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echo: tvro
to: JOHN POLYZOIS
from: ROBERT SAYRE
date: 1998-01-27 22:09:00
subject: Installing a Satellite Di

RS>  I'm probably going to regret starting this; but, it is NOT critical
RS> that the pole be plumb.
RS>  And, I can tell you how to check that the other adjustments are
RS> correct WITHOUT a plumb, inclinometer, nor compass.
GC>  I'll be installing a dish rsn, enlighten me.
 OK.
 First of all, you want the pole as plumb as practical for two
reasons:
   1) Looks. A plumb pole looks better, and
   2) To make sure that your mount hardware does not hit against the
   pole. This would normally happen only if the pole were to be VERY
   far from plumb (45ø for example).
 If your hardware will not "bottom out" against the pole; and, if you
don't care how your pole looks, it can be leaning SUBSTANTIALLY and
still track the satellite belt.
 Bottom line: set your pole as plumb as practical, and then don't
worry about it.
 What IS important, is that the axis upon which the dish rotates, is
in proper alignment with the satellite belt.
 I will assume that you can find out which direction is generally
south without a compass.
 I will also assume that the dish is assembled and installed upon the
pole. I recommend putting a small TV and the receiver at the dish,
connected with short temporary cables.
 Turn everything on, and set the receiver to scan the channels (if it
has this function) or to channel 6 (if your receiver doesn't have the
channel scan function).
 Move the dish from left to right, looking for any signs of a signal.
This can be done by loosening the hardware and moving the mount
around the pole, or with the positioner - whichever is easier.
 If you don't find anything, raise (or lower) the dish with the
elevation adjustment and try again.
 A) Once you find a signal, tighten the hardware. (Not too tightly,
   though, as you'll still need to make adjustments)
 B) Now that you've got some signal, adjust the elevation to make the
   signal as strong as possible. (You will probably want to turn off
   the scan function for this)
 C) Try to tune the receiver for the best picture. Use the polarity
   or skew controls as well. Try other channels if necessary.
 D) Once you're sure that you've got a TV signal, move the dish
   towards the east a little bit with the positioner until you get
   another signal. Once you do, readjust the elevation to make the
   signal get as strong as possible. (If you can't find a second
   signal, you may have to adjust the elevation up or down slightly
   and try again)
 E) Keep repeating these steps (A,B,C,D), until you find the most (or
   nearly the most) eastern satellite. Note the east/west position of
   the dish itself (not the position indicated on the positioner) so
   that you can find this satellite again, easily. You will have to
   find it again later.
 F) Next, find the most westerly satellite by repeating the above
   steps, substituting the words west and western, where appropriate.
   You will need to find this satellite again, too, so note the
   dish's position.
 G) Move the dish back to the east satellite position. Adjust the
   elevation while counting the number of turns, until you get a
   signal again.
 H) Readjust the elevation half way between these two settings. (Half
   of the number of turns between east setting and west setting)
 I) Next, loosen the hardware so that the mount can turn around the
   pole. Rotate the mount around the pole in the direction of the
   "higher" satellite. (Not more than 1/4 of the way around the pole)
   Do NOT use the positioner to move the dish for this step. Tighten
   the hardware again.
 J) Repeat the steps above (A - I) until you can receive both
   satellites at full strength without adjusting the elevation.
 K) Move the dish (using the positioner) to the midpoint between the
   other two satellites.
 L) Adjust the elevation while counting the number of turns until
   you get a signal. (You may have to move the dish slightly with
   the positioner)
 M) Make the signal as strong as possible with the positioner,
   tuning controls, skew or polarity controls, and the elevation
   adjustment.
 N) Adjust the elevation half way between this setting and the
   setting for the other two satellites (half of the number of
   turns counted).
 O) Adjust the declination until you get the signal as strong as
   possible.
 Repeat all of the above steps until you are satisfied that they are
optimum. Tighten all hardware.
 Install and set up your reciever according to its manual.
 Well, that's it. I hope that it's of some help.
 TTYL.
 Robert
 * SLMR 2.1a * Always borrow from a pessimist.They never expect it back.
--- Platinum Xpress/Win/Wildcat5! v2.0
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* Origin: Fresno Area Amiga eXchange-(209)226-7162-*HST/DS V.34+* (1:205/40)

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