Sat Tuning Setup - BridgeTech VB20 User Manual

6.16.2 SAT Tuning setup

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 Set to zero when used together
LNB voltage: The LNB voltage - may be 0V, 13V or 18V. Set to 0V when
22kHz tone: Enable or disable 22kHz tone. Set to DISABLED when used
DiSEqC: The satellite front-end module supports Diseqc 1.2 signalling.
Symbol rate: The SAT symbol rate in Msymb/s. Set to the corresponding
ETR thresholds: Selection of the ETR threshold template that should be
PID thresholds: Selection of the PID threshold template that should be
Service
thresholds:
SAT thresholds: Selection of the SAT threshold template that should be
VBC thresholds: Selection of the VBC threshold template that should be
Disable tuning: Disable tuning for frequencies that should not be monitored. If
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SAT - Tuning setup:
The transponder frequency set to 1094 MHz when used with
the VB273 redundancy module.
with the 273 redundancy module.
used with VB273.
with VB273.
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)". Set to OFF when used with VB273.
symbol rate used by the modulators. Alternatively set to a
sufficiently high value to cover the highest symbol rate the
system will use. The demodulator will sync in on the symbol
rate actually used.
assigned to the current frequency
assigned to the current frequency
Selection of the Service threshold template that should be
assigned to the current frequency
assigned to the current frequency
assigned to the current frequency
tuning for a stream is not disabled it will automatically be part
of the round-robin analysis loop.
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