I recently upgraded from digital cable to the Dish Network DVR 522. I have an older style tuner that I use for my tv sound that is controlled by a knob instead of a remote. With my digital cable box I was able to control the volume on the receiver. However, this does not seem to be the case with this new receiver. Because of the fact that I'm not going through my tv, I cannot use my tv to control the volume. I don't have av out plugs in my tv either, so that isn't an option. I've tried contacting Dish Network about it, but they don't seem to be able to offer any suggestions. Any advice would be great. Thanks.