DUR-line SF 2500 Pro Manual - Página 2

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1 Prepare the satellite dish



Step 1: Determine the angle of the

satellites

It is necessary to know the approximate

position on the horizon in order to quickly

align the antenna to the correct satellites.

For this purpose, either use

the easy online calculator at

www.durline.de/tools/satcalc.html

or scan the following QR code.

Or:

Reference directions for the most com-

mon private and public broadcasters,

such as Sky, can be found in the above

table (ASTRA 19.2° East).

Angle calculator

Step 2: Roughly positioning the



satellite dish

You now need to align the antenna towards the

direction in the sky where the satellite is

expected.

Elevation angle: Using the antenna

scale (back part)

Azimuth angle: align by compass

(E.g. smartphone/Satfinder)

The dishes on neighbouring roofs

should serve as a guide.

Rules of thumb:

1. Satellites that can be received in Europe are found in the South. The southern point corresponds

to 180° (E.g. use mobile compass).

Turn in a easterly direction (to the left) or a westerly direction (to the right) from this point. Astra 19.2° E

is located a few degrees to the east, so you therefore need to turn to the left (see Graphic 1).

2. It is also necessary to ensure that the antenna is adjusted to align with the correct elevation angle.

Please ensure that no obstacles mask the view of the satellite. A clear view is absolutely essential

(see Graphic 2).

1. For Astra 19.2°:

turn slightly to the left

Astra

South

19.2°

12:00 midday

2 Start operating the Satfinder

LNB

Use Satfinder only close to the LNB.

Reduce LNB background noise

carefully attenuate to 10%

-->

turn

100%

LNB

Background

noise

3 Adjust the satellite dish more precisely



Antenna roughly aligned as described in step 1?



Satellite finder adjusted as described in step 2.4?



3.1 Turn the satellite dish CAREFULLY right and left –

observe signal strength bar or buzzer volume

If the antenna is roughly aligned, the signal strength bar in the display goes up.

The aim is to find the point with the max. signal level, but not to reach a certain numerical value (such as 99%).



3.2 Press the "Attenuation +" or "Attenuation -" button, and carefully turn the adjustment

wheel (right) to keep the signal level bar in the middle (approx. 50%).

->Thus, there remains enough "leeway in the display" when adjusting to identify whether the

reception is getting better or worse.

If the display reaches approx. 99%, attenuate slightly again (button/wheel) and adjust more

precisely.

4 Check the TV picture and remove the Satfinder



4.1 Check the picture of a number of channels on your TV (if necessary, start a channel search)

It is most likely that the satellite dish is aligned towards a different satellite, if no channels or the

wrong channels are received. Some satellites are in close proximity to each other.

 Check the Azimuth angle and adjust again.



4.2 Switch off the receiver/power supply

Firstly, separate the receiver from the mains to avoid short circuiting.



4.3 Fasten the satellite dish crosswise and remove the satellite finder from the signal path.

Finally, connect the supply cable to the LNB - job completed!

2. Obstruction max. half as high as distance

from the antenna

Antenna

from above

Receiver

-->

Threshold value

10%

adjust

Attenuation

Keep signal level

at 50%

SENSITIVE

in addition

Use

+/- buttons

(3 stages)

ASTRA 19.2° East

Azimuth

Germany region:

angle:

North-west (Dortmund)

165°

North-east (Berlin)

173°

South-west (Stuttgart)

167°

South-east (Munich)

170°

Satellite positions in Europe

Elevation:

approx. 30°

Astra 19,2

= approx. 30°

max. 5 m

10 m



2.1 Connect the Satfinder with the LNB

Use the coaxial cable that was included with

the product – connect the "LNB" connector

to the LNB output.



2.2 Connect the receiver/power supply

(receiver is off)

Connect the (receiver) supply cable to the

connector that is labelled "Receiver"



2.3 Switch on the receiver/power supply

The receiver now supplies the power

to the satellite finder – the satellite finder

starts.

The satellite finder potentially displays a reading,

often 99% or 0%  Turn the adjustment wheel.



2.4 Attenuate the LNB background noise

Depending on the LNB type and background

interference radiation, the satellite finder may

already display a reading even though a satellite

is not being located.

Before beginning the alignment, you must

attenuate the interference radiation/back-

ground noise.

To do this, turn the lateral adjustment wheel or

press "Attenuation" buttons (ATT-), until you

find the threshold value and then adjust the

level to approx. 10%.

Now the satellite finder is ready to display

the satellite signals correctly.

Keep the signal level display region

at approx 50% by reducing or increasing the

attenuation.

An increase or decrease in the level can thus

be identified.

If attenuation is activated,

"ATT" appears on the display.

The adjustment wheel is very sensitive.

 In addition, use the "Attenuation +/-"

buttons.

3.3 Optimally align the antenna by



gentle turning and tilting

The antenna is optimally aligned

when the signal strength cannot

be increased anymore.

It is often possible to somewhat increase the

quality by turning the LNB in its retaining

clamp in small increments, known as skew

optimisation (not necessary for Astra 19.2°).

Elevation

LNB tilt

angle:

angle (skew):

30°

-2°

30°

-2°

33°

-2°

34°

-0°

Azimut:

Astra 19,2

= approx. 170°

Obstruction