GETTING STARTED (
with an OR2800 azimuth rotator
)
We highly recommend that upon receiving the rotator and controller, you hook it up in the shack
and get used to the operation.
Here is what you do.
1. Connect the black lead in the rotator pigtail to terminal #1 on the back of the control box.
2. Connect the White wire to terminal #2. (AND ON AC UNITS, connect the RED wire to #3).
3. Connect the Orange wire to terminal #5.
4. Connect the Blue wire to terminal #6.
5. Unwrap the AC power cord and plug in the RC-2800PX controller.
6. Turn on the controller. The NEW green display should come up and read “0” “9” XXX .X
7. Push and hold in the UPPER mode button. “P20 0.0” should come up.
8. Bump the LOWER mode button SEVEN (7) times until you see “P0 CAL”
9. Push in the LOWER mode button and you will see the SEGMENTS of the digit to the left of
the “C” start to rotate counterclockwise at the same time the rotator is moving Counterclockwise
(CCW). Release the LOWER mode button and the rotator will continue going CCW by itself at
half speed. Soon the rotator will stop and the display will change to read “0 9 L346”. The rotator
and the control box are now in sync and CALIBRATED. THIS PROCEDURE CAN BE RE-
PEATED ANYTIME IF YOUR CALIBRATION IS LOST, CHANGED OR SUSPECT. It can also be
done remotely from a computer. Normally, the only thing that can keep your RC-2800PX from
displaying the correct heading is IF your mast or antenna has slipped.
10. Now push the CW button and rotate the OR-2800 until the display reads 0.00 or close.
This represents TRUE NORTH, not MAGNETIC NORTH. The “antenna system” if one were
clamped to the top plate, should be pointed at TRUE NORTH and the mast clamps tightened.
YOU ARE NOW CALIBRATED. You should use the above procedure for your final setup too.
NOTE: Any known direction can be chosen for use in aligning the antenna to but you must run
the rotator to THAT heading PRIOR TO clamping the antenna in that direction. THAT’S IT. All
that is left to do is mount the rotator in the tower and connect up the control cable at both ends.
Clamp the antenna at the chosen heading as viewed on your RC-2800PX display and you are up
and running. More details on programming, presets, “South stop”, RS-232 interface, cable size
and possible shielding requirements and much more are on subsequent pages of this manual.
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