For some reason, I can not use my ZQ anymore. I still need to run HPLC with PDA detector. So I uninstall the masslynx 4.0 and reinstall it again. After that I tried to config the PDA, autosampler and 1525 pump. But problem is that I can not control my column heater anymore. Any body have idea how can I config column heater in the system. Many thanks

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