Meade DS-2102 Instruction Manual download pdf (Page 16)

N Quiet Slew: Sets the maximum slew rate to 1.5° for quieter operation.

N Max Ele

vation

Allows you to enter a value in degrees that sets a limit as to how far the

optical tube can swing upward during a programmed slew. (Note that it does not prevent

you from performing a manual slew past this limit.) This is

useful when you have a camera or other peripheral attached to the telescope—you can

prevent it from striking the telescope base.

N Min AOS (Acquisition of Signal): Allows you enter a value in degrees. This value repre-

sents the altitude at which your telescope begins to slew when

acquiring a satellite track. This is useful when you are observing satellites, but a tall tree or

building is obstructing the telescope. For example, you might begin to track the satellite at

° altitude, instead of 5°.

N Calibrate Motor: If the telescope motors appear to have a problem, use this option to

retest the motors before performing a Reset. This option is also used if an AutoStar unit is

moved between telescopes, to match AutoStar to the new telescope. To calibrate the

motors, select this option and press ENTER.

N High Precision: If High Precision is turned on, when looking for a faint celestial object (i.e.,

a neb

ula or galaxy), AutoStar first slews to a nearby bright star and displays "ENTER to

Sync." Center the star in the eyepiece, then press ENTER. At that point the telescope has

a high precision alignment to that part of the sky and it then slews to the object that was

originally requested.

Targets switches between Astronomical targets and Terrestrial targets. If "Astronomical" is

selected, the telescope tracking motor is activated and any object you observe will remain cen-

tered in the eyepiece. If "Terrestrial" is selected, the tracking motor is turned off.

Site provides access to several options including:

N Select: Displays the currently selected observing site. Use the Scroll keys to cycle through

all available sites (see

ADD below). Press ENTER when the site you wish to select displays.

Use this option when you move to a different geographic location.

N Add: Allows you to add new observing sites to the database (up to six sites may be stored).

Scroll through the list of Countries/States. Press ENTER when the site you wish to add dis-

plays. Then choose the desired city in the same manner.

N Delete: Deletes a stored site from the database.

N Edit: Edits a selected site, including: the name, latitude, longitude, and time zone. Time

Zone refers to the Greenwich Mean Time (GMT) time zone shift. Users West of Greenwich,

England use “-” hours, East of Greenwich use “+” hours. For the United States, look up the

time zone shift in

Table 1.

Download transfers information from a personal computer or another AutoStar. During the

operation, the warning “Downloading Do Not Turn Off” appears.

TE:

The Do

wnload function requires the optional #505 Astrofinder Softw

are and

Cab

le Connector Kit. See the instruction sheet included with the kit for more infor-

mation on how to download. See the Meade General Catalog or go to

www.meade.com for more information.

Statistics provides basic statistical data about AutoStar, including:

N Characters Free: Shows how much room is available in user-defined object memory.

N Version: Shows the current version of the AutoStar software.

Reset completely resets AutoStar. Most values entered into the menus revert to factory defaults.

AutoStar requires initialization again after a Reset before proceeding with observations.

Using AutoStar to Find Objects Not in the Database

Although AutoStar contains a database of more than 30,000 celestial objects (stars, nebulae,

planets, etc.) that you can observe, you may eventually want to view objects that are not part

of the database. AutoStar provides a feature that allows you to enter an object's R.A (Right

Ascension) and Dec. (Declination) coordinates in the "User: Objects" option of the Object menu

Time Zone Shift

Atlantic -4 Hours

Eastern -5 Hours

Centr

al -6 Hours

Mountain -7 Hours

Pacific -8 Hours

Hawaii -10 Hours

Table 1: Time Zone Shift.

1 2 ... 11 12 13 14 15 16 17 18 19 20

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Meade DS-2102 Instruction Manual Page 16

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