Dvb-C (Qam) Digital Channel Configuration - Promax TV EXPLORER HD User Manual

TV EXPLORER HD / HD
USER'S MANUAL.

5.13.1 DVB-C (QAM) Digital Channel Configuration

Measurements Configuration
Press the
CONFIGURATION
menu and turn the rotary selector
DVB-C
Select the signal
modulation are described below:
Channel BW
1) (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
Rate
changes proportionally and vice versa.
Spectral inversion
2)
If necessary, activate the
correctly selected, reception will not be correct.
Symbol Rate
3)
When selecting this function and pressing the rotary selector
choose the symbol rate. If you change the bandwidth the
proportionally and vice versa.
Modulation
4)
It defines the modulation type. When selecting this function and turn the rotary
selector [1] to choose one of the following modulations:
256
.
Figure 19.-
10/2012
LE
QAM
, which uses modulation. Parameters related to
Spectral inversion
Screen of mesurement configuration (
[17] key to access to the
SIGNAL
[1] until the
On
( ). If the spectral inversion is not
[1] is possible to
Symbol Rate
16 32
, ,
QAM
signals).
option.
QAM
Symbol
changes
64 128
, and
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