks thermometer's Fever Insight feature displaying green, yellow, and red screens for different temperature levels.
This image illustrates the color-coded display feature, which changes from green (normal) to yellow (mild fever) to red (high fever) based on the temperature reading.
Video: Instructions on how to change temperature units and mute the Vicks thermometer.
This official Vicks video demonstrates the process of switching between Fahrenheit and Celsius temperature units, and how to activate or deactivate the mute function on the thermometer.
| Problem | Possible Cause | Solution |
|---|---|---|
| No display when powered on. | Batteries are dead or incorrectly inserted. | Check battery polarity or replace with new AAA batteries. |
| Inaccurate readings. | Incorrect measurement distance or angle; dirty sensor; environmental factors. | Ensure correct distance (0.4-2 inches) and aim. Clean the sensor. Avoid drafts or extreme temperatures during measurement. |
| "Lo" or "Hi" displayed. | Temperature is outside the measurable range. | Ensure the thermometer is in the correct mode (Body/Surface) for the intended measurement. |
| Sound not working. | Mute function is activated. | Press the "SET" button quickly to toggle the sound ON. |
For warranty information or customer support, please refer to the warranty card included with your product or visit the official Vicks Devices website. You can also visit the Vicks Store on Amazon for more product details and support resources.
Manufacturer: Vicks (Kaz Inc.)
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