Introduzione
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.
Informazioni sulla sicurezza
- 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.
- Tenere la torcia fuori dalla portata dei bambini.
- 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.
Contenuto della confezione
Si prega di controllare la confezione per verificare la presenza dei seguenti elementi:
- 1 x Sofirn SD05B Dive Light
- Batteria ricaricabile 1 x
- Caricabatteria 1 x
- 1 x cordino
- 1 x Manuale utente
- Spare O-rings (if included)
Impostare
1. Installazione della batteria
- Svitare il tappo posteriore della torcia in senso antiorario.
- 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. Carica della batteria
Prima del primo utilizzo, caricare completamente la batteria utilizzando il caricabatterie in dotazione.
- Collegare il caricabatterie a una fonte di alimentazione.
- Place the battery into the charger according to the polarity markings.
- La spia luminosa sul caricabatterie indicherà lo stato di carica (ad esempio, rossa per la carica in corso, verde per la carica completa).
- Una volta caricata completamente, rimuovere la batteria dal caricabatterie.
3. Fissaggio del cordino
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.
Istruzioni per l'uso
Magnetic Ring Switch
The Sofirn SD05B uses a magnetic control ring for easy and reliable operation, even underwater.
- Attiva/disattiva: 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.
- Selezione della modalità: 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.
Scenari di utilizzo
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.
- Speleologia: 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.
Manutenzione
1. Assistenza generale
- 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.
- Conservare la torcia in un luogo fresco e asciutto, lontano dalla luce solare diretta.
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 della batteria
- 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.
- Ricaricare le batterie prima che siano completamente scariche per prolungarne la durata.
Risoluzione dei problemi
| Problema | Possibile causa | Soluzione |
|---|---|---|
| La torcia non si accende. | La batteria è scarica o non è inserita correttamente. | 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. |
| Infiltrazioni d'acqua dopo l'immersione. | O-ring danneggiati o posizionati in modo non corretto; tappo posteriore non completamente serrato. | Inspect and clean O-rings, apply silicone grease, replace if damaged. Ensure tail cap is securely tightened before diving. |
| Magnetic ring switch is stiff. | Residui o detriti di acqua salata. | Rinse the switch area with fresh water and rotate it several times to clear debris. |
Specifiche
| Caratteristica | Dettaglio |
|---|---|
| Numero di modello | SD05B |
| Marca | Sofirn |
| Tipo di sorgente luminosa | GUIDATO |
| Materiale | Durable Aircraft-Grade Aluminum |
| Colore | Nero |
| Fonte di alimentazione | Alimentato a batteria |
| Tipo di batteria | Polimero di litio (1 incluso) |
| Resistenza all'acqua | IPX8, up to 100 meters underwater |
| Resistenza all'impatto | 1 metro |
| Dimensioni (L x P) | 4.69" x 1.48" (11.9 cm x 3.76 cm) |
| Tipo di montaggio | Portatile |
| Modalità | Flusso luminoso (lm) | Autonomia (ore) | Distanza trave (m) | Peak Intensity (cd) |
|---|---|---|---|---|
| Alto | 3000 | 1.5 | 270 | 18250 |
| Medio | 1000 | 2.5 | 150 | 5691 |
| Basso | 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.
Informazioni sulla garanzia
The Sofirn SD05B Dive Light comes with a Garanzia del produttore di 1 anni 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.
Assistenza clienti
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 websito di supporto.