Tuner zapping problem

MickyMac

Vu+ Newbie
Vu+ duo2 & Blackhole 2.1.7.1 Dual tuner + 1 terrestrial tuner

I have a strange tuner zapping problem which I can describe best by an example:

Channel No. 17 CNN 19.2E 11626000/22M/V 5/6
Channel No. 18 Euronews 13.0E 12596000/27.5M/V 3/4
Channel No. 19 Al Jazera Eng 28.2E 17170000/22M/H 5/6

Often when I switch from No 17 to 18 the switching is done because I can see the EPG of 18 but the picture from 17 is shown and is frozen. If I then switch to 19 I get a normal Al Jazeera picture and sound. If I then switch back to 18 I get a normal Euronews picture and sound.

This happens on various other channels as well, not always the same channels. I have re-scanned multiple times. I have re done all my bouquets and channels multiple times (using Dreamboxedit or dreamset). I have refreshed my satellites.xml file and I have changed my tuner. Nothing seems to help.

Anyone any clues on this?
 
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