1. Cov ntim me me, tsim tshwj xeeb, ua haujlwm yooj yim.
2. Ua kom haum rau cov tshuaj tiv thaiv kab mob, quab yuam transducers. Tsis siv neeg xoom -tracking, cia li xoom thaum powered on. Serial kev sib txuas lus interface.
3. Los ntawm serial chaw nres nkoj calibration hnyav zaub (serial chaw nres nkoj calibration hloov).
4. RS485 tso zis.
5. Lub zog txuag muaj nuj nqi: Nkag mus rau lub zog txuag hom tom qab li 5 feeb ntawm kev ua haujlwm yam tsis muaj khawm