# Setup Radiometric Environment Factors
### **1. Overview**
* This section will be setup the environment factors for the radiometric camera of the Vio payload
* To do this section, user must have knowlegde about the radiometric camera. The user can check the datasheet for the radiometric camera of the Vio payload to get more information.
### **2. Setup the radiometric environment factors**
**Atmospheric Temperature (K)**
* **Range:** 100 to 500 Kelvin Set the ambient air temperature for thermal compensation.
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**Distance (m)**
* **Range:** 0 to 255 meters Enter the distance between the VIO and the target object to enhance thermal accuracy.
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**Emissivity Target (%)**
* **Range:** 0% to 100% Defines the emissivity of the target surface.
> ⚠️ Default for most organic materials is around **95%**.
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**Humidity (%)**
* **Range:** 0% to 100% Input the relative humidity of the environment, which may affect thermal readings.
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**ModifyB / ModifyK**
* **Range:** 0 to 255 (each) Advanced calibration parameters used for fine-tuning thermal correction models.
> Only modify if you have specific calibration requirements or guidance.
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**Window Reflect Temperature (K)**
* **Range:** 100 to 500 Kelvin Temperature of the window or lens surface through which the sensor observes the target.
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**Temperature Unit**
Choose your preferred unit for displaying temperature:
* **Celsius (°C)**
* **Fahrenheit (°F)**
* **Kelvin (K)**
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**Saving Your Settings**
Click **“APPLY”** to save and activate the new environmental configuration. Settings will be used to refine thermal imaging calculations in real time.
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