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tream
User Guide and Technical Manual
Modify Presets Modulation Settings
[Continued]
Modulation Settings
Modulation Mode
The Modulation Modes that are available are:
• DVB-T
• LMS-T
• DVB-S [SNG only]
• DVB-S2 [SNG only]
Spectrum
The choices for Spectrum are Normal or Inverted.
Modulation
This
fi
eld displays the following modulation classes that can be selected for each
microwave, cellular or satellite preset found in the Modify Presets page. This list is
combines the values for both DVB-T and DVB-S modulations. These modulation options
will change for ENG, CNG and SNG presets.
• QPSK — Quadrature Phase-Shift Keying
• 16-QAM — Quadrature amplitude modulation
• APSK — Amplitude Phase-shift Keying for both 16 & 32 APSK
• 64-QAM — Quadrature Amplitude Modulation
FEC
Forward Error Correction [FEC] or channel coding is a technique used for controlling
errors in data transmission over unreliable or noisy communication channels. This
fi
eld
allows selection of the FEC for the existing microwave preset. The FEC values include:
• 1/2
• 2/3
• 3/4
• 5/6
• 7/8
Guard Interval
The Guard Interval is a method used to prevent interference within distinct transmissions
The Guard Interval con
fi
gured for the microwave preset is displayed in this
fi
eld. The
Guard Interval values include:
• 1/32
• 1/16
• 1/8
• 1/4
Содержание NewStream
Страница 49: ...Page 49 NewStream User Guide and Technical Manual Figure 29 NewStream Status Page ENG Remote Control Mode ...
Страница 72: ...Page 72 NewStream User Guide and Technical Manual Figure 35 Modify Presets Encoder Settings Page ...
Страница 82: ...Page 82 NewStream User Guide and Technical Manual Figure 37 Modify Presets Cellular Settings Page ...
Страница 96: ...Page 96 NewStream User Guide and Technical Manual Figure 43 NewStream License Manager Web Page ...
Страница 119: ...Page 119 NewStream User Guide and Technical Manual Notes ...