Even the 4 tuner decoders do this at times! the volume on RF will return to zero after a maintenance reboot, causing all sorts of drama in the kitchen. I then go in and find the volume at "zero" when pressing the 'V' button on the remote. The "fixed" setting under volume is completely ignored as well. Will never understand the logic behind these completely inexplicable things that happen from time to time.
On the RF output the volume returns to zero after a reboot.
How can anyone possibly have thought that was a good idea?
Octo-LNB to 24-1z/5.2 switches. Explora1 (Prim) & HDPVR 2P (Sec), Samsung 55" UA55F8500 Smart 3D LED TV, HDMI picture & audio via Onkyo TX-NR626
receiver. Explora 2 in bedroom, HDMI picture & audio to Samsung 32" UA32F5500 Smart LED TV. 100Mbps M-Web fibre (OpenServe).
If I remember correctly, these decoders will tend to set volume to half after a reboot. You need to check the volume levels and then manually correct. On the RF output the volume returns to zero after a reboot.
My DSTV HD MODEL 4U does not produce sound even when connected to a Dvd player / TV with sound inputs and the inputs work well when not connected to the decoder ..