User guide
Altera Corporation    Info–iii
Preliminary
Additional Information 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
A caution calls attention to a condition or possible situation that can damage or 
destroy the product or the user’s work.
w
A warning calls attention to a condition or possible situation that can cause injury 
to the user.
r  The angled arrow indicates you should press the Enter key.
f  The feet direct you to more information on a particular topic. 
Visual Cue Meaning










