Agilent Technologies aurora Duet User Manual page 17

Introduction
Text that applies to both modes is not labeled.
Where there are differences between SIMULATE and
MONITOR modes, this is indicated by the following
symbols:
The aurora Duet hand held ISDN basic and primary rate
tester currently meets the requirements for basic and
primary rate implementation of the National ISDN,
AT&T and Northern Telecom protocols. All screens and
information in the Guide relate to the National ISDN
protocol unless otherwise indicated.
Differences between the protocols are denoted, where
appropriate, by the symbols:
Text that applies to all protocols is not labeled.
Text that does not apply to one particular protocol is
indicated by a line through the protocol symbol. For
example, if a feature is relevant to National ISDN and
Northern Telecom but not to AT&T, this is shown as
follows:
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