The complete manual for Darkroom Automation's Memory f-Stop Timer is available on the DA web site at:

http://www.darkroomautomation.com/su...stinst104a.pdf

The Memory f-Stop Timer adds 300 steps of non-volatile exposure memory, extremely flexible dodging and burning schemes, split-grade printing with seperate contrast/exposure control, drydown and paper speed compensation, lamp delay correction and more to Darkroom Automation's exposure control product offering.