Quote Originally Posted by lloyd528 View Post

If you find it necessary, the Direct Positive paper can be easily flashed in advance of use for coping with contrasty lighting, assuming that you have some sort of darkened room available. Do it in the same way as for flashing a normal print - choose some level of flashing-exposure below that which gives the first visible grey.

Actually direct positive is reversed so when pre flashing your looking for the first sign of the change from black to less than black. Not white to grey.