Promax TV EXPLORER HD ISDB-T/T B Manual De Instrucciones página 161

USER'S MANUAL TV EXPLORER
6) Layer
Information about encoding parameters for each layer during the hierarchy
transmission. The layer can be selected (A, B or C) depending on what is the layer
active at the channel.
This configuration menu shows, besides the user definable ISDB-T/T
parameters, the value of the rest of signal parameters detected automatically:
Bandwidth:
Code Rate:
Modulations:
Time interleaving Length of time interleaving (in bits).
High layer:
Partial reception:
Figure 21.- Screen of mesurement configuration (COFDM signals).
10/2012
HD ISDB-T/T
B
It shows the channel bandwidth.
Also known as Viterbi ratio, defines the ratio between the data
bits number and the total number of bits transmitted (the
difference corresponds to the number of control bits for the error
detection and recovery).
Carriers modulation. It also defines the system noise immunity.
(QPSK, 16-QAM and 64-QAM).
It shows information about the high priority layer.
It shows If it is or not possible the partial reception.
signal
B
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