Measurements Configuration; Dvb-C (Qam) Digital Channel Configuration - Promax TV Explorer HD Manual De Usuario

USER'S MANUAL. TV EXPLORER HD / HD
:
NOTE In the case that is desired to explore or identify DVB-C signals will be
necessary to select previously DVB-C standard as digital signal identifier
by means of
5.13

Measurements configuration

With the aim of taking the measurements of all types of signals some times could
be necessary that user enters parameters relative to particular characteristics of these
signals, whether an automatic detection has not been possible, or these parameters
differ from the standard corresponding ones.
Press the Measurements Configuration
CONFIGURATION menu and turn the rotary selector
which are modifiable by the user.

5.13.1 DVB-C (QAM) Digital Channel Configuration

Press the Measurements Configuration
CONFIGURATION menu and turn the rotary selector
parameters, which can be defined by user and are described below:
1) Channel BW (channel bandwidth)
Enables the channel bandwidth to be selected up to 9.2 MHz. The selection of this
parameter is essential for the correct operation of the tuner, as it affects the
frequency separation of the carriers. If you change the bandwidth the Symbol
Rate changes proportionally and vice versa.
2) Spectral inversion
If necessary, activate the Spectral inversion (On). If the spectral inversion is not
correctly selected, reception will not be correct.
3) Symbol Rate
When selecting this function and pressing the rotary selector
choose the symbol rate. If you change the bandwidth the Symbol Rate changes
proportionally and vice versa.
05/2011
LE
[22] PREFERENCES menu.
[17] key to access to the
[1] to access to parameters
[17] key to access to the
[1] to access the QAM signals
[1] is possible to
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