Harmonic ProView 7000 User Manual page 78

Chapter 7 Device Configuring Using EMS
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%
❑
Acquisition Mode
■
the satellite carrier frequency (lock acquisition search range). Options:
Narrow
❑
Wide
❑
NOTE: Wide search is the normal operation mode of the receiver frequency acquisition scan.
Narrow Search mode should be used when symbol rate of the input is lower than 5 MBd.
Frequency Drift Compensation – Compensate for LNB frequency drift, see
■
Card Features
On
❑
Off
❑
BER Threshold (DVB-S only) – Sets the threshold limit to raise the Bit Error Rate alarm.
■
Range: 0.00001 (0.1x10-4) – 0.1.
PER Threshold (DVB-S2 only) – Sets the threshold limit to raise Packet Error Rate alarm.
■
Range: 0.00000001 (0.1x10-7) – 0.1.
Attenuation Level
■
7
Gain – Internal gain to improve signal strength.
■
ISI (Hex) (0-FF) – Input Stream Identifier in hexadecimal. Use this parameter to select a
■
specific transport stream from a multi-transport carrier. If you have a quad port
demodulator card then you can select up to 4 transport streams from 4 single or a multi-
transport stream carrier.
6. Only available with certain hardware configurations, see
7. Only available with certain hardware configurations, see
© 2012 Harmonic Inc.
6
– DVB-S2 only. Options:
6
6
7
– Sets the frequency scanning span of the receiver when searching for
for board details. Options:
7
– Internal attenuation for saturated signals (0 – 30 dB).
B.6 Front End Card Features.
B.6 Front End Card Features.
78
Physical Input Ports and Slots
B.6 Front End
ProView 7000 v.2.6, Rev. E