Control unit for B&W processes using an external timer
If you like to use your timer or analyzer further on, please choose t
his control unit to set the color of the LED cold light source.
By rotating the left knob choose the principal mode:
- White light for focusing purposes or to expose fixed grade paper.
- Green and blue light to expose multigrade paper in the range of grade 00 to 5.
- Safe red light to align the paper or to position your hands or a tool for dodging.
The intensity could be adapted to the print size in a range of 4 f-stops by means of the right hand knob.
All values are dialed in by rotary knobs with rests and are displayed by a safe red LCD in large numbers. This enables convenient operation and repeatable print results.
A high tech 24V power supply ensures stable light output, even during mains voltage fluctuations.
