This device is in the CR, to the left of the depth gauges and diving plane control.
When i open a dds-file with my photoshop plugin (choosing "default size" and "load MIP-Maps"), i get this:
https://imgur.com/a/VAuGO58
I thought it is normal, so that the textures for the different distances can be changed. And how many bpp shouldt it have? Here it has 8 bpp, but when i open it with IrfanView it tells me 24 or 32 bpp. I am a bit confused...