1.1 Warning and Information Symbols Chapter 1: Introduction
12 493-0736-11 (6-2)
Appendix F, Special Modes, contains details of operating modes where you can
update the software or reset all the parameters in the configuration to their default
settings
• Installation and maintenance personnel should read chapters 3, 4 and 5 of this
manual.
• Technicians who are authorised to determine the installation functions and
configuration should read Chapter 2 of this manual.
Autotuner patents:
Sweden 8104989-2, Canada 1 205 511, Finland 71435, USA 4 549 123, Denmark
159343, Norway 160632.
1.1 Warning and Information Symbols
Warning and information symbols appear in the left margin adjacent to
paragraphs containing important information.
The symbols should be interpreted as follows:
• A warning sign denotes a danger of injury to personnel or that caution is
required to avoid damage to the equipment.
•A sign for mandatory action denotes steps necessary to bring the equipment
into operation but without immediate safety implications.
• A sign indicating important information.
1.2 Process Safety
Read the safety and environmental instructions provided by the supplier of the
machinery or process equipment controlled by the ECA controller. Pay special
attention to situations in which the mains supply is switched on or off, units are
fitted or removed, cables are connected or disconnected, and units are reset or
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