BlueRange UNL12 Manuale d'uso - Pagina 7

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• If protection against high speed particles at extremes of temperature is required, then the selected eye-

protector should be marked with the letter T immediately after the impact letter, i.e. FT, BT or AT. If the

impact letter is not followed by the letter T then the eye protector shall only be used against high speed

1. This Auto-Darkening filter welding helmet is not suitable for laser welding and Oxyacetylene welding.

2. Never place this Helmet and Auto-Darkening filter on a hot surface.

3. Never open or tamper with the Auto-Darkening filter.

4. Before operating, please make sure that the function-setting switch is set to the suitable location

("WELDING" / "GRINDING"). This Auto-darkening filter welding helmet will not protect against severe

impact hazards.

5. This helmet will not protect against explosive devices or corrosive liquids.

6. Do not make any modifications to either the filter or helmet, unless specified in this manual.

7. Should this helmet not darken upon striking an arc, stop welding immediately and contact us.

8. Do not immerse the filter in water.

9. Do not use any solvents on filters' screen or helmet components.

10. Use only at temperatures: -5°C ~ + 55°C (23°F ~ 131°F )

11. Storing temperature: - 20°C ~ +70°C (-4 °F ~ 158°F )

12. Protect filter from contact with liquid and dirt.

13. Clean filters' surfaces regularly; do not use strong cleaning solutions. Always keep sensors and solar

cells clean using a clean, lint-free tissue/cloth.

14. Regularly replace the cracked/scratched/pitted front cover lens.

7) Troubleshooting

Irregular Darkening or Dimming

• Headband has been set unevenly and there is an uneven distance from the eyes to the filter's lens (reset

headband to reduce the difference to filter)

Auto-Darkening Filter Does Not Darken Or Flickers

• Front cover lens is soiled or damaged (change lens cover)

• Sensors are soiled (clean the sensors surface)

• Welding current is too low (change the "SENSITIVITY" to "HIGH")

Slow Response

• Operating temperature is too low (do not use at temperatures below -5°C or 23°F)

Poor Vision

• Front/inside cover lens and/or filter lens are soiled (change lens)

• There is insufficient ambient light

• Shade number is incorrectly set (reset the shade number)

Welding Helmet Slips

• Headband is not adjusted properly (readjust headband)

WARNING

Operator must stop using the auto–darkening filter welding helmet immediately and

contact the supplier if the above-mentioned problems cannot be corrected.

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