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ENGLISH I 9
Like R.A. balance, these are general balance instructions
and will reduce undue stress on the mount. When taking
astroimages, this balance process should be done for the
specific area at which the telescope is pointing.
Adjusting the Mount
In order for a motor drive to track accurately, the telescope’s
axis of rotation must be parallel to the Earth’s axis of rotation,
a process known as polar alignment. Polar alignment is
achieved NOT by moving the telescope in R.A. or DEC but
by adjusting the mount vertically, which is called altitude and
horizontally, which is called azimuth. This section simply covers
the correct movement of the telescope during the polar
alignment process. The actual process of polar alignment, or
making the telescope’s axis of rotation parallel to the Earth’s,
is described later in this manual in the section on “Polar
Alignment.”
Adjusting the Mount in Altitude
• To increase the latitude of the polar axis, tighten the rear
latitude adjustment screw and loosen the front screw.
• To decrease the latitude of the polar axis, tighten the front
latitude adjustment screw (located below the counterweight
bar and loosen the rear screw.
The latitude adjustment on the Advanced VX mount has a
range from approximately 7° to 77°.
It is best to always make final adjustments in altitude
by moving the mount against gravity (i.e., using the rear
latitude adjustment screw to raise the mount). To do this,
you should loosen both latitude adjustment screws and
manually push the front of the mount down as far as it will
go. Tighten the rear adjustment screw to raise the mount
to the desired latitude.
Adjusting the Mount in Azimuth
For rough adjustments in azimuth, simply pick up the
telescope and tripod and move it. For fine adjustments
in azimuth:
Turn the azimuth adjustment knobs located on either side of
the azimuth housing. While standing behind the telescope,
the knobs are on the front of the mount.
• Turning the right adjustment knob clockwise moves the
mount toward the right.
• Turning the left adjustment knob clockwise moves the
mount to the left.
Both screws push off of the alignment peg on the tripod
head, which means you may have to loosen one screw while
tightening the other. The screw that holds the equatorial
mount to the tripod may have to be loosened slightly.
Keep in mind that adjusting the mount is done during the
polar alignment process only. Once polar aligned, the mount
must NOT be moved. Pointing the telescope is done by
moving the mount in right ascension and declination, as
described earlier in this manual.
Attaching the Declination Cable
The Advanced VX mount comes with a cable that connects
the electronic control panel to the declination motor. To
attach the motor cables:
• Locate the Declination cable and plug one end of the cable
into the port on the electronics panel labeled DEC Port.
• Plug the other end of the cable into the port located on the
declination motor.
Powering the Telescope
The Advanced VX mount can be powered by the supplied
car battery adapter or optional 12V AC adapter. Use only
adapters supplied by Celestron. Using any other adapter
may damage the electronics and will void your manufacturer’s
warranty.
1. To power the telescope with the car battery adapter
(or 12V AC adapter), simply plug the round post into
the 12V outlet on the electronic panel and plug the other
end into your car’s cigarette lighter outlet or portable
power supply.
2. Turn on the power to the telescope by flipping the switch,
located on the electronics panel, to the “On” position.
Azimuth
Adjustment
Knobs
Latitude
Adjustment
Knobs
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