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(2) "Wire diameter" button
For selecting the wire diameter to be used. Welding parameter SP is reserved for 
additional wire diameters.
When a wire diameter is selected, the LED behind the relevant wire diameter lights 
up.
(3) "Shielding gas" button
For selecting the shielding gas to be used. Welding parameter SP is reserved for 
additional shielding gases.
When a shielding gas is selected, the LED behind the relevant shielding gas lights 
up.
Keylock A keylock can be selected to prevent the settings from being inadvertently changed on the 
control panel. As long as the keylock is active
- no settings can be made on the control panel
- only parameter settings can be retrieved
- any assigned "Save" button can be retrieved provided that an assigned "Save" button 
was selected when the keylock was enabled
Activate/deactivate the keylock as follows:
Keylock activated:
The message "CLO | SEd" appears on the displays.
Keylock deactivated:
The message "OP | En" appears on the displays.
Service parame-
ters
Various service parameters can be retrieved by pressing the "Parameter selection" buttons 
at the same time.
Opening the display
The first parameter ("Firmware version") is displayed, e.g. "1.00 | 4.21"
Selecting parameters
Press and hold the "Mode" button
Press the "Parameter selection" button (right)
Release the "Mode" and "Parameter Selection" buttons
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2
3
Press and hold the "Parameter selection" button (left)
Press the "Parameter selection" button (right)
Release the "Parameter selection" buttons
Select the required setup parameter using the "Mode" and "Pro-
cess" buttons or the left-hand adjusting dial
1
2
3
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