Sharp SL-550 Guia de Resolução de Problemas descarregar pdf (Página 13)

• A-13 • Set-up/Operation

The projector should then be placed on top of the case oriented with the side lamps

hanging over the edge. This will maximize oor brightness.

Note

If you have the new-style travel cases (shipped with systems beginning in Jan-

uary 2005), the Projector Travel Case is too large to be used as the stand

for the projector inside the dome. Instead, use either the Blower Travel Case

or the Cylinder Travel Case as the projector stand (for either the FiberArc

and Standard projectors). Close and lock the lid (they are not removable)

and place the case in the center of the dome. The case should be placed on

its side (not the hinge or latch side). This will bring the projector to the cor-

rect height (approximately 25”).

Turn on the projector and test all of the lamps. If any of the lamps fail to light, refer

to the troubleshooting guide on page 33. Test the motor drive by ipping the toggle

switch labeled “Daily Motion” into the “on” position. The plastic plate on the projec-

tor should begin to rotate slowly. If the plate does not move, make sure the cable from

the motor is securely plugged into the large three-pronged outlet on the back of the

projector. If the plate still doesn’t turn, refer to the troubleshooting tips on page 33. If

the plate turns correctly, turn off the switch before putting on a cylinder.

Changing the Projection Cylinders

All of the projection cylinders used on the STARLAB planetarium are designed to work

in the same way. They are made out of lm and should be handled gently because

they are easily crushed. Cylinders should be handled from the top and bottom rather

than the sides. Before touching the cylinder, hands should be cleaned and free of

hand lotion and perspiration.

Cylinders are held on the projector by four magnets attached to the clear plastic

cylinder platform. At the bottom of each cylinder is a 2.5 inch diameter hole with a

small notch cut into it. The hole allows the cylinder to be placed over the top of the

projector and the notch lines up with the small white tab (cylinder alignment key) on

the cylinder platform of the projector. When changing cylinders, the latitude adjust-

ment bar must be set at 90 degrees in the polar position (straight up and down) and

the clear plastic plate should be horizontal.

Warning

Changing cylinders when the support plate is tilted can cause severe dam-

age to the projector!

Note the position of the cylinder alignment key on the cylinder platform and carefully

slip the cylinder over the top of the projector until it rests on the clear plastic platform.

Hold the platform with one hand so it does not rotate and slowly rotate the cylinder in

either direction until the notch on the cylinder lines up with the cylinder alignment key.

Note

On most cylinders the notch is directly under the seam on the side of the

cylinder.

When this happens, you will hear a “click” and the cylinder will lock into place. To

remove the cylinder, rst make sure that the projector is set for 90 degrees latitude

(straight up and down). Grasp the cylinder at the sides directly under the top ring and

gently pull straight up until the cylinder pulls free of the magnets. The magnets are

quite strong so don’t be surprised if it requires a little force to remove the cylinder.

Shown above: the old-style Projector Travel

Case as the projector stand in the dome. For

systems shipped beginning in 2005, use the

Blower or Cylinder Travel Case to achieve

the correct projector height in the dome (see

photo below).

New-style Blower Travel Case as projector

stand.

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