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Celestron SkyProdigy 90 - 22091 Manual

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diode (LED); it is not a laser beam and will not damage the glass
window or your eye. The StarPointer comes equipped with a vari-
able brightness control, two axes alignment control and mount-
ing brackets. Before the StarPointer is ready to be used, it must
be attached to the telescope tube and properly aligned.
StarPointer Installation (SkyProdigy 70)
1. Remove the two silver screws from the threaded posts on
top of the tube assembly (See gure 2-13).
2. Place the holes of the StarPointer bracket over the threaded
posts so that the glass window is facing towards the front of
the scope.
3. Reattached the silver screws to hold the StarPointer securely
in place.
StarPointer Installation (SkyProdigy 90 & 130)
1. Slide the StarPointer bracket into the dovetail mounting
platform on top of the focuser assembly (see gure 2-14).
2. Orient the StarPointer so that the sight tube is facing towards
the front of the tube.
3. Secure the StarPointer bracket by tightening the thumb
screw on the mounting platform.
StarPointer Operation
The StarPointer is powered by a long life 3v lithium battery
(#CR2032) located underneath the front portion of the StarPointer.
Like all nderscopes, the StarPointer must be properly aligned
with the main telescope before it can be used. This is a simple
process using the azimuth and altitude control knobs located on
the side and bottom of the StarPointer.
1. Before using the StarPointer, you must rst remove the
protective plastic cover over the battery (see gure 2-15).
2. To turn on the StarPointer, rotate the variable brightness
control (see gure 2-12) clockwise until you hear a “click”. To
increase the brightness level of the red dot, continue rotating
the control knob about 180º until it stops.
3. Locate a distant object and center it in a low power eyepiece
in the main telescope. If aligning during the daytime,
choose an object at least a quarter of a mile away. If
aligning at nighttime, select the Moon or a bright star that
is easy to see. Use the four directional arrow buttons on the
hand control to move the telescope side-to-side and up and
down.
4. With both eyes open, look through the glass window at the
alignment star. If the StarPointer is perfectly aligned, you
will see the red LED dot overlap the alignment star. If the
StarPointer is not aligned, take notice of where the red dot
is relative to the bright star.
5. Without moving the main telescope, turn the StarPointer’s
azimuth and altitude alignment controls (see gure 2-12)
until the red dot is directly over the alignment object.
If the LED dot is brighter than the alignment star, it may
make it difficult to see the star. Turn the brightness control
counterclockwise, until the red dot is the same brightness as
the alignment star. This will make it easier to get an accurate
alignment. The StarPointer is now ready to use.
Protective
Cover
Battery
FIGURE 2-15
BATTERY COMPARTMENT
Azimuth
Adjustment
Knob
FIGURE 2-16
ALIGNING THE STARPOINTER
11
FIGURE 2-12
THE STARPOINTER FINDERSCOPE WITH BRACKET
Sight
Tube
Azimuth
Adjustment
Control
ON/OFF
Brightness
Control
Altitude
Adjustment
Control
Dovetail
Tightening
Screw
Battery
Compartment
(not shown)
FIGURE 2-13
INSTALLING THE STARPOINTER FOR
SKYPRODIGY 70
FIGURE 2-14
INSTALLING THE STARPOINTER FOR
SKYPRODIGY 90 & 130
… 11 …


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