Thanks Dwayne, I cannot change the Hardware at this stage, its already cost me over £300 in prototyping expenses. So I will have to live with the longish pause, I will experiment as you suggest with ever dcreasing Pauses, till I find the minimum and add a bit for safety. Incidentaly there are no Capacitive loads on any of the PIC pins. I have now found another short coming in my limited knowledge to do with the ADC, will post as a different question.