Hi Everyone,
Recently i've purchased my sister a zgemma h2h for use on v i r g i n media cable tv (same setup as myself) unfortunatly she has a lot of HD channels that dont work usually i get a blank screen or some times a very pixelated image, although some HD channels do work without an issue. example Sly Sports 1 HD is perfect Sly Sports 2 HD just a black screen.
I know its not the line provider (I use the same provider at my house and i asked for a test line from someone else to test just incase but i get the same results)
I know its not the splitter (I have used the splitter at mine with no probs)
I know its not the box (zgemma h2h box as i've also had it working at my house without a problem)
The 2 way splitter is insalled at entry point into the house from outside, the ZGemma is about 3m's away on a brand new PF100 cable the Virgin Super hub has been in place for years at the back of the house and is probably on a 10 meter cable.
So reading around the forum many people have suggested the power levels could be too high or even too low. So i compared the stats from my home hub to hers.
Mostly the stats are similar, but not the power level's, these are different (see pics) her dowstream is between +10db & +12db - where as mine is between +1db & +3db
My question is - do you think this is the cause of the problem if so what levels should i be aiming to ideally get the figures too - what attenuator would you recommend ifthats the correct path to take.
Thank You in advance
Recently i've purchased my sister a zgemma h2h for use on v i r g i n media cable tv (same setup as myself) unfortunatly she has a lot of HD channels that dont work usually i get a blank screen or some times a very pixelated image, although some HD channels do work without an issue. example Sly Sports 1 HD is perfect Sly Sports 2 HD just a black screen.
I know its not the line provider (I use the same provider at my house and i asked for a test line from someone else to test just incase but i get the same results)
I know its not the splitter (I have used the splitter at mine with no probs)
I know its not the box (zgemma h2h box as i've also had it working at my house without a problem)
The 2 way splitter is insalled at entry point into the house from outside, the ZGemma is about 3m's away on a brand new PF100 cable the Virgin Super hub has been in place for years at the back of the house and is probably on a 10 meter cable.
So reading around the forum many people have suggested the power levels could be too high or even too low. So i compared the stats from my home hub to hers.
Mostly the stats are similar, but not the power level's, these are different (see pics) her dowstream is between +10db & +12db - where as mine is between +1db & +3db
My question is - do you think this is the cause of the problem if so what levels should i be aiming to ideally get the figures too - what attenuator would you recommend ifthats the correct path to take.
Thank You in advance