Miller Electric XLix - Manual (Page 7)

Page 5
Sensitivity/Grind Mode Control (Auto-On Lens Assembly)
Sensitivity Control (Manual-On Lens Assembly)
The sensitivity control is used to make the lens more responsive to differing
light levels experienced in various welding processes. We recommend a
Mid-Range or 30−50% sensitivity setting for most applications. See Ad-
justing Sensitivity and Recommended Sensitivity Settings sections following.
Adjusting Sensitivity
It may be necessary to adjust helmet sensitivity to accommodate different
lighting conditions or if lens is flashing On and Off. Adjust helmet sensitivity
as follows:
.
Adjust helmet sensitivity in lighting conditions helmet will be used in.
1 Turn sensitivity control to lowest setting.
2 Press Reset button (Auto-On Lens) or On/Off button (Manual-On Lens)
to turn helmet On. Helmet lens will darken twice and then clear.
3 Face the helmet in the direction of use, exposing it to the surrounding light
conditions.
4 Gradually turn sensitivity setting clockwise until the lens darkens, then
turn sensitivity control counterclockwise until slightly past setting where
lens clears. Helmet is ready for use. Slight readjustment may be neces-
sary for certain applications or if lens is flashing on and off.
Using Grind Mode (Auto-On Lens)
To use the Grind mode, turn the Sensitivity control clockwise to the far right
position (Grind). To resume welding, return the control to the desired sensitiv-
ity setting.
.
Do not weld in the Grind mode; the lens will not darken.
Recommended Sensitivity Settings
Stick Electrode Mid-Range
Short Circuiting (MIG) Low/Mid-Range
Pulsed & Spray (MIG) Mid-Range
Gas Tungsten Arc (TIG) Mid/High-Range
Plasma Arc Cutting/Welding Low/Mid-Range
Grind Mode Grind Position − Far Right (Clockwise)