Binghamton, NY Nov ten, 2009 #seven I'm not acquainted with meter operation, but I might suspect that it ought to mail the switching voltages (13v for odd and 18v for even). And, if you have to see another sats it has to ship the 22khz tone. I will conceed that https://dienphucthinh.blogspot.com/2025/05/cap-tin-hieu-rs-485-tai-ien-phuc-thinh.html