Harmonic ProView 7000 User Manual page 154

Chapter 5 Front Panel Interface
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 Band
❑
u
C Band
❑
LO Frequency – DVB-S2 only. Manages the Local Oscillator (LO) frequency, depending on
■
the LNB LNB Frequency band selected:
Displays the Local Oscillator (LO) frequency for Universal and Universal Wide bands.
❑
Enables setting the LO frequency for K
❑
Enables setting the LO frequency for C band. Range 5 MHz – 6 MHz
❑
22 kHz Tone – DVB-S2 only. Selects the low of high frequency band to be used when
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receiving from an LNB configured to Universal and Universal Wide band. Options:
Low (no tone, selects the 9.75 GHz band)
❑
High (selects the 10.6 GHz or 10.75 GHz band)
❑
NOTE: When using K
Acquisition Mode – DVB-S and DVB-S2. Sets the frequency scanning span of the receiver
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when searching for the satellite carrier frequency (lock acquisition search range). Options:
Wide Search
❑
Narrow Search
❑
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 Mbauds.
Drift Compensation – Compensate for LNB frequency drift. With the single and quad
■
demodulator boards it functions from 8 MBd and up. With the DVB-S/S2 demodulator
board it functions from 5 MBd and up, see
details. Options:
On
❑
Off
❑
Attenuation
■
1
Gain – Internal gain to improve signal strength.
■
1. Only available with certain hardware configurations, see
© 2011 Harmonic Inc.
or C band, the 22 kHz function has no influence.
u
1
– Internal attenuation for saturated signals (0 – 30 dB).
band. Range 8.5 MHz – 13 MHz
u
Appendix C, Front End Card Features
Appendix C on page 185.
154
Front Panel Root Menu
for board
ProView 7000 v.2.4, Rev. A