Dvb-C (Qam) Digital Channel Configuration - Promax US TV EXPLORER II Manual De Uso

USER'S MANUAL. US TV EXPLORER
10
FREQ:
CH:
Figure 19.- Screen of measurement configuration (QAM Annex-B signals).

5.13.2 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) Spectral inversion
If necessary, it activates the Spectral inversion (On). If the spectral inversion is
not correctly selected, reception will not be correct.
2) Symbol Rate
When selecting this function and pressing the rotary selector
choose the symbol rate.
3) 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.
10
FREQ:
CH:
MPEG-2 TS
Figure 20.- Screen of measurement configuration (QAM signals).
11/2013
II
CONFIGURATION
» CHANNEL SET:
» SIGNAL:
SYSTEM:
30 50 70
FRAME RATE:
213.00 MHz C/N:
CHANNEL BW:
-3 kHz » POWER:
» SPECTRAL INV:
A13 MER:
SYMBOL RATE:
BER:
» MODULATION:
EXIT
CONFIGURATION
» CHANNEL SET:
» SIGNAL:
» SYSTEM:
30 50 70
» FRAME RATE:
650.00 MHz C/N:
» CHANNEL BW:
-3 kHz » POWER:
» SPECTRAL INV:
43 MER:
» SYMBOL RATE:
BER:
» MODULATIONS:
EXIT
FCC
ITU-T J.83/B
NTSC
90 110 130
60Hz
16.5 dB
6.00MHz
66.2 dBµV
OFF
24.7 dB
5361kSymb
5.6E-7
256QAM
[17] key to access the
[1] to access the QAM signals
CCIR
DVB-C
PAL
90 110 130
50Hz
16.5 dB
8.00MHz
66.2 dBµV
OFF
24.7 dB
6875kSymb
3.4 E-4
64QAM
[1] is possible to
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