Klark-Teknik DN-36 Operating Instructions. Illustrated with basic diagrams, includes schematics. "The DN36 Analogue Time Processor is a dual-channel delay system. The length of the delay is voltage-controlled, and is continuously adjustable...The built-in modulator allows the delay to be swept in various function patterns at various rates and depths. Multipath feedback controls are provided to enable the user to synthesize innumerable time-related effects. The unit can also be controlled by an external source..."