The projections are AP & lateral. The centering is perpendicular to the midpoint of the
forearm (midway between the elbow and wrist joints).
FFD is 100 cm. Direct beam. No bucky.
Cassette size 10x12"
You may split your cassette to accommodate both projections in 1 film.
The exposure factors depends on the x-ray system. It should be around 52kV and 3mAs.