Radyne QAM256 Instruções de Operação Página 20

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User Interfaces QAM256 Digital Video Modulator and Upconverter
4-4 TM077 - Rev. 4.0
4.3 Front Panel Control Screen Menus
The QAM256 Front Panel Control Screens are broken down into sections under several Main
Menus.
4.3.1 Main Menus
Modulator
Interface
Monitor
Alarms
System
Test
4.3.2 Modulator Menu Options and Parameters
Frequency: {50 MHz – 862 MHz}
Cable Upconverter
{35 MHz – 37 MHz}
Optional
{43 MHz – 44 MHz}
Optional
Encoder Type: ITU-T J.83 Annex A {DVB/DAVIC}
ITU-T J.83 Annex B {DigiCipherII}
Modulation: {4, 16, 32, 64, 128, 256 QAM}
Data Rate: {1 - 52 Mbps}
Refer to Table A-1.
Interleaver: DVB {12, 17}
Trellis {204, 1}
Spectrum: {Normal, Inverted}
Tx Power: {+60 dBmV to +45 dBmV}
With Cable Upconverter
{+0.0dBm to –25.0 dBm}
Without Cable Converter
Tx Enable: {On, Off}
Symbol Rate: {7.1 Msps maximum}
Roll Off: {0.12, 0.15, 0.18}
Framing: {MPEG 187, 188, 204}
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