Use this menu selection to save your current viewing location. Future program startups will begin at this location. Location data includes the current daylight saving time (DST) setting.
Use this menu selection to save your current preferences. Future program startups will begin with these preferences.
Preferences include:
Use this menu selection to save the current window size and position on your monitor.
Use this menu selection to display messages generated by Night Vision. Generally these are errors found while reading user-modifiable files during startup. This selection is disabled if no messages are available.
Use this menu selection to print a star chart.
Use this menu selection to exit Night Vision.
Use this menu selection to set viewing location. Any location in the location database, or any longitude/latitude coordinates, can be selected. (The location database can be edited to user's preferences.)
Use this menu selection to set star parameters, such as limiting magnitude and star size.
Use this menu selection to set fonts for various types of objects.
Use this menu selection to set the colors used on screen and by a color printer.
Use this menu selection to control the display of the information window and scrollbars within the main window.
Use this menu selection to select objects to view, such as planets and deep sky objects.
Use this menu selection to find various objects:
Use these menu selections to control direction of view.
With the following selections only the azimuth is affected:
Use this menu selection to zoom in.
Use this menu selection to zoom out.
When the view is changed, either through a change in direction (alt/az) and/or a change in zoom level, the previous view is saved. Use this menu selection to return to the previous view.
When the zoom level is changed, the previous view is saved. Use this menu selection to return to the view before the zoom level was changed.
This option allows the user to zoom into an area, then move around within this zoom level (perhaps to adjust the direction before printing), and then return to the pre-zoomed view.
Use this menu selection to set the date and time to any point from 1000AD through 3000AD.
Use this menu selection to freeze time (i.e. time does not progress).
Use this menu selection to thaw time (i.e. allow time to progress).
Use this menu selection to set display update interval and time speed.