Binghamton, NY Nov 10, 2009 #7 I'm not familiar with meter operation, but I'd suspect that it must send out the switching voltages (13v for odd and 18v for even). And, if you have to see the other sats it must deliver the 22khz tone. So-referred to as "twine chopping" https://dienphucthinh.mystrikingly.com/blog/cap-quang-panduit-chinh-hang