Chapter 9 - MPEG decoder
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The transponder or channel that is being tuned on the receiver at any specific time is marked in the
NIT with (*). You can now select another entry with the
Up
and
Down
keys. Press
ENTER
to tune
the receiver to the new transponder or channel. The instrument fetches the information from the
previously selected NIT entry.
For the SAT NIT, transponders transmitted by different satellites can be listed. Only transponders on
the same satellite that is sending the NIT can be selected directly from the NIT.
You can assign items to the tuning memory directly from the NIT. To do so, select the corresponding
entry from the NIT. As described in section “Memory management (saving)”, you can then select a
memory location and save the NIT entry.
SAVE
takes you to the SAVE menu.
If the NIT has more than 10 entries, the
<-
and
->
keys can be used to scroll between the pages of
the list.
9.3
Picture and sound control
As explained in section “Program Service Information (PSI)”, several video and audio channels are
transmitted in the same multiplex (TS). As soon as the MPEG decoder recognises a TS, the PSI data
is analysed and the channel lists are created. This process can be monitored in the MPEG window.
Once the decoder has created the channel lists, “PSI extraction ready” appears in the MPEG
window. You can then display the channel list by pressing the
OSD/VID
button. The picture below
shows a video channel list.