83 series of mass flow meters quickly set language, units, current output, pulse output photosensitive touch key control: ",-" key, "E" key. At the same time, press the ",-" key to exit the function matrix step by step to the main display page position, press the ",-" key at the same time and hold for more than 3 seconds to directly return to the main display page position, and press the ",-" key to cancel data input. Press "E" to enter the menu, and then press the/-key to find the BASIC FUNCTION (basic function). Change password: 0083, you can also directly enter "83". when the third "*" number from left to right becomes enter key, press "e" to confirm.
