Fte maximal IPS 310 Uživatelská příručka Strana 12
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Hodnocené. / 5. Na základě hodnocení zákazníků
User’s Guide · IPS – IPT – IPQ – IPLanTVManager
- 12 - IPS – IPT – IPQ – IPLanTVManager Version_en_1.0 FTE maximal
2.3.2. Configuration of the LNB parameters (DVB-S / DVB-S2)
This configuration only applies to DVB-S / DVB-S2 devices and is in relation with the power supply features that the
device provides to the antenna LNB. These features determine the transponders that the device can tune: they establish
the possible band and polarization for the tuned transponders.
These parameters with their default values are presented in the following figure.
Firstly, the device can be configured as MASTER supplying LNB (DVB-S/S2 M), or as SLAVE not supplying LNB
(DVB-S/S2 S). The antenna LNB has to be supplied, so if there are some devices plugged to the same LNB, only one has
to be configured as MASTER and supply the LNB. The rest of the boards has to be configured as SLAVE associated with
the MASTER (we select the MASTER IP address in the “Dish Group” box).
In case of MASTER device, we have to select the LNB type that we are using. For an universal LNB, we present the
following parameters and their default values:
- LNB Low Frequency (MHz) = 9,750 (local oscillator for lower band)
- LNB High Frequency (MHz) = 10,600 (local oscillator for higher band)
- LNB Switch Frequency (MHz) = 11,700
If we are using a different LNB type, the important data to know about it is the number of the local oscillators (single or
double band), and the value of its local oscillators.
The tuner of the device presents a frequency range 0.95-2.15 GHz and using an universal LNB, the Ku band (10.7 –
12.75 GHz) is completely covered:
- Low Band: 10.70 - 11.9 GHz (9.75+0.95) - (9.75+2.15)
- High Band: 11.55 - 12.75 GHz (10.6+0.95) - (10.6+2.15)
The parameter “LNB Switch Frequency” fixes the limit between using the lower or higher local oscillator of the LNB.
Finally, when the device is MASTER, we can force the characteristics of the power supply to LNB (level and tone). We
recommend you to keep these parameters in automatic: the level and tone values are set according the polarization and
sub-band of the transponder you are tuning at every moment.
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