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

USER'S MANUAL. TV EXPLORER HD

5.12 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 [1] to access to parameters which
are modifiable by the user.

5.12.1 DVB-C (QAM) Digital Channel Configuration

Press the Measurements Configuration
CONFIGURATION menu and turn the rotary selector [1] to access the QAM signals
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.
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 [1] is possible to
choose the symbol rate.
4) Modulation
It defines the modulation type. When selecting this function and turn the rotary
selector [1] to choose one of the following modulations: 16, 32, 64, 128 and 256.
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[17] key to access to the
[17] key to access to the
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