Digital Tv: Measuring Ber - Promax TV EXPLORER HD User Manual

TV EXPLORER HD / HD
USER'S MANUAL.
On selecting the
following information:
In addition to the power of the digital channel (77.4 dBµV in previous figure) this
also shows the tuning frequency or channel, depending on the tuning mode selected,
and the offset frequency to calculate the digital channel power and the deviation
frequency of the central tuning calculated by the demodulator, measurement that
indicates the adjustment in the channel tuning.
For the power measurement of a digital channel to be correct it is essential to have
previously defined the channel bandwidth using the
Measurements Configuration

5.14.7 Digital TV: Measuring BER

TV EXPLORER
The
of digital signals depending on the type of used modulation.
BER
To select the
1) Select digital signals
2) Select by means of
measurement of
COFDM
modulated signals or
modulated signals.
3) Enter the parameters relative to the digital signal which appear in the
CONFIGURATION
measurement
4) Select the option to exit from measurements
10/2012
LE
CHANNEL POWER
measurement mode, the screen displays the
Figure 28.-
Digital channel power measurement.
menu that appears when pressing
HD / HD
offers three ways to measure the error rate (
LE
measurement mode:
Measurements Configuration
Signal
option from
QAM
modulated signals,
DVB-S/S2
menu, as described previously.
Channel BW
pressing
CONFIGURATION
menu:
DVB-T/H
for the measurement of
for the measurement of
CONFIGURATION
option, in the
[17] key.
BER
)
[17] key.
DVB-C
for the
QPSK/8PSK
menu.
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