Binghamton, NY Nov 10, 2009 #7 I am not familiar with meter Procedure, but I'd suspect that it really should send out the switching voltages (13v for odd and 18v for even). And, if you might want to see one other sats it must ship the 22khz tone. If I https://dienphucthinh22.wixsite.com/home/post/cap-tin-hieu-rs-485