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5.14.8 Digital TV: Measuring MER
Once determined the suitable parameters for
signal reception, it will be possible to measure
MER
the
measurement screen.
Figure 39
First of all, you will see the modulation error ratio measurement:
Following, it appears the Noise Margin (
8.4 dB). It indicates a safety available margin according to the
allows signal degradation until arriving to the
Figure 40.- DVB-S2
Page 62
DVB-T/H
COFDM
.-
(
) signals
QEF
QPSK/8PSK
(
) signals
TV EXPLORER HD / HD
USER'S MANUAL.
COFDM
QAM, QPSK
,
MER
, press
[12] key until it appears
MER
measurement screen.
MER
NM
) measurement (in the figure value
MER
level measured that
(Quasi-Error-Free) limit value.
MER
measurement screen.
LE
8PSK
or
.
10/2012
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