Bandwidth set to 8 instead of 7

[Nightmare77]

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Windows Version: Windos XP sp2
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Memory: 1gig
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1. TV Card: Fusion DVB-T plus
1. TV Card Type: DVB-T
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Been looking at my channel changing issues and i'm wondering if it has to do with the fact that the tv server has the majority of my stations listed at 8mhz instead of 7mhz, i was under the impression dvb-t here in ACT is suppos to be all at 7. Can anyone else confirm this, perhaps if others who are in ACT who are using the new engine can check their TV stations and see what the bandwidth is for say WIN TV ?
I'm wondering if that is the problem that for some reason its the wrong bandwidth, and i have found you can't manually go into the station and change it to 7 and it defaults back to 8.

Any ideas?