User guide

Additional Information Info–3
Typographic Conventions
January 2013 Altera Corporation Video and Image Processing Suite
User Guide
italic type
Indicates variables. For example, n + 1.
Variable names are enclosed in angle brackets (< >). For example, <file name> and
<project name>.pof file.
Initial Capital Letters
Indicate keyboard keys and menu names. For example, the Delete key and the
Options menu.
“Subheading Title”
Quotation marks indicate references to sections in a document and titles of
Quartus II Help topics. For example, “Typographic Conventions.”
Courier type
Indicates signal, port, register, bit, block, and primitive names. For example, data1 ,
tdi , and input . The suffix n denotes an active-low signal. For example, resetn .
Indicates command line commands and anything that must be typed exactly as it
appears. For example,
c:\qdesigns\tutorial\chiptrip.gdf .
Also indicates sections of an actual file, such as a Report File, references to parts of
files (for example, the AHDL keyword
SUBDESIGN ), and logic function names (for
example,
TRI ).
r An angled arrow instructs you to press the Enter key.
1., 2., 3., and
a., b., c., and so on
Numbered steps indicate a list of items when the sequence of the items is important,
such as the steps listed in a procedure.
■ ■ ■ Bullets indicate a list of items when the sequence of the items is not important.
1 The hand points to information that requires special attention.
h The question mark directs you to a software help system with related information.
f The feet direct you to another document or website with related information.
m The multimedia icon directs you to a related multimedia presentation.
c
A caution calls attention to a condition or possible situation that can damage or
destroy the product or your work.
w
A warning calls attention to a condition or possible situation that can cause you
injury.
The envelope links to the Email Subscription Management Center page of the Altera
website, where you can sign up to receive update notifications for Altera documents.
The feedback icon allows you to submit feedback to Altera about the document.
Methods for collecting feedback vary as appropriate for each document.
Visual Cue Meaning