Vixen AP Equatorial Mount Instruction Manual page 13

BEFORE USE
Friction Stop Mechanism
The AP mount employs a friction stop mechanism which allows you
to move the optical tube by hand so that you can quickly point it at
your target celestial object The optical tube moves as you guide it by
hand and stops as you release.
Altitude Adjustment Bolt
This is used for polar alignment during your set up for observation.
It is used to adjust the elevation of the polar axis to be parallel to
the Ear th's a xis.
Azimuth Adjustment Knobs
This is used for polar alignment during your set up for observation.
Adjust the direction of the polar a xis to be parallel to the Ear th's
axis. Unfastening one side of the azimuth adjustment knob will
allow fastening the knob on the other side.
Accessory Shoe
Attach an optional Polar Meter sold separately. It will allow you to
approximately align the AP mount to the Nor th Pole, if Polaris is not
seen from your observing site in the nor thern hemisphere.
Power Supply Port
The AP-SM mount runs on self-contained four (4) AA –size batteries,
or a USB external battery. The USB external battey with USB micro-
B adapter will be needed for long observing sessions.
North
Azimuth
adjustment knob
Accessory shoe
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13
DEC axis
Polar axis
Altitude adjustment
bolt
Azimuth adjustment
bolt
Polar Meter (optional)
USB micro-B adapter