Fotric 340M Series, User Manual, Page: 43 / 102

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To set the ambient temperature, please perform the following steps:
1. Click the ambient temperature set button.
2. Slide up and down to set the ambient temperature value.
3. Click on other areas of the thermal image screen, or click the back button to
complete the setting.
Note: The ambient temperature value is set by default in system. This parameter
should be set only if the ambient temperature is higher than the measured
object’s.
4.6.4 Setting Relative Humidity
Relative humidity set is used to compensate for the thermal radiation by
atmosphere moisture between the measured object and the Lens of thermal
imager.
To set the relative humidity, please perform the following steps: