Design and function
Access control
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099-000118-EW501
24.11.2017
5.17 Access control
These accessory components can be retrofitted as an option > see 9 chapter.
To protect against unauthorised or unintentional adjustment of the welding parameters on the machine,
the control input can be locked with the aid of a key switch.
Key position 1 =
All parameters can be set
Key position 0 =
Only the following operating elements are functional:
• “Operating mode” button
• “Welding parameter setting” rotary transducer
• “Display switching” button
• “TIG pulse welding” button
• “Select welding parameters” button
• “Gas test” button
