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FAQ 66-2002-en

Do I need an external PSU to select the polarity of a dual LNB used in a communal installation?

Is 18 volts always supplied by the amplifier?

Respuesta: 

The IF launch amplifier ref. 5376 is able to switch its line powering voltage (18 volts and 13 volts) on and off internally.

By switching to the adequate voltage, any of the LNB polarities can be selected.

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