The Chromegatrol II is a combination power pack, voltage stabilizer and timer that operates the dichroic lamphouses for Chromega D/E, D5-XL and C760 models. The revised all-digital control has a computerized micro-controller, giving the timer a range of .01 seconds to 999 minutes. The controller provides excellent repeatability and accuracy. New digital displays give the user excellent viewing in any darkroom situation and the intensity is fully adjustable. The Chromegatrol II hasa stabilizing power source control with output power fluctioations to within 2% of nominal. It is also capable of taking a foot swith and provides control for a separate safelight. The sturdy, all-metal constructed Chromegatrol II has a chime control and an easy-to-operate key pad.