Bedienungsanleitung Meade Goto-Kit for equatorial EQ-5 Mounts (Seite 34 von 40) (Englisch)

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Instruction Manual

7. Rotate the telescope 180° in the R.A. axis ONLY, to return the optical tube to

position A.

8. Repeat steps 5 through 8, if necessary, alternating between position A and posi-

tion B, and bringing the reference object halfway of the remaining distance to

center. Stop the procedure once the distance between the object in position A

and position B is less than one third the width of the eyepiece.

9. As a final check, select another object and place it into the center of the eye-

piece. Rotate the mount about the R.A. axis. Watch the motion of that object.

It is acceptable if it moves slightly, but should remain in the eyepiece the entire

time.

Tips

• WhenmovingtopositionAorB,itisusuallysufficienttomerelyleveltheDec.

axis by eye. Whether in position A or B, the counterweight shaft should appear

to be horizontal when looked at from several feet away.

• Ifyouarefindingitdifficulttolowerthealtitudeofthetripodheadwithoutthe

counterweight banging into the forward tripod leg, increase the length of the two

rear tripod legs to introduce a tilt into the whole mount.

• Beforestartingthealignmentprocedure,itishelpfultohavethetripodazimuth

adjustment knobs even, to allow an equal range of travel in either direction.

• Make sure the focuser lock is tightened once focus is achieved. Otherwise,

gravity may cause the focuser to move during rotation of the telescope and

introduce error into the procedure.

Method #3: Axis Alignment Using the handbox

Perform this procedure during the daytime. You will need to have an unobstructed

view of an easily sighted landmark, such as a light post. Use a low-power eye-

piece, such as the supplied 26mm. This procedure assumes that you have some

familiarity with teh handbox‘s menu structure (you will need to locate the „Setup:

Telescope“ menu). If necessary, refer to HANDBOX‘S MENUS, page 22.

Note: For best result, perform this procedure after you have trained the

drive. See page 17.

1. Adjust the latitude T-handle screws (10, Fig. 1a) so that the latitude is set to

45° or higher. See Step #6, page 10, for information about setting the latitude

controls.

2. Refer to Fig. 48 while performing this step. The Dec. motor (B) must be

positioned so that it is at the back of the mount. The optical tube (A) must be

approximately horizontal (i.e., parallel with the horizon) and the counterweight

shaft must be pointing straight down.

Loosen the cradle ring locks knobs (C) and move the optical tube until the

eyepiece (D) points downward as shown in the Fig. 48. Re-tighten the cradle

ring locks.

3. Make sure that both the R.A. and Dec. locks (1 and 17, Fig. 1a) are tightened

to a firm feel.

4. Turn on the handbox and go to „Setup: Telescope.“ Press ENTER.

5. Press one of the Scroll keys until „LXD75 Adjust“ displays and then press

ENTER. A message displays that tells you to center a landmark. If the land-

mark is not visible in your eyepiece, lift and move the entire telescope and

tripod assembly—try not to move the tube too far from the horizontal position

(no more than 5° up or down), as described in Step #2. You may also use the

fine azimuth controls (11, Fig. 1a) for side to side movement and the Up/Down

Arrows of the handbox for small adjustments to the declination axis.

6. Caution: Before pressing ENTER, step back from the telescope assembly,

as the telescope will begin to rotate about two axes. When the landmark is

centered (Step #5), press ENTER.

Fig. 48: Method #2 Setup. (A) Optical

Tube; (B) Dec. Motor; (C) Cradle Ring

Lock Knobs; (D) Eyepiece.

Motor at

back of

mount

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