Introducció
Thank you for choosing the Sofirn SD05B Dive Light. This high-performance flashlight is designed for underwater activities, offering 3000 lumens of bright illumination and a waterproof rating of IPX8, allowing it to operate up to 100 meters deep. This manual provides essential information for the safe and effective use, setup, operation, and maintenance of your dive light.

The Sofirn SD05B Dive Light, a compact and powerful illumination tool for underwater use.
Informació de seguretat
- Always inspect the flashlight, especially the O-rings and threads, before each dive to ensure proper sealing and prevent water ingress.
- Do not look directly into the light beam when the flashlight is on, as it can cause temporary vision impairment.
- Mantingueu la llanterna fora de l'abast dels nens.
- Use only the recommended battery type and charger. Improper use can lead to battery damage or safety hazards.
- Avoid disassembling the sealed head of the flashlight, as this may damage the light and void the warranty.
- After each use in saltwater, rinse the flashlight thoroughly with fresh water and wipe it dry.
Contingut del paquet
Si us plau, comproveu el paquet per veure si hi ha els elements següents:
- 1 x Sofirn SD05B Dive Light
- 1 x bateria recarregable
- 1 x carregador de bateria
- 1 x cordó
- 1 x Manual d'usuari
- Spare O-rings (if included)
Configuració
1. Instal·lació de la bateria
- Desenrosqueu la tapa posterior de la llanterna en sentit antihorari.
- Insert the provided rechargeable battery with the positive (+) end facing towards the flashlight head.
- Carefully screw the tail cap back on clockwise until it is fully tightened. Ensure the O-rings are properly seated to maintain the waterproof seal.
2. Carregant la bateria
Abans del primer ús, carregueu completament la bateria amb el carregador subministrat.
- Connecteu el carregador a una font d'alimentació.
- Place the battery into the charger according to the polarity markings.
- El llum indicador del carregador mostrarà l'estat de càrrega (per exemple, vermell per a la càrrega, verd per a la càrrega completa).
- Un cop estigui completament carregat, traieu la bateria del carregador.
3. Fixació del cordó
The SD05B features an upgraded tail cap design for easier lanyard attachment.
- Thread the lanyard through the dedicated slot on the tail cap.
- Secure the lanyard as desired to prevent accidental drops, especially during underwater activities.

The SD05B features an upgraded tail cap for improved lanyard attachment compared to the previous model.
Instruccions de funcionament
Magnetic Ring Switch
The Sofirn SD05B uses a magnetic control ring for easy and reliable operation, even underwater.
- Activar/Desactivar: Rotate the magnetic ring from the 'Off' position (indicated by 'Ø') to any brightness mode (Low, Medium, High) to turn the flashlight on. Rotate it back to 'Ø' to turn it off.
- Selecció del mode: While the flashlight is on, rotate the magnetic ring to cycle through the brightness modes: Low (L), Medium (M), and High (H).

The magnetic control ring allows for easy mode selection and power control.
Escenaris d'ús
The SD05B is suitable for various activities:
- Tech Diving: Provides powerful illumination for technical dives.
- Underwater Videos/Photography: Offers consistent light for capturing marine life.
- Caving: Durable and bright for exploring dark environments.
- Beach Combing: Useful for night exploration along shorelines.

The Sofirn SD05B is a versatile light for various demanding environments.
Manteniment
1. Atenció general
- After each dive, especially in saltwater, rinse the flashlight thoroughly with fresh water to remove salt and debris.
- Wipe the flashlight dry with a soft cloth.
- Store the flashlight in a cool, dry place away from direct sunlight.
2. O-Ring Maintenance
The O-rings are crucial for maintaining the waterproof seal.
- Regularly inspect the O-rings for any cuts, cracks, or signs of wear.
- Clean any dirt or debris from the O-rings and their grooves.
- Apply a thin layer of silicone grease to the O-rings periodically to keep them supple and ensure a good seal.
- Replace damaged O-rings immediately with the provided spare O-rings or genuine Sofirn replacements.
3. Cura de la bateria
- Remove the battery if the flashlight will not be used for an extended period to prevent potential leakage or damage.
- Store batteries in a protective case to prevent short circuits.
- Recharge batteries before they are completely depleted to prolong their lifespan.
Resolució de problemes
| Problema | Causa possible | Solució |
|---|---|---|
| La llanterna no s'encén. | La bateria està morta o està inserida incorrectament. | Charge the battery or re-insert it with correct polarity. |
| Flashlight flickers or has low output. | Low battery power; loose connections; dirty contacts. | Recharge battery; ensure tail cap is tightened; clean battery contacts and threads. |
| Water ingress after diving. | Damaged or improperly seated O-rings; tail cap not fully tightened. | Inspect and clean O-rings, apply silicone grease, replace if damaged. Ensure tail cap is securely tightened before diving. |
| Magnetic ring switch is stiff. | Saltwater residue or debris. | Rinse the switch area with fresh water and rotate it several times to clear debris. |
Especificacions
| Característica | Detall |
|---|---|
| Número de model | SD05B |
| Marca | Sofirn |
| Tipus de font de llum | LED |
| Material | Durable Aircraft-Grade Aluminum |
| Color | Negre |
| Font d'alimentació | Funciona amb bateria |
| Tipus de bateria | Polímer de liti (1 inclòs) |
| Resistència a l'aigua | IPX8, up to 100 meters underwater |
| Resistència a l'impacte | 1 metre |
| Dimensions (L x P) | 4.69" x 1.48" (11.9 cm x 3.76 cm) |
| Tipus de muntatge | Portàtil |
| Mode | Flux lluminós (lm) | Temps d'execució (h) | Distància del feix (m) | Peak Intensity (cd) |
|---|---|---|---|---|
| Alt | 3000 | 1.5 | 270 | 18250 |
| Mitjana | 1000 | 2.5 | 150 | 5691 |
| Baixa | 320 | 8.5 | 86 | 1850 |
Note: The above data is approximate and may vary based on battery and environmental conditions.

Visual representation of the SD05B's performance parameters across different modes.
Informació de la garantia
The Sofirn SD05B Dive Light comes with a Garantia del fabricant de 1 anys from the date of purchase. This warranty covers manufacturing defects and workmanship. It does not cover damage caused by misuse, unauthorized modification, improper maintenance, or normal wear and tear. Please retain your proof of purchase for warranty claims.
Atenció al client
If you encounter any problems or have questions regarding your Sofirn SD05B Dive Light, please contact Sofirn customer service. Refer to the contact information provided with your purchase or visit the official Sofirn weblloc de suport.