Meade lightbridge 16 Guia Do Utilizador

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ALIGN THE RED DOT FINDER
It is recommended that you perform steps 1 and 2 of this procedure during the day-
time and step 3 at night.
1.
If you have not already done so, place the low-power  26mm) eyepiece in the eye-
piece holder (
15, Fig. 1) and point the telescope at an easy-to-find land object
(e.g., the top of a telephone pole). Turn the focuser knob (
13, Fig. 1) so that the
image is sharply focused. Center the object precisely in the main telescope’s field
of view.
2.
Rotate the Intensity slider to the brightness level you feel comfortable with. Then,
looking through the red dot finder, turn one or both of the red dot finder’s 
alignment screws until the finder’s red dot points precisely at the same object as
centered in the main telescope. The red dot finder is now aligned to the main 
telescope.
3.
Check this alignment on a celestial object, such as the Moon or a bright star, and
make any necessary refinements.
DELUXE RED DOT FINDER
The deluxe red dot finder is similar to the standard model, except that it provides you
with four different red dot indicator shapes: a dot, a cross, a diamond and a bullseye.
Rotate the dial on top of the finder to change the intensity. Push the lever below the
finder to change the shape of the dot.
The bracket attaches to the finder and the telescope in the same manner that the 
standard red dot finder attaches (see step #12, page 7).
To align the deluxe finder, adjust the hex screws on the top and side of the finder with
the supplied hex wrench. Follow the procedure described in the 
A
LIGN THE
R
ED
D
OT
F
INDER
section, above.
USING A DOBSONIAN TELESCOPE
1.
Never lubricate the Teflon pads on the ground plate. Your Dobsonian has been
designed with some inherent friction. You want the telescope to move easily when
you position it, but you also want it to stay in the position you place it. Using any
kind of oil, silicone spray, wax, or grease will ruin the performance by causing the
telescope to move too easily. Just keep these bearing surfaces clean; that’s all the
maintenance required.
2.
The altitude bearing surfaces (
7, Fig 1) of the telescope are lightly lubricated at
the factory for optimum performance. Over a period of time, these surfaces may
become dry or dirty. Simply clean off the bearing surfaces with a dry cloth or
paper towel. Do not use solvents or alcohol-based cleaning solutions as this may
damage the bearings or the painted surfaces of the telescope.
3.
You will notice that your telescope will move in altitude by raising and lowering the
tube, and in azimuth by rotating the base. As you observe objects in the night sky
they will appear to drift out of the field of view due to the Earth’s rotation. To keep
an object centered in the field of view, just lightly nudge the telescope in the 
proper direction. This may take a little practice at first, but you’ll soon get the hang
of it.
4.
Be sure the Mount is placed on a relatively level surface to allow proper 
operation. Each of the three feet should be in firm contact and not wobble. If you
are in an area with particularly rough or soft ground, it may be helpful to place the
Mount on a thick piece of plywood.
5.
Part of the fun of using a Dobsonian type of telescope is the challenge of hunting
for objects in the night sky. Invest in some simple star charts and books that tell
you how to locate objects using a technique called “star hopping.” Once you begin
learning the star patterns and constellations, you’re well on you way to finding
many amazing sights.
Rotate the intensity dial to make the
red dot more or less intense.
The deluxe red dot finder.
Intensity Dial
Hex screws
alignment
screws