Here I explain how to install a 0.55m Ku band fixed dish for DishHD Asia system.
To receive 122E satellite signal, your satellite dish needs to be positioned correctly. You can do this yourself.
Before doing it, you might ask: Is satellite always there in that fixed position?TV Satellites are “parked” approximately 22,300 miles above the equator. In reality, the satellites travels exactly the speed of the Earth’s rotation, so it is called “geostationary orbit”, so it is fixed out there.
Now let’s start the job.
1. Survey your ideal installation site to ensure an unobstructed view to South, 12 o’clock direction for a Shanghai location. Shanghai is 121.29, very close to 122.2.
How to mount your dish stand arm? Two options:
A. Drill four holes and use self expansion screws to mouth the stand dish arm.
B. Use our special mount bracket and screws to mount it on metal guard railing, this method is recommended. It is easy, strong and fast.
When you have securely mounted your satellite dish are, assembly the dish. With your dish now mounted and properly set, you are now ready to aim your dish toward the satellites.
To set the dish to point up to the satellites, you’ll first need to set the elevation. Then you’ll point the dish in the proper left-to-right position, to set the azimuth. You’ll need to refer to the installation manual for your system for detailed instructions, but here’s the short course.
Setting Elevation (up-down)
You can set the proper elevation after the dish is securely mounted. First, loosen the nuts securing the two elevation bolts so that the dish easily moves up and down. Line up the elevation indicator with the tick mark corresponding to your elevation number. Then tighten the bolts. You may need to readjust the elevation up or down slightly to get the best signal. See figure on top.
Setting Azimuth (left-right)
Loosen the azimuth nuts on the LNB arm enough that the dish can be turned smoothly with little pressure. Set the azimuth by moving the dish left and right. Point the dish in the general direction of the satellite, in the southern hemisphere. By using a compass you can better pinpoint the direction with your azimuth number to correspond with the degrees on your compass. See figure on top.
Checking the Signal
Now your dish will be in position to lock in on the satellite signal. You’ll need to
1) have your digital receiver connected to your television, with both turned on.
2) have your antenna LNB to receiver cables connected.
3) be viewing your Point Dish display from your box’s on-screen menu to measure the signal strength accurately. To view the signal strength and quality (211t and 612t receivers) press Menu, Installation, Point Dish, select Transponder 1, Satellite 122.
If you use a satellite meter, set it as LNB: 10750/10750, Frequency 12274 V 06000 to find signal. Once testing cable is connected to LNB, the signal strength is around 80% as long as your dish is basically facing South.
Ask a helper to watch the Signal Strength screen if you do not have a satellite meter, for indications you are receiving the signal, the upper meter is the signal strength, the lower meter is the signal quality. Please note that you will receive the signal ONLY when there is a signal on the lower meter (signal quality). Stand behind the dish, and holding its outer edges, slowly turn it a little to the right to adjust the azimuth. Pause a few seconds, giving the receiver enough time to lock in on the satellite signal. Continue turning the dish in this way until you have acquired the signal or until you have rotated the dish approximately 15 degrees from the starting point.
If you haven’t detected a signal yet, return to the starting point and move the dish to the left again. If you don’t acquire the signal after rotating the dish approximately 15 degrees to either side of the calculated azimuth angle, loosen the elevation bolts and tilt the dish upward so the elevation indicator moves halfway from the current tick mark to the next mark. Then tighten the elevation bolts.
If necessary, continue changing the elevation in half-tick-mark increments until you receive the signal. After tilting the dish upwards three tick marks beyond the original tick mark, return it to the original tick mark and then tilt it down a half tick mark. Keep repeating this until you receive the signal.
If the Signal still eludes you, check:
Check to make sure that the mount is 100% level. The portion that the dish mounts on must be straight up to the sky level. Otherwise you will not be able to find the signal
That nothing–a tree, for example–obstructs the signal that the cables are connected properly to the receiver.
That you have the correct azimuth and elevation coordinates
Now that you have received the satellite signal, it is important to fine tune the dish pointing to make sure you have the maximum possible signal strength. Maximizing the signal is important, in that, it reduces “rain fade” during inclement weather. Loosen the elevation bolts, then gently continue turning the dish a little in the same direction you were turning it when you began to receive the satellite signal. Pause for a few seconds each time after moving the dish. Turn the dish in this way until the signal quality strength reaches its highest reading and then begins to fall. Then slowly turn the dish the opposite way until you again receive the highest reading on the Signal Strength screen. Important: The Signal Strength reading does not need to be “100.” Lock in on the highest possible signal. Tighten the azimuth bolts.
Loosen the elevation bolts. Slowly tilt the dish up and down to improve the Signal Strength reading. When you are satisfied that you have the strongest signal, tighten the elevation bolts.