Nokia Mediamaster 220S, Руководство пользователя

Страница: 18 / 36

GB 18
FIRST TIME INSTALLATION
Switch port
Here you select the input for each LNB that will be connected.
In this specific example, the DiSEqC 1 input will be selected first.
LNB Offset Voltage
If the cable from any of the LNB’s is very long, it might be nec-
essary to increase the voltage to these LNB’s by 0.5 V.
In most cases nothing has to be altered here. Leave the default
value “0 V” as it is. If the switch does not change between hori-
zontal and vertical polarisation, the voltage to a LNB can be in-
creased later. Increase the voltage only if an LNB does not change
polarisation.
Satellite
In this example, select Thor because its LNB is connected to the
DiSEqC 1 input on the switch.
Predefined channel
Select one of the predefined channels and adjust the antenna
until you have a TV picture from the predefined channel visible
in the background.
Go through the same procedure for the second DiSEqC port.
But this time select
2 from “Switch port” and Sirius as the sat-
ellite.
• When the configuration of both DiSEqC ports are ready, press
OK to continue to the channel search procedure. Please refer
to page 19.
DiSEqC 4 Input Switch
Select this alternative if your antenna system has four LNB:s .
The selection of the different LNBs must be controlled by an
external switch. Refer to page 17.
The procedure is the same as for two port DiSEqC, but you have
to configure four LNBs the same way as described on page 17-
18.
Connection of a four port DiSEqC switch:
The following is an example of how you can connect 4 LNBs if
you want to watch channels from ASTRA, HOTBIRD, SIRIUS and
THOR.
Connect the LNBs to the switch the following way:
• the LNB intended for THOR to input 1
• SIRIUS to input 2
• HOTBIRD to input 3
• ASTRA to input 4
The output marked OUT on the switch shall be connected to the
ANTENNA input on the Mediamaster.
DiSEqC switch with 4 inputs