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4T: Pressing the trigger (1) starts the Pregas, and releasing the trigger (2) ignites the arc. Pressing the trigger again
(3) switch the arc off. Releasing the trigger (4) ends the Postgas.
Figure: 4T trigger logic
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WP Switch: The WP Switch trigger logic is similar to the 4T logic, but it includes a secondary welding power selec-
tion. When the arc is ignited, you can change between two pre-adjusted power levels.
Pressing the trigger (1) starts the Pregas, and releasing the trigger (2) ignites the arc. During the welding, pressing the
trigger briefly (for less than 0.5 seconds) (3 and 5) and releasing (4 and 6) it changes the current level. Pressing the trig-
ger long again (7) switches the arc off. Releasing the trigger (8) ends the Postgas.
Figure: WP Switch trigger logic
Start and stop functions
Touch Sense Ignition
Touch Sense Ignition delivers minimum spatter and stabilizes the arc immediately after ignition.
To set Touch Sense Ignition ON or OFF with Control Pad, go to Settings > Start and stop logic > Touch Sense Igni-
tion.
Upslope
The UpSlope function gradually increases the welding power / wire feed speed up to the desired level. The user sets the
function ON/OFF and sets the initial value for the Upslope power / wire feed speed.
To adjust Upslope, with Control Pad, go to Settings > Start and stop logic > Upslope. When you select ON, the
options for adjusting Time and Level appear on the screen.
Hot start
When you use the Hot start function, welding starts with parameter values that are different from the values used for the
rest of the welding job. The Hot start function values are automatically set to the normal welding values after a pre-
© Kemppi
101
X8 MIG Welder
Operating manual - EN
1902370 / 2324
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