Harmonic ProView 2900 Installation Manual page 112

Chapter 6: Receiver Configuration Modules
Frequency Range
6.2.3.13.
The Frequency Range parameter defines the input frequency in the Ku, C or L bands.
This parameter affects the displayed frequencies and ranges of the ProView 2900 DVB-S2
receiver parameters. The following figure illustrates the Frequency Range screen.
1 1 1 1
2 2 2 2
3 3 3 3
Available frequency band options are:
L BAND – selects the frequency range 0.950000 - 2.150000 GHz
•
Ku BAND - selects the frequency range 3.200000 - 4.200000 GHz
•
C BAND - selects the frequency range 10.700000 - 12.750000 GHz
•
Frequency Scan
6.2.3.14.
The Frequency Scan configuration function sets scanning a selected frequency range if the
stream's frequency is unknown. The symbol rate must be known and set in the
ProView 2900. The ProView 2900 scans the frequency range, while seeking a valid DVB
stream. Upon locating a valid DVB stream, the ProView 2900 marks the located frequency
and service name. Results output either to the RS-232 port (terminal) or Telnet. The following
screen displays the Frequency Scan screen
NOTE
The ProView 2900 scans only the L-band frequency range. Located frequencies are shown in
L-Band and must be modified for the relevant frequency value if they are tuned to either C-
band or Ku-band.
The following figure illustrates the Frequency Scan screen.
1 1 1 1
2 2 2 2
3 3 3 3
The available options are:
OFF – Frequency scan is disabled.
•
BAND – Frequency scan is enabled. This mode allows scanning all bands.
•
+/-6 [MHz] – Frequency scan is enabled. This mode allows scanning a selected
•
frequency range if the stream's frequency is unknown. This feature is especially useful for
low symbol rates signals (less then 10Msym/s). All reception parameters must be set,
including symbol rate and frequency. When operating the scanning, the ProView 2900
searches for a valid signal within a range of 12MHz (configured frequency ±6MHz). The
ProView 2900 locks on the first detected valid signal, and automatically sets the
configured frequency accordingly.
© Harmonic Inc. Manual p/n 101543/Ver 1.0
Frequency Range Frequency Range Frequency Range Frequency Range
L BAND L BAND
L BAND L BAND
Ku BAND Ku BAND
Ku BAND Ku BAND
C BAND C BAND C BAND C BAND
Frequency Scan Frequency Scan
Frequency Scan Frequency Scan
OFF OFF OFF OFF
BAND BAND BAND BAND
+/- - - - 6 [MHz] +/ +/ +/ 6 [MHz] 6 [MHz] 6 [MHz]
Satellite Receiver Configuration
6-27 ProView 2900 Series/SW Version 1.94