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TV EXPLORER HD / HD
USER'S MANUAL.
LNB Low Osc.
8)
Sets the LNB low band local oscillator.
LNB High Osc.
9)
Sets the LNB high band local oscillator (up to 25 GHz).
ISI Filtering and Stream Identifier
10)
This option is available when a DVB-S2 signal with multistream channels is locked.
In these type of channels, each TS is identified by its ISI (input stream identifier).
Then, on the configuration menu user has to enable the "ISI Filtering" option and
then specify in the "Stream Id" option the stream identifier in order to recover the
corresponding transport stream, service list and programmes data.
NOTE
: In the channel tuning mode the
modified.
This configuration menu shows, besides the
selected by user, all the values automatically detected:
Roll Off
Nyquist filter roll-off factor.
Pilots
(Only in DVB-S2) Pilots detection in transmission.
DVB channels tuning may require an adjusting process. It is recommended to follow
next procedure:
spectrum analyser
1. From the
frequency.
Measurements mode
2. Switch to
3. If in the lower line of the screen does not appear
consequently BER is unacceptable), by turning the rotary selector deviate the
tuning frequency until
to minimize the
minimize the BER.
If it is not possible to detect any MPEG-2 channel, make sure that digital signal
parameters are correctly defined.
10/2012
LE
(only for DVB-S2)
Polarization
mode
[12], measurement selection.
MPEG-2
message appears. Finally tune channel again
frequency deviation which optimizes the BER
Sat Band
and
options cannot be
QPSK/8PSK
signal parameters
IMPORTANT REMARK
[13], tune the channel at its central
MPEG-2
message (and
and therefore
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