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Thread: reverse polarity on cband
08-23-2012 10:19 AM #1
reverse polarity on cband
I have noticed that when i am scanning that my cband polarity is reversed or at least showing H instead of V. The transponder number and bitrate is correct but is showing H instead of V even though the transponder number is usually one or two numbers off it still scans it correct. The ku band seems to be correct. Anyone else running into this. I am current on the updates for the microhd. I just noticed this last night on 91w. I have dmx741 and I tried it on single 5150 and universal and both did the same thing on cband transponders. I tried turning on port 1 22mhz off and disable diseq1.0 it still does the same thing. I am not using the jumper on the lnb i have 2 cables running into the ecoda splitter that came with the microhd and then into my vbox3 mover.
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08-27-2012 11:11 AM #2
You have to rotate your LNB 180 degs.
basically is upside down
08-27-2012 11:15 AM #3Pub Member / Supporter
180 might not do it... Try 90 degrees.
I noticed, when I had C band up that 2 of the receivers I used were correct on one was reversed. "one" had a box to reverse or rotate signal 90 degrees. But that has been over 2 years now. Probably will not hurt the operation, but you know better than I do.
08-27-2012 11:54 AM #4
Most of the LNB's I've used the 0 skew has to be at 3:00 or 9:00 (visualizing a clock) instead of 12:00Directv Slimline SWM 5 LNB and DirectvWorld dish on the roof of the apartment building...Directv HR34 AKA Genie
All FTA stuff in storage right now