Bedienungsanleitung Meade ETX-105AT (Seite 39 von 60) (Englisch)

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This menu allows you to search the database for objects with certain parameters,

much like a search engine. The "Edit Parameters" option lets you set various

parameters for the search and "Start Search" activates the search. A typical search

might be performed as follows:

1. Select "Browse" from the Object menu. Press ENTER. "Browse: Start Search"

displays.

2. Press one of the Scroll Keys and "Browse: Edit Parameters" displays. Press

ENTER.

3. "Edit Parameters: Largest (mins)" displays. "Mins" stands for arc-minutes. Press

ENTER.

4. "Largest (mins)" and a value displays. Using the Number keys, enter a size in

arc-minutes. Autostar will search for objects

up to this size and no larger. Press

ENTER.

5. "Edit Parameters: Largest (mins)" displays again. Press the Scroll Down key.

"Edit Parameters: Smallest (mins)" displays. Enter the value for the smallest size

of an object that Autostar will search for in the database. Continue with

"Brightest," Faintest," and "Minimum Elevation," using the procedure described in

steps 3 and 4.

6. After "Minimum Elevation," "Object Type" displays. Press ENTER." "+Black Hole"

displays.If you do

not wish to have "Black Holes" in your search, press ENTER

and the "+" changes to a "–." Press the Scroll Down to scroll to the next item.

"+Diffuse Nebula" displays. Continue to scroll through the list and press ENTER

if you wish to change the "+" to a "–" or vice-versa.

7. After you have scrolled to the last item on the "Object Type" list, press MODE

twice and the Scroll Down key once. "Browse: Start Search" displays. Press

ENTER. "Start Search: Next" displays. Press ENTER. Autostar searches the

database and displays the first object that matches the search parameters you

have entered. Use the scroll keys to display information about the object. Press

MODE and "Start Search: Next" displays again. Press ENTER and the next item

matching the parameters displays. Repeat this procedure to display all the

objects.

8. Press MODE repeatedly to leave this menu.

ETX TIPS

Observing Considerations

• Try to pick an observing site away from street and house lights and car

headlights. While this is not always possible, the darker the site, the better.

• Give your eyes about ten minutes to adjust to the darkness before observing.

Give your eyes a rest from observing every ten or fifteen minutes to relieve

eyestrain.

• Try not to use a standard flashlight. Experienced observers use red LED

flashlights, the red utility light on the Autostar handbox or tape red cellophane

over their flashlights to use for setup and map reading so they don’t have to

continually readjust their eyes to the darkness. Be careful not to shine bright

lights if there are other observers in the area. Do not shine a flashlight into the

telescope while someone is observing!

• Dress warmly. It gets chilly when you’re sitting for prolonged periods.

• Practice setting up your equipment during the day or in a lighted area to

become familiar with it before going to a dark site.

• Use your 26mm eyepiece to view terrestrial objects and wider areas of space,

such as open star clusters. Use optional higher power eyepieces, such as a

9mm eyepiece (see

OPTIONAL ACCESSORIES, page 43 for more details), when

you wish to view something up close, such as craters on the Moon or the rings

of Saturn.

• Bring your instructions manual along with you when you observe. Become

familiar with its layout, so it will be easier for you to look up information with

just a (red) flashlight.

• Invite your friends and family to come and observe with you. But practice

locating 3 or 4 objects to show them beforehand; if you have long delays, they

will become bored and lose interest. Also, demonstrate how to focus the

telescope in a well-lit area before you go to to the observing site.

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