What are the three modes of DR X-ray machine exposure conditions

The biggest difference between the DR X-ray machine and the above-mentioned equipment is that the medium that receives the X-rays passing through the detection part is the detector, and converts the X-rays into electrical signals for output.
Different X-ray machine models have different exposure conditions. Taking a certain type of X-ray machine as an example, the standard setting of exposure conditions is divided into three modes: automatic mode, semi-automatic mode and manual mode. After installing and commissioning the DR X-ray machine, it will work in automatic mode by default. It can also be adjusted to semi-automatic or manual mode as required. Regardless of the standard setting mode of the exposure conditions, the image post-processing parameter names are the same, but the adjustment values ​​​​are different.
In the DR X-ray machine, the flat panel detector plays a decisive role in the photosensitive effect. There are two main methods for direct conversion flat panel detectors and indirect conversion flat panel detectors. The performance and photosensitivity of the indirect conversion flat panel detector depend on the performance of the fluorescent substance cesium iodide crystal and the performance of the amorphous silicon detection element array. Due to the high X-ray sensitivity or response characteristics of the direct conversion flat panel detector, the exposure required to obtain the same photosensitive effect is small. The relationship between the performance of the direct conversion flat panel detector and the photosensitivity effect depends on: the performance of the amorphous selenium, the performance of the detection element array unit, the performance of the high-speed signal processing unit and the relationship between the two.
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