BridgeTech VB20 User Manual page 208

list, as defined in the Network Information Table analysed by the probe. Default values
will be assigned to parameters that are not a part of the NIT.
Clicking the Import from NIT button will open the NIT Import popup view.
Select NIT: The 'Select NIT' drop-down menu shows NIT tables available
Naming policy: The probe will automatically name tunings according to the
Rename existing: If the 'Rename existing' checkbox is marked, imported
The following parameters are defined for each SAT frequency:
Name: A name should be assigned to each frequency channel
Transponder
frequency:
LNB frequency: The LNB frequency in GHz
LNB voltage: The LNB voltage - may be 0V, 13V or 18V
22kHz tone: Enable or disable 22kHz tone
DiSEqC: The satellite front-end module supports Diseqc 1.2 signalling.
Symbol rate: The SAT symbol rate in MSymb/s
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NIT Import
in the transport stream currently being analysed. Information
in the selected NIT will be used to generate a tuning list
when the Import tunings button is clicked.
naming policy selected by the user: 'Frequency', 'TS ID' or
'TS ID and frequency'.
tunings that are already present in the tuning list will be
renamed in accordance with the naming policy selected by
the user.
SAT - Tuning setup:
The transponder frequency in GHz
The operator can enable a particular Diseqc message to be
transmitted towards the antenna for each frequency defined
in the tuning setup typically used to control L-band switches.
Specifically, the message sent has the format ( 0xE0 0x10
0x39 N ), where N is a byte configurable by the user to be
between 0x00 and 0x0f. This is the command 0x39 "Write to
Port group 1 (Uncommitted switches)".
PROBE USERS' MANUAL VERSION 5.0
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