Harmonic ProView 7000 User Manual page 96

Chapter 4 Element Management System (EMS)
• QPSK 2/3
• QPSK 3/4
• QPSK 4/5
• QPSK 5/6
• QPSK 8/9
• QPSK 9/10
• 8PSK 3/5
• 8PSK 2/3
• 8PSK 3/4
• 8PSK 5/6
• 8PSK 8/9
• 8PSK 9/10
• 16APSK 2/3
• 16APSK 3/4
• 16APSK 4/5
• 16APSK 5/6
• 16APSK 8/9
• 16APSK 9/10
Frame Size
■
Normal frame (64,800 bits)
❑
Short frame (16,200 bits)
❑
Pilot Symbols – DVB-S2 only. Options:
■
Automatic
❑
On – the demodulator expects to find pilot symbols in the stream.
❑
Off – the demodulator does not expect not to find pilot symbols.
❑
NOTE: Not finding pilot symbols when expected, or finding them when not expected, prevents
demodulator lock.
Physical Layer Scrambling Seed – Enables the user to set the value for the scrambling seed.
■
DVB-S2 only. Range: 0 – 262,141.
Roll-Off Factor – DVB-S2 only. Options:
■
Automatic
❑
20%
❑
25%
❑
35%
❑
1. A license is required for 16APSK modulation. Only available with certain hardware configurations, see
page 185.
2. Only available with certain hardware configurations, see
© 2011 Harmonic Inc.
1
1
1
1
1
1
2
– DVB-S2 only. Options:
2
2
Appendix C on page 185.
96
Element Properties Configuration
Appendix C on
ProView 7000 v.2.4, Rev. A