https://www.kce.url.tw/en/custom_25214.html 7. Parameter【uP、nP】PV value high / low 7. Parameter【uP、nP】PV value high / low ▇  uP - High limit   1. Hold "SET" key + Meanwhile boot,PS has 11,enter level 3 2. Adjustment 【up】 set the input range lows
https://www.kce.url.tw/en/ KE CHYUN ELECTRIC CO., LTD