Typographic conventions – Altera Stratix II GX PCI Express Development Board User Manual
Page 6
vi
Altera
Corporation
Preliminary
August 2006
Typographic Conventions
Cyclone FPGA Device Handbook
Typographic
Conventions
This document uses the typographic conventions shown below.
Visual Cue
Meaning
Bold Type with Initial
Capital Letters
Command names, dialog box titles, checkbox options, and dialog box options are
shown in bold, initial capital letters. Example: Save As dialog box.
bold type
External timing parameters, directory names, project names, disk drive names,
filenames, filename extensions, and software utility names are shown in bold
type. Examples: f
MAX
, \qdesigns directory, d: drive, chiptrip.gdf file.
Italic Type with Initial Capital
Letters
Document titles are shown in italic type with initial capital letters. Example: AN 75:
High-Speed Board Design.
Italic type
Internal timing parameters and variables are shown in italic type.
Examples: t
PIA
, n + 1.
Variable names are enclosed in angle brackets (< >) and shown in italic type.
Example:
Initial Capital Letters
Keyboard keys and menu names are shown with initial capital letters. Examples:
Delete key, the Options menu.
“Subheading Title”
References to sections within a document and titles of on-line help topics are
shown in quotation marks. Example: “Typographic Conventions.”
Courier type
Signal and port names are shown in lowercase Courier type. Examples:
data1
,
tdi
,
input.
Active-low signals are denoted by suffix
n
, e.g.,
resetn
.
Anything that must be typed exactly as it appears is shown in Courier type. For
example:
c:\qdesigns\tutorial\chiptrip.gdf
. Also, sections of an
actual file, such as a Report File, references to parts of files (e.g., the AHDL
keyword
SUBDESIGN
), as well as logic function names (e.g.,
TRI
) are shown in
Courier.
1., 2., 3., and
a., b., c., etc.
Numbered steps are used in a list of items when the sequence of the items is
important, such as the steps listed in a procedure.
■
●
•
Bullets are used in a list of items when the sequence of the items is not important.
v
The checkmark indicates a procedure that consists of one step only.
1
The hand points to information that requires special attention.
c
The caution indicates required information that needs special consideration and
understanding and should be read prior to starting or continuing with the
procedure or process.
w
The warning indicates information that should be read prior to starting or
continuing the procedure or processes
r
The angled arrow indicates you should press the Enter key.
f
The feet direct you to more information on a particular topic.