Auto-Darkening Helmet User’s Manual 1. BEFORE WELDING Auto-Darkening welding helmet is designed to protect the welders’ eyes from harmful radiation including visible light, ultraviolet radiation (UV) and infra-red radiation (IR) resulting from certain arc and gas welding processes when used in accordance with these User Instructions.
Auto-Darkening Helmet User’s Manual 3. STORAGE AND MAINTENANCE When not in use, the filter should be stored in a dry place within the temperature range of -20ºC to +70ºC. Prolonged exposure at temperature above 45ºC may decrease the battery lifetime of the filter. It is recommended to keep the solar cells of the filter in the dark or not exposed to light during storage in order to maintain power down mode.
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Auto-Darkening Helmet User’s Manual 4. ADJUSTING HEADGEAR (FOUR PARTS) 4-1. Headgear Top (See adjustment “W”in Fig. 4) Adjusting headgear for proper depth on the head to ensure correct balance and stability. 4-2. Headgear Tightness (See adjustment “Y”in Fig.4) Pressing the adjusting knob located on the back of the headgear and turn left or right to a desired tightness.
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Auto-Darkening Helmet User’s Manual 5. AUTO-DARKENING FILTER FUNCTIONS 5-1. Selecting the Operating Mode For some filters, two modes of operation can be selected: welding or grinding. (See Fig. 3) Grind Mode: Used for metal grinding applications. In this mode the shade function is turned off.
Auto-Darkening Helmet User’s Manual 5-4. Selecting Sensitivity The sensitivity can be set at “HI” (High) or “LO” (Low) by using the infinitely dial knob. (See Fig. 7). As a simple rule for optimum performance, it is recommended to set sensitivity at the High at the beginning and then gradually reduce it, until the filter reacts only to the welding light flashes and without annoying spurious triggering due to ambient light conditions (direct sun, intensive artificial light, neighboring welder’s arcs, etc.)
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Auto-Darkening Helmet User’s Manual 5. COMMON PROBLEMS AND REMEDIES Irregular Darkening Dimming Headgear has been set unevenly and there is an uneven distance from the eyes to the filter lens. (Reset the headband to reduce the difference to the filter). The Filter Does Not Darken or Flickers 1.
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