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User Objects allows the user to define deep-sky objects of interest
that are not currently in the AudioStar database.
Landmarks stores terrestrial points of interest. To enter a new
landmark the telescope must be located and aligned exactly
as when other landmarks were entered. "Sync" on a reference
landmark, then move the telescope to the new landmark and enter
it into the AudioStar database.
Identify is used when an object is placed in the telescope eyepiece
and AudioStar identifies the object being observed.
B.
Event Menu Options
The "Select Item: Event" menu provides access to dates and times
of astronomical events. Included are:
Sunrise and Sunset displays the time that the Sun rises or
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sets on the current date.
Moonrise and Moonset displays the time that the Moon rises
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or sets on the current date.
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Moon Phases displays the date and time of Full, New, 1st Qtr.,
and 3rd Qtr. Moon.
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Meteor Showers provides information about upcoming meteor
showers, including dates of the shower and when it is
scheduled to reach maximum.
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Solar Eclipse lists upcoming Solar Eclipses, including the date
and type of eclipse along with the location and time of the first
and last contacts of the lunar shadow across the Earth.
Lunar Eclipse lists upcoming Lunar Eclipses.
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Min. (Minimum) of Algol is the minimum brightness of the
eclipsing binary star system, Algol. Every 2.8 days during a 10
hour period, Algol undergoes a major change in magnitude as
one of the two stars passes behind the other. The combined
magnitude of the two stars dips from +2.1 to a minimum of +3.4
halfway through the eclipse as the second star is hidden.
Autumn and Vernal Equinox calculates fall or spring equinox.
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Winter and Summer Solstice calculates the winter or summer
solstice for the current year.
C.
Glossary Menu Options
The "Select Item: Glossary" menu provides an alphabetical listing
of definitions and descriptions for common astronomical terms
and AudioStar functions. Press ENTER to access the Glossary
database. Use the SCROLL keys to scroll through the alphabet.
Press ENTER on the desired letter. Scroll to the desired entry, then
press ENTER to read the description.
D.
Utilities Menu Options
The "Select Item: Utilities" menu provides access to several extra
features within AudioStar, including a countdown timer and an
alarm. Specific Utilities options include:
Timer selects a countdown timer. This feature is useful for things
such as astrophotography and in tracking satellites. To use the
Timer, press ENTER, then choose "Set" or "Start/Stop."
Alarm selects a time for an alarm signal as a reminder function.
To use the Alarm, press ENTER, then choose "Set" or "Start/Stop."
Eyepiece Calc calculates information about an eyepiece and how it
functions for the specific telescope to which AudioStar is connected.
Brightness Adj uses the scroll keys to adjust the brightness of the
screen. When complete, press ENTER.
Contrast Adj uses the scroll keys to adjust the contrast of the
screen. This feature is usually only required in very cold weather.
When complete, press ENTER.
Battery Alarm sounds when the batteries are nearing replacement.
If not desired, press the scroll key to change the screen from YES to
NO. Press ENTER and the beep no longer sounds.
Landmark Survey automatically moves the telescope to all user-
defined landmarks with a pause at each location. Use the ARROW
keys to manually locate the first landmark. Press and hold ENTER
for 2 seconds; the message "ENTER to Sync." appears. Press
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