We are using 1260 Infinity II with DAD detector and OpenLab Chemstation. We were told not to turn off the UV lamp when expecting next measurement within 24 hours in order to its lifetime. We perform all measurements with sequences and at the end the lamp turns off automatically. I didn't find any place where to change this behaviour. There can be as well as 3 sequences during a day with 2-3 hours pause. Everytime it turns off after finishing sequence. Could anyone give me any advice? Thank you.