Meade ETX-90 User Manual - Page 38

To perform a Landmark Survey

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ADVANCED FEATURES To Add a landmark to the database: In this procedure, you will store the location of terrestrial landmarks in AutoStar's memory. 1. Set the telescope in the home position, if necessary. Note for future reference where the telescope is located and if you have aligned the telescope, which alignment method is used. IMPORTANT NOTE: To use the Landmark function, the telescope must be located and aligned exactly as when the landmark) was added to the database. 2. Display the "Setup: Targets" menu option. Choose "Terrestrial" and press ENTER - "Setup: Targets" displays again. Choosing this option turns off tracking for astronomical objects and is not useful for the viewing of terrestrial objects such as those in the Landmark database. Be sure to change this option back to "Astronomical" when you wish to view celestial objects again. 3. Press MODE once. "Select Item: Setup" displays. 4. Press the Scroll Down key once and "Select Item: Object" displays. Press Enter. "Object: Solar System" displays. 5. Press the Scroll Up key twice and "Object: Landmarks" displays. Press ENTER. "Landmark: Select" displays. 6. Press the Scroll Down key once. "Landmark: Add" displays. Press ENTER. 7. "Landmark Name" displays. Using Arrow keys, enter a name for the landmark you wish to add to the database. When finished, press ENTER. 8. "Center Landmark. Press Enter" displays. Using only the Arrow keys (do not manually move the telescope), move the telescope to the desired landmark and center the object in the eyepiece. Press Enter. The object is now stored in memory. 9. "Landmark: Add" displays. If you wish to add more landmarks, repeat steps 5 through 7. To Select a landmark from the database: 1. Make sure the telescope is located and aligned exactly as when the desired landmark was entered into memory. 2. Display the "Landmark: Select" menu option. Press ENTER. 3. Use the Scroll keys to scroll through the list of objects you have previously entered. When the desired object displays, press ENTER to select the object. Use the Scroll keys to scroll through location information about the object, if desired. Press GO TO to slew the telescope to the landmark. 4. Press MODE to exit. To perform a Landmark Survey This procedure allows you to perform a tour of the objects entered in the "Object: Landmark" menu option - note that the Landmark Survey will function only if you have previously entered objects in the Landmark menu. 1. Navigate to "Utilities: Landmark Survey" menu and press ENTER. 2. "Landmark Survey: Slewing..." displays. The telescope moves to the first object on the Survey list and displays the name of the object. 3. Press MODE to pause the Survey. Press Enter to restart the survey at the first object of the survey. To check on the available amount of memory in AutoStar. AutoStar has a limited amount of memory. Once you begin to store Landmarks, User Objects and other bits of information in AutoStar, you will begin to use up memory. This procedure allows you to check on how much memory is still available. 1. Navigate to the "Setup: Statistics" menu option and press ENTER. 2. "Statistics: 97.4K Char. Free" displays. This is the amount of memory that is still available to the user. 38

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To Add a landmark to the database:
In this procedure, you will store the location of terrestrial
landmarks in AutoStar’s memory.
1. Set the telescope in the home position, if
necessary. Note for future reference where the
telescope is located and if you have aligned the
telescope, which alignment method is used.
IMPORTANT NOTE:
To use the Landmark
function, the telescope must be located and
aligned exactly as when the landmark) was
added to the database.
2. Display the “Setup: Targets” menu option.
Choose “Terrestrial” and press ENTER – “Setup:
Targets” displays again. Choosing this option
turns off tracking for astronomical objects and
is not useful for the viewing of terrestrial objects
such as those in the Landmark database. Be
sure to change this option back to “Astronomical”
when you wish to view celestial objects again.
3. Press MODE once. “Select Item: Setup”
displays.
4. Press the Scroll Down key once and “Select
Item: Object” displays. Press Enter. “Object:
Solar System” displays.
5. Press the Scroll Up key twice and “Object:
Landmarks”
displays.
Press
ENTER.
“Landmark: Select” displays.
6. Press the Scroll Down key once. “Landmark:
Add” displays. Press ENTER.
7. “Landmark Name” displays. Using Arrow
keys, enter a name for the landmark you
wish to add to the database. When finished,
press ENTER.
8. “Center Landmark. Press Enter” displays.
Using only the Arrow keys (do not manually
move the telescope), move the telescope to
the desired landmark and center the object in
the eyepiece. Press Enter. The object is now
stored in memory.
9. “Landmark: Add” displays. If you wish to add
more landmarks, repeat steps 5 through 7.
To Select a landmark from the database:
1. Make sure the telescope is located and aligned
exactly as when the desired landmark was
entered into memory.
2. Display the “Landmark: Select” menu option.
Press ENTER.
3. Use the Scroll keys to scroll through the list
of objects you have previously entered. When
the desired object displays, press ENTER to
select the object. Use the Scroll keys to scroll
through location information about the object, if
desired. Press GO TO to slew the telescope to
the landmark.
4. Press MODE to exit.
To perform a Landmark Survey
This procedure allows you to perform a tour of the
objects entered in the “Object: Landmark” menu
option – note that the Landmark Survey will function
only if you have previously entered objects in the
Landmark menu.
1. Navigate to “Utilities: Landmark Survey” menu
and press ENTER.
2. “Landmark Survey: Slewing...” displays. The
telescope moves to the first object on the Survey
list and displays the name of the object.
3. Press MODE to pause the Survey. Press
Enter to restart the survey at the first object of
the survey.
To check on the available amount of memory in
AutoStar.
AutoStar has a limited amount of memory. Once you
begin to store Landmarks, User Objects and other bits
of information in AutoStar, you will begin to use up
memory. This procedure allows you to check on how
much memory is still available.
1. Navigate to the “Setup: Statistics” menu option
and press ENTER.
2. “Statistics: 97.4K Char. Free” displays. This is
the amount of memory that is still available to
the user.
ADVANCED FEATURES
3µ