The problems are two fold:
1)The TDT Overflow Problem
the 4DTV has (at least up to version 06D) a limit of 1,920 entries in the Transponder Data Table. (A.K.A. TDTs).
Consequently, the problem has
arizen that the TDT table is reaching its limit. This problem is known
as "the TDT Overflow Problem"
Check Diagnostics G.
b) press 6
c) press 0
d) press 5
e) use the right arrow to arrow over to Diagnostics G
The middle of the top line is the TDT count.
If it is 1920, you have reached the limit. For
everything that goes in, something must come out. Too often it drops
something important, like G0.
Signs you are affected by this:
a) Your TDT count is 1920
b) you cannot download new maps or satellites.
and / or
c) satellites disappear (G5, G0, G9, W2, K5) from the menu.
2) The Case of the "Dirty Digits"
The 4DTV can accept channel maps from any DCII service that broadcasts them.
All officially mapped DCII channels are supposed to broadcast good maps.
This hasn't always been the case. In the past, at times,
HITS, PCTV, TVN and the late Telquest have all goofed up the maps.
problem is that not all maps are synchronized between broadcasters.
This is most pronounced on un-mapped compatible services.
These may change the definition of channel frequencies, or add or remove satellites from the receiver's memory.
There was a case once where some bad maps caused all Showtime channels on Galaxy-9 to be mapped to ESPNNEWS.
To fix your maps, you have 3 choices:
a) Put the unit on a good DCII channel, either a root (like G0/9) or a virtual channel (Like G0 300),
for at least 30 minutes to get new maps.
The important thing is to make sure the green light on the unit's front panel designating DCII is lit.
b) Do the above activity, but before doing so, Unplug the 4DTV from AC Power and Plug it back in. It only needs to be unplugged long enough to go into WM UP before returning to normal operation.
c) If you looked at Diagnostics G. , line 1 , and saw 1920 as the number of TDT entries, you must do a Master Reset,
or wait for G.I. to fix the problem via New Firmware (yeah right)
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