Installed 722K on 7/3, last couple of days we get the complete signal loss screen on Tuner 1, then it will work fine. Tonight system info says LNB drift, I am not sure what numbers you need, but we found that some HD channels aren't working and some are. Tuner 2 is working fine with no problems. We have an ancient Dish 500 system, LNB is probably 7 years old. Any help or ideas? Trying to decide if the new receiver is bad or the LNB is going. Should I contact DIRT to get tech sent out?
Last edited: