Harmonic ProView 7000, Руководство пользователя

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Chapter 4 Device Configuring Using the Front Panel Configuring the DVB-S/S2 Input Port Properties
© 2012 Harmonic Inc. 38 ProView 7000 v.2.6, Rev. E
• 16APSK 4/5
2
• 16APSK 5/6
2
• 16APSK 8/9
2
• 16APSK 9/10
2
■
Roll Off – Selects the roll factor. DVB-S2 only. Options:
❑
Automatic
3
❑
20%
❑
25%
❑
35%
■
Pilot – DVB-S2 only. The Pilot feature should only be on when the signal has Pilot symbols,
otherwise the demodulator will not lock onto the signal. Options:
❑
Automatic
3
❑
On
❑
Off
■
Spectral Inversion – DVB-S and DVB-S2. Selects the mode of operation for the spectral
inversion function. Options:
❑
Automatic
3
– only in DVB-S and is the DVB-S default.
❑
Normal
3
– default for DVB-S2.
❑
Inverted
■
Frame Size
3
– DVB-S2 only. Selects the frame size. Options:
❑
Normal – 64,800 bits frame
❑
Shor t – 16,200 bits frame
■
Scrambling Seed – DVB-S2 only. sets the value for the physical layer scrambling seed. Valid
Range – 0 – 262141.
■
Polarization – DVB-S and DVB-S2. Selects the polarization of the antenna in the satellite
LNB. Default is Off . Options:
❑
Vertical (13V)
❑
Horizontal (18V)
❑
Off
■
LNB Frequency Band – DVB-S and DVB-S2. Selects the receiver frequency band according
to the satellite Low Noise Block (LNB) transmitting frequency band. Options:
❑
Universal (Low: 9.75, High: 10.6)
❑
Universal Wide (Low: 9.75, High: 10.75)
❑
K
u
Band
❑
C Band
3. Only available with certain hardware configurations, see B.6 Front End Card Features .