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5.16.2.3 Delete a Spectrogram file
To delete a Spectrogram capture, press the key
DELETE CAPTURE. Then it pops up a new menu where you should select SP/. Then
select the file you want to delete.
5.17 MER by carrier (COFDM)
5.17.1 Graph of MER by carrier (COFDM)
This function analyses the
channel and displays it continuously in a graphic form.
It is a very useful measurement in order to analyze systems in which signals of
different types and sources interfere among them, as in the case of the transition from
analogue to digital TV.
MER
In next figure a
As it shows in the following figure, when analysing
channel appears three degradation areas throughout the channel that make suspect the
presence of an underneath analogue channel.
Page 74
USER'S MANUAL.
MER for each of the carriers
by carrier analysis for a
Figure 49.- MER by carrier
TV EXPLORER HD / HD
[22] and select the option
forming the selected
COFDM 8k
signal is performed.
function.
MER by carrier
LE
in this digital
10/2012
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