Dvb-C (Qam) Digital Channel Configuration - Promax PRODIG-5 Manual Del Usuario

Press the Measurements Configuration
CONFIGURATION menu and turn the rotary selector [1] to access to parameters which
are modifiable by the user.

5.13.1 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) Modulation
It defines the modulation type. When selecting this function and pressing the
rotary selector [1] a multiple-choice menu will appear on the screen, this menu
permits to choose one of the following modulations: 16, 32, 64, 128 and 256.
2) Symbol Rate
When selecting this function and pressing the rotary selector [1] a multiple-choice
menu will appear on the screen, this menu permits to choose the symbol rate.
3) Spectral inversion
If necessary, activate the Spectral inversion (On). If the spectral inversion is not
correctly selected, reception will not be correct.
MPEG-2
Figure 18.- Screen of mesurement configuration (QAM signals).
Page 40
CONFIGURATION
» SAVE AS:
» CHANNEL SET:
» SIGNAL:
» SYSTEM:
0 20 40
» FRAME RATE:
FREQ: 650.00 MHz
» CHANNEL BW:
-3 kHz
» SPECTRAL INV:
CH: 43
» SYMBOL RATE:
» MODULATIONS:
[17] key to access to the
[17] key to access to the
CCIR_01
CCIR
DVB-C
60 80 100
50Hz
C/N:
8.00MHz
POWER: 66.2
MER:
BER: 6875kSymb
64QAM
USER'S MANUAL. PRODIG-5
PAL
120
16.5 dB
dBuV
OFF
24.7 dB
3.4E-4
11/2013