Dolby Laboratories Digital-Satellite-Receiver - Manual (Page 56)

> When you have set up the test transponder, press
Back, to return to the menu for setting up the
motorized rotating antenna. The field used to enter the
orbital position will be active.
> Use the
numeric keys to enter the orbital position of
the user satellite and confirm by pressing
OK.
> Now press the
OK key to indicate whether it is a west-
erly (W) or an easterly (E) orbital position.
If the
Geo-positioning function is set to On (Point 9.2) you
can now rotate the antenna dish to the programmed user
satellite position by using the function
Turn to Sat (Point
9.4.1).
If the
Geo-positioning function is set to Off, you will have
to rotate the antenna manually to the desired satellite position
(Point 9.3.2.2).
9.3.2 Adjusting the satellite antenna
To be able to point the antenna at a particular satellite, and to
confirm whether you are receiving the correct satellite at the
position set, a test transponder has been set up for each
satellite.
The exact positioning of the antenna is only made possible by
the indicator showing the signal strength and quality of the
test transponder.
9.3.2.1 Configuring the test transponder and LNC
To change the parameters of the test transponder concerned,
proceed as follows:
>
Use the
arrow keys to mark the field Current
Satellite List.
> Press
OK to open the satellite list.
> Use the
arrow keys up/down to mark the satellite
position for which you wish to change the data.
> Confirm by pressing
OK.
> Now use the
arrow keys to mark the field LNB
Config. and press OK.
The menu LNC settings will be displayed.
(Fig. 9-12)
> In this menu, enter the data relating to the test trans-
ponder as well as to the LNC being used, as
described in
Point 6.4.3.
> Press
Back to return to the settings for the motor
antenna.
9.3.2.2 Manual positioning of antenna
You can establish the optimum position of the antenna by
working according to the indication of signal strength and sig-
nal quality. Adjust the antenna so that the maximum values
are achieved on both bar graphs.
>
Now use the
arrow keys up/down to mark the field
Store.
56
(Fig. 9-12)
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