Digitalis Digitarium Alpha User Manual page 14

Portable digital planetarium projector
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1. Set location
1.1 Latitude: Use + for north and – for south.
1.2 Longitude: Use + for east, - for west.
1.3 Altitude: In meters.
2. Set time
2.1 Sky time: Set your sky for a different time.
2.2 Set time zone: Select continent, then city in your time zone.
These account for daylight savings, if any. Be sure to update the
time zone if you change longitude, or the time will not correspond
to the sky.
2.3 Preset sky time: Only used if startup time is set to " preset."
2.4 Sky time at start-up: Use the actual clock time when you start
up, or use a preset time you have chosen.
2.5 Time display format: 12 or 24 hour format.
2.6 Date display format: Choose between system default;
yyyy/mm/dd; dd/mm/yyyy; and mm/dd/yyyy.
3. General
3.1 Sky culture: Select culture for constellations.
3.2 Sky language: Select language for star, planet, and
constellation labels.
4. Stars
4.1 Show: Display or hide the stars.
4.2 Star magnitude multiplier: Modify brightness of stars to make
more or fewer visible. 1 is the minimum; 30 is the maximum.
4.3 Maximum magnitude to label: Increase or decrease number of
stars labeled.
4.4 Twinkling: 0 equals no twinkle; 1 is the maximum.
5. Effects
5.1 Landscape: Change the projected landscape.
5.2 Manual zoom: Zoom in on selected object in small steps rather
than one large step.
5.3 Object sizing rule: To better display magnitude differences
between objects, you can choose to use more than one pixel per
star or planet in a full-sky view.
5.4 Magnitude sizing multiplier: When object sizing is based on
magnitude, this allows you to adjust the final size to your liking.
5.5 Milky Way intensity: Adjust the brightness of the Milky Way,
from 0 to 100. Default intensity is 1.
Digitarium Alpha User Manual 14

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