I remade this video, better...? https://youtu.be/OEL4dv2T17o?si=tfd6x9OLYV_eq-NV
A brief-ish video on using Hasselblad's CFV digital back on the 500 series film cameras.
Usually employed in tandem with the 907x, few videos cover the exclusive use on the back of the 500cm or similar cameras. Well, here ya go.