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3. Set the polarisation on the connected feed system to obtain
the best reception using the following formula:
pole angle
new
= pole angle
TAB
– V
PA
new
: polarisation angle to be set on the reception system
PA
TAB
: Polarisation angle according to the table included with
the reception system
V: Inclination angle of the tiltable feed system support accor-
ding to table 9362131.
4. Set the polarisation on the other systems until the best
reception is obtained.
5. If necessary, re-adjust the elevation and azimuth of the
antenna.
–
Loosen the screw on the inclination scale.
–
Tilt the antenna slightly upwards and downwards until
either the antenna meter shows the strongest antenna
signal or visual assessment concludes that the best
picture has been achieved: To do this, tilt the antenna
far enough upwards and downwards to get to the limits
where the first "little fish" (analogue) or "little blocks"
(digital) appear on the screen.
–
Position the antenna midway between these two points.
–
Alternate correcting the direction (azimuth) and inclination
(elevation) until the measured results or the picture quality
show no further improvement.
Note
:
When tightening the nuts on the clamp, there is a risk of the
antenna turning slightly. You should allow for this when doing the
fine adjustment (and if necessary make use of it when starting
the adjustment operation all over again).
Tip
In case of only two satellites, the antenna should
be aligned towards the satellite which is transmit-
ting the weakest signal.
6. Tighten all screws after the adjustment.
Fig. 7:
Fine adjustment
