Bedienungsanleitung Celestron CGEM DX (Seite 10 von 38) (Englisch)

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TwoStarAlign uses the entered time/location information and

allows the user to select which two alignment stars the telescope

will automatically slew to. One Star Align uses the same time/

location information but only uses one star for alignment. Solar

System Align will display a list of visible daytime objects (planets

and the moon) available to align the telescope. Quick-Align

will ask you to input all the same information as you would for

the Auto Align procedure. However, instead of slewing to the

alignment stars for centering and alignment, the telescope

bypasses this step and simply models the sky based on the

information given. Finally, Last Alignment restores your last saved

star alignment and switch position. Last Alignment also serves

as a good safeguard in case the telescope should lose power.

Startup proCEDurE

Before any of the described alignments are performed, the

telescope mount needs to be positioned so that the index

marks are aligned on both the right ascension and declination

axes. (see Fig 3-2).

Once the index position has been set, the hand control will

display the last entered date and time information stored in the

hand control.

1. Press ENTER to begin the alignment process.

2. The hand control will ask the user to set the mount to its

index position. Move the telescope mount, either manually or

with the hand control, so that the index marked in both R.A.

and Dec are aligned (see Fig 3-2). Press Enter to continue.

• Thehandcontrolwillthendisplaythelastenteredlocal

time, time zone and date.

• UsetheUp/Downkeys(10)toviewthecurrent

parameters.

• PressENTERtoacceptthecurrentparameters.

• PressUNDOtoentercurrentdate,timeandlocation

information into the hand control. The following

information will be displayed:

Location — The hand control will display a list of cities to

choose from. Choose the city from the database that is closest

to your current observing site. The city you choose will be

remembered in the hand controls memory so that it will be

automatically displayed the next time an alignment is done.

Alternatively, if you know the exact longitude and latitude of

your observing site, it can be entered directly into the hand

control and remembered for future use as well. To choose a

location city:

• UsetheUpandDownscrollkeystochoosebetween

City Database and Custom Site. City Database will

allow you to select the closest city to your observing

site from a list of either international or U.S. location.

Custom Site allows you to enter the exact longitude

and latitude of your observing site. Select City

Database

and press ENTER.

• Thehandcontrolwillallowyoutochoosefromeither

U.S. or international locations. For a listing of U.S.

locations by state and then by city, press ENTER while

United States

is displayed. For international

locations, use the Up or Down scroll key to select

International

and press ENTER.

• UsetheUpandDownScrollbuttonstochooseyour

current state (or country if International locations was

selected) from the alphabetical listing and press ENTER.

• UsetheUpandDownScrollbuttonstochoosethe

closest city to your location from the displayed list and

press ENTER.

Time — Enter the current local time for your area. You can

enter either the local time (i.e. 08:00), or you can enter

military time (i.e. 20:00 ).

• SelectPMorAM.Ifmilitarytimewasentered,thehand

control will bypass this step.

• ChoosebetweenStandardtimeorDaylightSavings

time. Use the Up and Down scroll buttons (10) to toggle

between options.

• Selectthetimezonethatyouareobservingfrom.

Again, use the Up and Down buttons (10) to scroll

through the choices. Refer to Time Zone map in

Appendix for more information.

Date — Enter the month, day and year of your

observing session.

Updating Your Location — Since you may not need to

update your observing location as often as the date and

time, it is not displayed each time you update the date

and time. To update your city, press UNDO at any time

when updating your date and time. Continue to press

UNDO to change the state, country or to add longitude/

latitude coordinates.

Select one of the alignment methods as described below.

Note: If incorrect information is entered into the hand

control, the UNDO button acts like a back space button

allowing the user to re-enter the correct data.

tWo Star aliGn

Two-Star Align allows the user to select two stars on which to

align the telescope. To align your telescope using the Two-Star

Align method:

1. Select Two-Star Align from the alignment choices given.

Based on the date and time information entered, the hand

control will automatically select and display a bright star that

is above the horizon.

• PressENTERtoselectthisstarasyourrst

alignment star.

• Ifforsomereasonthechosenstarisnotvisible(perhaps

behind a tree or building) press UNDO to have the hand

control automatically select the next brightest star.

• OryoucanusetheUp/Downkeystobrowsetheentire

Named Star list and select any one of over two hundred

alignment stars.

Figure 3-2 - DeClination inDeX Marks

anD right asCension (ra) inDeX Marks

Index

Marks

Celestron CGEM DX Seite 10

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