photosensitive touch key control: ",-" "e" key, press ",-" key at the same time to exit the function matrix step by step to the main display page position, press ",-" key at the same time and hold for more than 3 seconds to directly return to the main display page position, and press ",-" key to cancel data input. Press "E" to enter the menu and find the TOTALIZERS (cumulative flow). The TOTALIZERS includes three cumulative modes: TOTALIZER1 (measurement mode: BANLANCE bidirectional), TOTALIZER2 (measurement mode: FORWARD forward) TOTALIZER3 (measurement mode: RESERVE reverse). Generally, the TOTALIZER1 modification password is 0083 or "83" can be directly entered when leaving the factory ", when the third" * "number from left to right becomes the enter key, press e to confirm.
