Need your help. Recently after shifting my Bossmen dry cabinet to another room, I can't seem to get it to go back to 40% RH anymore. Also I lost the manual and forgot the knob settings. Can someone please tell me H, M, L stands for what level of humidity? And also is there anyway to get it to go back to 40% RH (like it was before I shift room)(I even tried putting silica gel inside but no use)?