GYS TECHNO 11 TRUE COLOR - Welding mask

TECHNO 11 TRUE COLOR - Welding mask GYS - Free user manual and instructions

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Manufacturer reference064997
Optical technologyTRUE COLOR LCD
Light shade (passive state)DIN 3
Dark shade (active state)DIN 11 (fixed)
Darkening time0.6 ms
Light to dark time0.35 s
Optical classification1/1/1/1 (EN 379)
UV/IR protectionDIN 15 permanently
Number of sensors2
Field of view98 x 35 mm
Power supplySolar (without battery)
MMA process10-150 A
TIG process10-175 A
MIG-MAG process10-200 A
StandardsEN 175B / EN 166 / EN 379
Weight396 g
Replacement outer glass110 x 90 mm - ref. 040816
Replacement inner glass102 x 40 mm - ref. 040830

Frequently Asked Questions - TECHNO 11 TRUE COLOR GYS

What is TRUE COLOR technology and what advantage does it offer?
TRUE COLOR technology reproduces colors with a fidelity close to natural vision, without the greenish or yellowish tint of traditional LCD filters. It reduces eye strain and allows better distinction of the weld pool, welds, and work environment.
Is the dark shade of this mask adjustable?
No, the dark shade of the TECHNO 11 TRUE COLOR is fixed at DIN 11. This setting is suitable for MMA processes up to 150 A, TIG up to 175 A, and MIG-MAG up to 200 A. The shade in passive state (ambient light) is DIN 3.
Are batteries needed to power this mask?
No, the power supply is entirely solar. A photovoltaic cell recharged by ambient or artificial light is sufficient to operate the LCD filter. No battery replacement is necessary.
What is the switching speed of the LCD filter?
The filter darkens in 0.6 ms upon detection of the electric arc, instantly protecting the eyes from UV and infrared radiation. The return to the clear state occurs in 0.35 s after the arc is extinguished.
With which welding processes is this mask compatible?
The TECHNO 11 TRUE COLOR is designed for:
  • MMA from 10 to 150 A
  • TIG from 10 to 175 A
  • MIG-MAG from 10 to 200 A
It is not intended for plasma welding or high-power laser applications.
How do I replace the protective lenses?
The mask accepts an outer lens of 110 x 90 mm (ref. 040816) and an inner lens of 102 x 40 mm (ref. 040830), available from GYS distributors. Replace the outer lens as soon as it shows scratches or projections that impair visibility.
The filter does not darken when the arc is struck: what should I do?
First, check that the 2 light sensors on the front are not obstructed by dust or metal splashes and clean them with a dry cloth. Then expose the mask to bright light for a few minutes to recharge the solar cell. If the problem persists, stop using the mask and contact GYS customer service.
What safety standards does this mask comply with?
The TECHNO 11 TRUE COLOR is certified EN 175B (face protection), EN 166 (personal eye protectors), and EN 379 (automatic welding filters). Its optical classification 1/1/1/1 corresponds to the highest level of optical quality available for this type of filter.
What is the surface area of the field of vision of this mask?
The LCD filter offers a field of vision of 98 x 35 mm. UV/IR protection is maintained permanently up to DIN 15, even when the filter is in the clear state, which protects the eyes even before the arc is struck.
How do I clean and maintain the mask?
Wipe the helmet body and lenses with a slightly damp soft cloth. Do not use solvents, alcohol, or abrasive products that could scratch the LCD filter or damage the solar cells. Store the mask away from excessive heat and prolonged UV exposure.
How much does the TECHNO 11 TRUE COLOR mask weigh?
The mask weighs 396 g including the headband. This limited weight reduces neck fatigue during prolonged use in the workshop.

User questions about TECHNO 11 TRUE COLOR GYS

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What are the functions of the adjustment buttons on the GYS TECHNO 11 TRUE COLOR welding mask, located on the outer side and inside above the screen?
Frequently Asked Questions - 17/02/2026
Response Notice-Facile

The GYS TECHNO 11 TRUE COLOR welding mask is equipped with several adjustment buttons that allow you to adapt the LCD filter to your welding needs. Here are the main functions of the buttons located on the outer side and inside the helmet:

Buttons on the outer side of the helmet

  • Shade adjustment: This button allows you to select the shade level of the filter, usually adjustable between 9 and 13. The higher the shade, the greater the protection against the intense light of the arc.
  • Sensitivity adjustment: This button adjusts the sensitivity of the sensors that detect the welding arc. A higher sensitivity is useful for low-intensity welds or in bright environments.
  • Delay adjustment: This button controls the time it takes for the filter to return to a clear state after welding stops. A longer delay better protects your eyes from residual light.

Buttons inside the helmet, above the screen

These buttons often allow for additional adjustments or specific functions, such as:

  • Activation or deactivation of certain features (for example, TIG welding mode)
  • Fine adjustment of shade or sensitivity for more precise tuning
  • Resetting or calibrating the filter

These controls are placed inside to prevent accidental changes during use.

In summary, the external buttons provide quick access to the main settings (shade, sensitivity, delay), while those located inside allow for more precise adjustments or advanced functions. Using these settings will help you optimize your visual comfort and safety while welding.

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USER MANUAL TECHNO 11 TRUE COLOR GYS

text_image WARNING Please remove this Protective film before using

This user's manual includes information on the operation of the equipment and the precautions to be followed for the user's safety. Please read it carefully before first use and keep it in a safe place for future reference. These instructions must be read and understood before any operation. Any modification or maintenance not indicated in the manual must not be undertaken. Any damage to persons or property caused by use not in accordance with the instructions in this manual shall not be borne by the manufacturer. In the event of a problem or uncertainty, consult a qualified person to handle the product correctly.

Use the welding helmet only for eye and face protection against harmful ultra violet and infrared radiation, sparks and spatter from welding.

Never look directly at welding arcs without eye protection when the arc is initiated. Failure to do so may cause painful inflammation of the cornea and potentially irreversible damage to the lens which may result in cataracts.

GYS TECHNO 11 TRUE COLOR - 1

Look out! Danger of injury if a person wearing a mask and goggles is hit by particles thrown at high speed.

The mask, filter and shields do not guarantee unlimited protection against major shocks or impacts, explosive mechanisms or corrosive liquids. Avoid welding or cutting in these severe environments.

Do not weld or cut above his head with this mask.

Move his face away from the smoky area. Use forced ventilation or local exhaust to remove smoke.

Oxyacetylene, laser or gas welding and cutting is not permitted with this mask.

Before each use :

  • Carefully inspect the mask and its UV/IR filter.
  • Replace worn or damaged parts immediately.
  • Replace filter lenses or face shields if they are cracked or scratched to prevent damage to the user's eyes.

The headband can potentially cause allergies in sensitive individuals.

The operating temperatures of the optoelectronic filter are from -5^ to +55^ .

The opto-electronic filter in the mask is not waterproof and will not function properly if it has been in contact with water.

The welding mask must be moved carefully to avoid damage to the filter, guards and/or protective shell.

Maintenance :

  • Do not place heavy objects or tools on or in the facepiece to avoid damage to the filter or face shields.
    Mask storage temperatures range from -10°C to +60°C.
  • Clean the Optoelectronic Filter with a clean cotton or special lens cloth.
  • Regularly clean and change the guard screens.
  • Clean the inside and outside of the mask with a neutral detergent-disinfectant. Do not use solvents.
  • Make sure that the sensors and cell are not obstructed by dust or debris.
  • We recommend using the mask and visors for 5 years.

The length of use depends on various factors such as type of use, cleaning, storage and maintenance.

BEFORE WELDING

-Check that the welding helmet is in good condition and headband adjustment.
-Check whether the front cover lens, the front frame and filter are inserted and fixed in place. In case of anomalie, please proceed to its reconditioning.
-Make sure that the 2 sensors (4) and the cell (2) are not obstructed by dust or debris.
-Make sure that the protection films on both screens are removed.
-Check that the protection level matches your welding processes. Please refer to the following chart to help your choice (cf. welding process board)

OPERATION

The TECHNO LCD 11 TRUE COLOR auto-darkening welding helmet switches from light to dark state when a welding arc is struck. The auto-darkening welding helmet switches back to the light state when the arc stops.

GYS TECHNO 11 TRUE COLOR - OPERATION - 1

text_image 98 x 35 mm 1

GYS TECHNO 11 TRUE COLOR - OPERATION - 2

text_image 2 4 3
  1. LCD protection plate
  2. Solar cell
  3. Filter
  4. Sensors

PRECAUTIONS

  • The welding helmet is suitable for use with virtually all welding processes except Oxy-Acetylene welding, laser welding and gas welding.
  • Standard protective screens must be installed on both inside and outside surfaces of the module. Failure to use protective screens may constitute a safety hazard or result in irreparable damage to the module.
Clear shade3
Dark shade11
Filter dimension110x90mm
Reaction speed0,6 ms
Power supplySolar
Weight420 g
Field of vision98x35mm
ApplicationsMIG/MAG / MMA /TIG>10A
Warranty2 years
Application temperature-5°C / + 55°C
Storage temperature-10°C / + 60°C

HEADBAND ADJUSTMENT

The TECHNO LCD 11 TRUE COLOR is equipped with a headband which can be adjusted in multiple ways to suit the welder: width, height (1), longitudinal inclination (3) and adjustment (2).

GYS TECHNO 11 TRUE COLOR - HEADBAND ADJUSTMENT - 1

text_image Technical diagram of a mechanical device with numbered parts and directional arrows indicating motion or flow.

MAINTENANCE

  • Expiration date : No expiration date for this product but the state of the LCD TECHNO 11 TRUE COLOR welding helmet must be checked before each use.
  • The welding helmet must not fall down.
  • Do not use any tools or other sharp objects to remove any components of filter or helmet. Doing so may damage filter or helmet preventing proper function, possibly causing injury or cancellation of the warranty.

REPLACING THE EXTERNAL PROTECTIVE SCREEN

GYS TECHNO 11 TRUE COLOR - REPLACING THE EXTERNAL PROTECTIVE SCREEN - 1

text_image 1 2 3 A

The outer protection screen (2) can be removed by placing a finger under the screen on (A) of the helmet (1).

When changing the screen, make sure that the protective film (3) has been removed. This film must be removed only when the protection screen is in position in the helmet.

REPLACING THE INTERNAL PROTECTIVE SCREEN (10)

GYS TECHNO 11 TRUE COLOR - REPLACING THE INTERNAL PROTECTIVE SCREEN (10) - 1

text_image WARNING Please remove this Protective film before using

The internal protection screen (10) is removable by sliding it down by placing a finger on (A). When changing the screen, make sure you remove the protective screen (11)

TROUBLESHOOTING

The optoelectronic filter does not workActivate the solar charge by exposing the cell to the light for 20 to 30 minutes
Filter stays dark after the weld arc is extinguished or when no arc is presentCheck and clean detectors if needed.
Uncontrolled switching or flickering:Filter darkens and then lightens while the welding arc is presentCheck arc sensors are not blocked from direct access to the arc light.
Side of the filter is lighter than the center of viewing areaIt is a natural feature of LCD's, this symptom is not dangerous for the eyes. However for a maximum comfort, try to keep a viewing angle of around 90°

SAFETY LABEL

This label is displayed inside the welding helmet. It is important that the user understands the safety symbols signification. The list numbers match image numbers.

GYS TECHNO 11 TRUE COLOR - SAFETY LABEL - 1

flowchart
graph TD
    A["Warning"] --> B["1: Book"]
    B --> C["?"]
    C --> D["Place with tools"]
    D --> E["Hand holding wrench"]
    E --> F["Check hands"]
    F --> G["Check hand with tools"]
    G --> H["Check hand with tools"]
    H --> I["Check hand with tools"]
    I --> J["Check hand with tools"]
    J --> K["Check hand with tools"]
    K --> L["Check hand with tools"]
    L --> M["Check hand with tools"]
    M --> N["Check hand with tools"]
    N --> O["Check hand with tools"]
    O --> P["Check hand with tools"]
    P --> Q["Check hand with tools"]
    Q --> R["Check hand with tools"]
    R --> S["Check hand with tools"]
    S --> T["Check hand with tools"]
    T --> U["Check hand with tools"]
    U --> V["Check hand with tools"]
    V --> W["Check hand with tools"]
    W --> X["Check hand with tools"]
    X --> Y["Check hand with tools"]
    Y --> Z["Check hand with tools"]
    Z --> AA["Check hand with tools"]
    AA --> AB["Check hand with tools"]
    AB --> AC["Check hand with tools"]
    AC --> AD["Check hand with tools"]
    AD --> AE["Check hand with tools"]
    AE --> AF["Check hand with tools"]
    AF --> AG["Check hand with tools"]
    AG --> AH["Check hand with tools"]
    AH --> AI["Check hand with tools"]
    AI --> AJ["Check hand with tools"]
    AJ --> AK["Check hand with tools"]
    AK --> AL["Check hand with tools"]
    AL --> AM["Check hand with tools"]
    AM --> AN["Check hand with tools"]
    AN --> AO["Check hand with tools"]
    AO --> AP["Check hand with tools"]
    AP --> AQ["Check hand with tools"]
    AQ --> AR["Check hand with tools"]
    AR --> AS["Check hand with tools"]
    AS --> AT["Check hand with tools"]
    AT --> AU["Check hand with tools"]
    AU --> AV["Check hand with tools"]
    AV --> AW["Check hand with tools"]
    AW --> AX["Check hand with tools"]
    AX --> AY["Check hand with tools"]

Legend :

A. Warning ! Beware ! There are possible dangers as per the different symbols.
1. Read the instructions carefully before using the product or before welding.
2. Do not remove the warning label and do not paint on it.
3. Follow settings instructions and maintenance of the filter, the protective screens, the headband and the hood.
4. Inspect the helmet and the UV/IR filter carefully. Replace damaged or worn parts immediately. Cracked, scratched, filter glasses and protective screens decrease protection. Replace them immediately to avoid damaging your eyes.
5. Warning, if the UV/IR filter does not tint whilst welding or cutting, stop immediately and consult the user manual.
6. Arc radiation can cause eyes and skin burns.
6.1. Use a welding helmet with a good filtration or opacity. Wear complete protective clothing..
6.2. The helmet, filter and protective screen do not guarantee unlimited protection against, shocks, impacts, explosions or corrosive liquid. Avoid welding or cutting in rough environment.
6.3. Do not weld or cut above your head with this helmet.
7. Keep your head away from the smoke-filled area. Use a forced ventilation or a local aspiration system to eliminate smoke.
8. The oxyacetylene welding-cutting, laser or gas is not authorised with this helmet.

text_image Technical diagram of a mechanical device with numbered parts and directional arrows indicating motion or flow.
text_image WARNING Please remove this Protective film before using
flowchart
graph TD
    A["Warning"] --> B["1: Book"]
    B --> C["2: Alarm"]
    C --> D["3: Down"]
    D --> E["4: Shocking"]
    E --> F["5: Attack"]
    F --> G["6: Hazard"]
    G --> H["6.1: Covering Face"]
    H --> I["7: Hazard Removal"]
    I --> J["8: Repair & Inspection"]
    style A fill:#f9f,stroke:#333
    style J fill:#bbf,stroke:#333

Zeichenerklärung :

text_image WARNING Please remove this Protective film before using
text_image WARNING Please remove this Protective film before using
flowchart
graph TD
    A["Warning"] --> B["1: Book"]
    B --> C["2: Warning icon with warning cap, hand tools, tools, and warning cap"]
    C --> D["3: Head icon with warning helmet, upward arrow"]
    D --> E["4: Hazard mask with warning helmet, upward arrow, hand tools, tools, and warning cap"]
    E --> F["5: Hazard mask with warning helmet, upward arrow, hand tools, tools, and warning cap"]
    F --> G["6: Hazard mask with warning helmet, upward arrow"]
    G --> H["6.1: Hazard mask + hand tools, shoes, gear, etc."]
    H --> I["7: Hazard mask with warning helmet, upward arrow, hand tools, tools, and warning cap"]
    I --> J["8: Hazard mask with warning helmet, upward arrow, hand tools, tools, and warning cap"]

Легенда :

text_image WARNING Please remove this Protective film before using
flowchart
graph TD
    A["Warning"] --> B["1: Book"]
    B --> C["2: Warning icon with warning cap, hand tools, wrench, etc."]
    C --> D["3: Arrow pointing to helmet, hand holding hands, warning sign, and warning cap"]
    D --> E["4: Head and face shield, hand holding face, warning sign, and wrench"]
    E --> F["5: Arrow pointing to helmet, hand holding hand, warning sign, and wrench"]
    F --> G["6: Triggering helmet, hand holding helmet, warning sign, and wrench"]
    G --> H["6.1: Head and face shield, hand holding hand, warning sign, and wrench"]
    H --> I["7: Welding mask, hand holding tool, warning sign, and wrench"]
    I --> J["8: Stamped welding rod, hand holding tool, warning sign"]

Legenda :

text_image Technical diagram of a mechanical device with numbered parts and directional arrows indicating rotation or movement.

MANUTENZIONE

text_image WARNING Please remove this Protective film before using
text_image 5 Ref. 043466 4

Ref. 076023

GYS TECHNO 11 TRUE COLOR - MANUTENZIONE - 1

flowchart
graph LR
    A["110 x 90 (x5)<br>Ref. 040816"] --> B["Process Box"]
    C["102 x 40 (x5)<br>Ref. 040830"] --> B
    B --> D["Output Box"]

GARANTIE / WARRANTY / GARANTIE / GARANTÍA / ΓΑΡΑΗΤΙΥ / GARANTIE / GARANZIA

FRLa garantie couvre tous défauts ou vices de fabrication pendant 2 ans, à compter de la date d'achat (pièces et main d'oeuvre).La garantie ne couvre pas :Toutes autres avaries dues au transport.Présence de grattons : travail sans vitre de protection (écran de garde)Verres cassésLes incidents dus à un mauvais usage (chute, démontage).En cas de défaut/panne, retourner l'appareil à votre distributeur, en y joignant :un justificatif d'achat daté (ticket de sortie de caisse, facture....)une note explicative de la panne/défaut.
UKThe warranty covers faulty workmanship for 2 years from the date of purchase (parts and labour).The warranty does not cover:Transit damage.Presence of scrapers: work without protective glass (guard screen)Damages due to misuse (dropping of equipment, disassembling).broken glassesIn case of failure, return the unit to your distributor together with:The proof of purchase (receipt etc ... )A description of the fault reported
DEDie Garantieleistung des Herstellers erfolgt ausschließlich bei Fabrikations- oder Materialfehlern, die binnen 24 Monate nach Kauf angezeigt werden (Nachweis Kaufbeleg).Die Garantie erstreckt sich nicht auf :Alle anderen Schäden durch den Transport.Vorhandensein von Kratzern: Arbeiten ohne Schutzglas (Schutzschirm)Zerbrochene GläserVorfälle durch Missbrauch (Sturz, Demontage).Die Reparatur erfolgt erst nach Erhalt einer schriftlichen Akzeptanz (Unterschrift) des zuvor vorgelegten Kostenvoranschlages durch den Besteller. Im Fall einer Garantieleistung trägt GYS ausschließlich die Kosten für den Rückversand an den Fachhändler.
ESLa garantía cubre todos los defectos o vicios de fabricación durante 2 años, a partir de la fecha de compra (piezas y mano de obra)La garantía no cubre :Cualquier otro daño debido al transporte.Presencia de arañazos: trabajo sin cristal de protección (pantalla de protección)Gafas rotasIncidentes por mal uso (caída, desmontaje).En caso de fallo, regresen la maquina a su distribuidor, adjuntando:Un justificativo de compra con fecha (recibo, factura...)Una nota explicativa del fallo
RUГарантия распространяется на любой заводской дефект или брак в течение 2x лет с даты покупки изделия (запчасти и рабочая сила).Гарантия не распространяется на :Любые другие повреждения при транспортировке.Hаличие царапин: работа без защитного стекла (защитный экран)Разбитые очкиИнциденты, связанные с неправильным использованием (падение, демонтаж).При выходе из строя, обратитесь в пункт покупки аппарата с предъявлением следующих документов:документ, подтверждающий покупку (с датой): кассовый чек, инвойс....описание поломки.
NLDe garantie dekt alle gebreken en fabricagefouten gedurende twee jaar vanaf de aankoopdatum (onderdelen en arbeidsloon).De garantie dekt niet:Elke andere schade als gevolg van transport.Aanwezigheid van krassen: werken zonder beschermend glas (beschermrooster)Gebroken glazenIncidenten door verkeerd gebruik (vallen, afbreken).In geval van storing moet het apparaat teruggestuurd worden naar uw distributeur, samen met:Een gedateerd aankoopbewijs (betaalbewijs, factuur ... ).Een beschrijving van de storing.
ITLa garanzia copre qualsiasi difetto di fabbricazione per 2 anni, a partire dalla data d'acquisto (pezzi e mano d'opera).La garanzia non copre :Eventuali altri danni dovuti al trasporto.Presenza di graffi: lavoro senza vetro di protezione (schermo di protezione)Occhiali rottiIncidenti dovuti ad un uso improprio (caduta, smontaggio).In caso di guasto, rinviare il dispositivo al distributore, allegando:la prova d'acquisto con data (scontrino, fattura...)una nota esplicativa del guasto.

DÉCLARATION DE CONFORMITÉ / DECLARATION OF CONFORMITY / KONFORMITÄTSERKLÄRUNG / DECLARACIÓN DE CONFORMIDAD / CEPTIФИКАТ COOTBETCTВИЯ / VERKLARING VAN OVEREENSTEMMING / DICHIARAZIONE DI CONFORMITÀ

UK The welding helmet TECHNO LCD 11 TRUE COLOR complies with (UE) 2016/425. This confirmity is established in compliance with EN 175 : 1997, EN 166 : 2002 and EN 379+A1 : 2009.

Filter model : WH111

Model of the helmet : WH4000

UK Cell & Welding hood / Protection screen :

DE Zelle & Maske / Schutzschirm :

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Product information

Brand : GYS

Model : TECHNO 11 TRUE COLOR

Category : Welding mask