To help you understand the material in the HST Data Handbook, we will use a few consistent typographic conventions.
Visual Cues
The following typographic cues are used:
- bold words identify a STSDAS or IRAF task or package name.
- typewriter-like words identify a file name, system command, or response that is typed or displayed as shown.
- italic type indicates a new term, an important point, or a mathematical -variable.
- ALL CAPS identifies a header keyword or a table column.
Keystrokes
Keystroke commands and sequences are identified by the following formats.
- When two keys are linked by a dash, both keys should be pressed at the same time.
- When a space separates two keys, a sequence is indicated. Press one key, release it, then press the other.
- Press only the key. If we meant that you should press shift with the key, we would say so, such as in the first example, above.
Comments
Occasional side comments point out three types of information, each identified by an icon in the left margin.Tip: No problems...just another way to do something or a suggestion that might make your life easier.
Heads Up: Here is something that is often done incorrectly or that is not obvious.
Warning: You could corrupt data, produce incorrect results, or create some other kind of severe problem.
Copyright © 1997, Association of Universities for Research in Astronomy. All rights reserved.
Last updated: 01/14/98 14:25:36