20
Upgrade and Maintenance Manual
BX920
S4
Introduction
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1.1
Notational conventions
The following notational conventions are used in this manual:
Text in italics
indicates commands or menu items
fixed font
indicates system output
semi-bold fixed
font
indicates text to be entered by the user
"Quotation marks"
indicate names of chapters and terms that are being
emphasized
Ê
describes activities that must be performed in the order
shown
[Abc]
indicates keys on the keyboard
V
CAUTION!
Pay particular attention to texts marked with this symbol!
Failure to observe this warning may endanger your life,
destroy the system or lead to the loss of data.
I
indicates additional information, notes and tips
indicates the procedure category in terms of complexity
and qualification requirements, see
indicates the average task duration, see