Itu-T J.83/B (Qam Annex-B) Digital Channel Configuration - Promax TV EXPLORER HD ATSC Manual De Instrucciones

4) Modulation
It defines the modulation type. When selecting this function and turn the rotary
selector
256.
Figure 19.- Screen of mesurement configuration (QAM signals).

5.13.2 ITU-T J.83/B (QAM Annex-B) Digital Channel Configuration

Press the Measurements Configuration
CONFIGURATION menu and turn the rotary selector
B signals parameters, which can be defined by user and are described below:
1) Spectral inversion
If necessary, activates the Spectral inversion (On). If the spectral inversion is not
correctly selected, reception will not be correct.
2) Modulations
It defines the modulation type. When selecting this function and pressing the rotary
selector
permits to choose one of the following modulations: 64 or 256.
Page 42
[1] to choose one of the following modulations: 16, 32, 64, 128 and
[1] a multiple-choice menu will appear on the screen, this menu
USER'S MANUAL. TV EXPLORER
[17] key to access the
[1] to access the QAM Annex-
HD ATSC
12/2010