Bedienungsanleitung Bresser 4701127 (Seite 8 von 40) (Englisch)

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Usage

Special features of the telescope

Practical Tips

- Rotation limiter: The telescopic base and the mounting fork are equipped with an

internal"rotationlimiter".Thehorizontalturnstilepreventsthetelescopefromturningby

morethan630°.Thisavoidsdamagetotheinternalwiring.Theverticalpanlockensures

that the viewfinder does not move against the mounting fork when the telescope is tilted

beyondthevertical90°position.Italsoensuresthattheopticaltubenevertouchesthe

baseassoonasyoutiltitdeeperthan30°.Neverattempttomovethetelescopebeyond

these locks manually or by motor drive. You would damage your instrument with it.

- Vertical clamping; declination pitch circle:Theactuationoftheverticalclamping(6,fig.

2) is done with a knurled knob on the arm of the mounting fork to the right of the focusing

knob(8,fig.2)canfind.Belowthisbuttonacircularscalewithoutnumbersismounted.

Donotconfusethisscalewiththedeclinationpitchcircle(16,Fig.2)ontheoppositefork

arm, which has a numerical scale and is used to search for astronomical objects.

- Note on observations in closed rooms: Although the telescope could occasionally be

used to make observations at low magnification through an open or even closed window,

the best observation is always made outside. Temperature differences between indoors

andoutdoorsand/orthepoorqualityofmostdomesticwindowsarelikelytocausehighly

distorted images in the telescope. Never expect high-resolution images under these

conditions!

Telescope control

The use of the MCX telescope is made easy by a consistently well thought-out arrangement

of the functions and the manual operating options. Make sure that you have familiarized

yourself with all the functions before starting the practical observation.

Horizontal clamping (9, Fig. 2 and Fig. 18): It influences the manual horizontal rotation of

the telescope while the telescope rotates as shown in Fig. 2 is in upright position. If you

operatethehorizontalclampcounterclockwise,thetelescopeisreleased;itcannowbe

rotated horizontally by hand without hindrance. As soon as you turn the horizontal clamp

clockwise, block the manual horizontal movement. At the same time, however, the clutch

ofthehorizontaldriveisactivatedforusewiththeAutoStar#497handheldcomputer.

When the telescope is aligned with the celestial pole, the horizontal clamp serves as a

rightascensionorRAclamp(theterm"rightascension"isexplainedinmoredetailon

page18).

Vertical clamping (6, Fig. 2 and Fig. 19): It affects the manual vertical rotation of the

telescope as it moves as shown in Fig. 2 is in upright position. If you operate the vertical

clamp counterclockwise, the telescope is released; it can now be swivelled vertically

unhindered by hand. As soon as you tighten the vertical clamp clockwise (hand tight

only!), block the manual vertical movement. At the same time, however, the clutch of

the vertical drive is activated for use with the handheld computer. When the telescope is

aligned with the celestial pole, the vertical clamp serves as a declination or DEC clamp

(theterm"declination"isexplainedinmoredetailonpage18).

Fig.Fig. 19 19

Fig.Fig. 18 18

Horizontal clamping

Vertical clamping

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