https://www.kce.url.tw/en/custom_15368.html 1.【 [+] key-Unis digit】Output Control - ON/OFF ±2℃ 1.【 [+] key-Unis digit】Output Control - ON/OFF ±2℃ ▇ KC-671N ±2° ON-OFF  (PV=0)
https://www.kce.url.tw/en/ KE CHYUN ELECTRIC CO., LTD