Class 1 Laser product. Take adequate measures to protect the eyes and do
not view directly with optical instruments.
The caution icon indicates important information or warning related to the
concept discussed in the text. It might indicate the presence of a hazard
which could result in corruption of software or damage to equipment or
property.
The information icon alerts the reader of important facts and conditions.
The tip icon indicates advice on, for example, how to design your project
or how to use a certain function.
Although warning hazards are related to personal injury, it is necessary to understand that
under certain operational conditions, operation of damaged equipment may result in
degraded process performance leading to personal injury or death. It is important that the
user fully complies with all warning and cautionary notices.
1.4.2 Document conventions
• Abbreviations and acronyms in this manual are spelled out in the glossary. The
glossary also contains definitions of important terms.
• Push button navigation in the LHMI menu structure is presented by using the push
button icons.
For example, to navigate between the options, use
and .
• HMI menu paths are presented in bold.
For example, select Main menu/Settings.
• LHMI messages are shown in Courier font.
For example, to save the changes in non-volatile memory, select Yes and press
.
• Parameter names are shown in italics.
For example, the function can be enabled and disabled with the Operation setting.
• Each function block symbol shows the available input/output signal.
1MRK 506 369-UUS - Section 1
Introduction
Line distance protection REL670 2.2 ANSI 33
Application manual
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