Bedienungsanleitung Celestron CGEM DX (Seite 7 von 38) (Englisch)

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attaChinG thE hanD Control holDEr

The telescope comes with a hand control holder to place the

computerized hand control. The hand control holder comes

attached to the tripod leg and can be easily removed for

convenient use. To use the hand control plug the phone jack

connector into the hand control port labeled on the electronics

control panel.

attaChinG an optiCal tubE to thE Mount

The CGEM DX mount is equipped with a mounting plate that

accepts the Celestron CGE style (3”) dovetail bar. Before you

attach the optical tube, make sure that the declination and

rightascensionclutchknobsaretight(seeFigure2-8)and

thecounterweight(s)aresecurelyinstalled. This will ensure

that the mount does not move suddenly while attaching the

telescope. To mount the telescope tube:

1. Loosen the mounting screw on the side of the telescope

mounting platform. This allows you to slide the dovetail bar

onto the mount.

2. Remove the safety screw located at the front of the

dovetail bar.

3. Slide the dovetail bar on the telescope tube into the

mounting platform of the mount.

4. Tighten the mounting screw on the side of the mounting

platform to hold the telescope in place.

Now that the optical tube is securely in place, the visual

accessories can now be attached to the telescope.

MovinG thE tElESCopE Manually

In order to properly balance your telescope, you will need to

move your telescope manually at various portions of the sky to

observe different objects. To make rough adjustments, loosen

the R.A. and DEC clutch knobs slightly and move the telescope

in the desired direction.

Both the R.A. and DEC axis have lock levers to clutch down

each axis of the telescope. To loosen the clutches on the

telescope, rotate the lock levers counterclockwise.

balanCinG thE Mount in r.a.

To eliminate undue stress on the mount, the telescope should

be properly balanced around the polar axis. Proper balancing is

crucial for accurate tracking. To balance the mount:

1. Verify that the telescope is securely attached to the

telescope mounting platform.

2. Loosen the R.A. lock lever and position the telescope off to

one side of the mount. The counterweight bar will extend

horizontally on the opposite side of the mount.

3. Release the telescope — GRADUALLY — to see which way

the telescope “rolls.”

4. Loosen the set screws on the side of the counterweight so it

can be moved the length of the counterweight bar.

5. Move the counterweight to a point where it balances the

telescope (i.e., the telescope remains stationary when the

R.A. clutch knobs are loose).

6. Tighten the screw on the counterweight to hold it in place.

While the above instructions describe a perfect balance

arrangement, there should be a SLIGHT imbalance to ensure

the best possible tracking. When the scope is on the west

side of the mount the counterweight should be slightly

imbalanced to the counterweight bar side. And when the

tube is on the east side of the mount there should be a slight

imbalance toward the telescope side. This is done so that the

worm gear is pushing against a slight load. The amount of the

Figure 2-7

Safety

Screw

Dovetail

Bar

Telescope

Mounting

Screw

Figure 2-8

DEC Lock

RA Lock

Figure 2-9

Figure 2-6

Hand Control

Holder

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Celestron CGEM DX Seite 7

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