Layer Management > Layer Properties > Image Layer-Symbology

Image Layer-Symbology

Layer properties of image layer include Source, Spatial Reference and Display tabs. But to DXF file in CAD system, it has one more tab of Symbology to set. Symbology is to assign whether the layer is visible and the display color. Except 0 layer is the layer reserved by CAD system, the other layers are designed or created by users on their own. refers to visible layer; refers to invisible. And the color of the layer symbol can be changed by tapping the left color square to choose new color.