Orion Sirius Pro AZ/EQ-G, Инструкция по эксплуатации

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2.5 Balancing the telescope
To minimize stress on the motor drive system and ensure
smooth, accurate movement of your telescope on both axes,
it is imperative that the optical tube be properly balanced. We
will first balance the telescope with respect to the right ascen-
sion (R.A.) axis, then the declination (Dec.) axis, in the equato-
rial mode.
1. Keeping one hand on the telescope optical tube, loosen
the R.A. clutch wheel. Make sure the Dec. clutch wheel
is tightened, for now. The telescope should now be
Figure 8.
The R.A. clutch wheel.
Figure 9.
The 120mm shaft extension threads into the
counterweight shaft.
Figure 11.
The hand controller bracket should be strapped
around the pier-pod.
Figure 7.
Loosen the two counterweight shaft lock knobs to
extend or retract the counterweight shaft.
Figure 10.
Install counterweight(s) before attaching your
telescope to the mount!
Dec. clutch
wheel
Counterweight
shaft lock knobs
Satety stop
R.A. clutch wheel
Extension
Bracket
a.