The device factor is for manipulating the systematic data calculation, if the conversion is necessary for the regional setting issue. It is not recommended to change the values without any consultation to NanoEntek technical support team. If you have already consulted with NanoEntek support team regarding to the factor, please follow the following method to change your system's factor.
(1) Click on Item
(2) Press the item that you want to modify. Click on Factor and press Edit button to change the value.