1. Úvod
This manual provides comprehensive instructions for the safe and effective operation, maintenance, and troubleshooting of your Sofirn HS41 4000 Lumen Rechargeable LED Headlamp. Please read this manual thoroughly before using the product to ensure optimal performance and longevity.

The Sofirn HS41 can be used as a headlamp with the included headband or as a versatile right-angle flashlight, featuring a magnetic base for hands-free operation.
2. Konec produktuview
Klíčové vlastnosti
- Vysoký výkon: Equipped with 4*SST20 LEDs, delivering up to 4000 lumens with a beam distance of 325 meters.
- Nabíjení USB-C: Built-in Type-C port for convenient and fast charging.
- Rozšířená doba běhu: Up to 29.5 days of usage in Moonlight mode on a single charge.
- Více režimů osvětlení: 9 modes including Moonlight, Eco, Low, Medium, High, Turbo, Strobe, SOS, and Beacon.
- Odolný design: IPX8 waterproof rating and impact resistance up to 1 meter.
- Všestranné použití: 90-degree L-shape design allows use as a headlamp or right-angle flashlight with a powerful magnetic tailcap.
- Bezpečnostní funkce: Advanced Temperature Regulation (ATR) and Low Voltage Ochrana.

This image highlights the main features of the HS41, such as its multiple lighting modes, extended battery life, convenient USB-C charging, and robust IP68 waterproof design.
Co je v krabici
- Hlava Sofirn HS41amp
- 1x Rechargeable Lithium Polymer Battery
- 1x Sturdy Head Band
- 1x nabíjecí kabel typu C
- 1x Uživatelská příručka
3. Bezpečnostní pokyny
- Nesvíťte přímo do očí. Vysoký světelný tok může způsobit dočasné zhoršení zraku.
- Uchovávejte mimo dosah dětí.
- Use only the specified battery type. Incorrect battery usage can lead to damage or safety hazards.
- Hlavu nerozebírejteamp, as this may void the warranty and cause damage.
- Vyvarujte se odkrytí hlavyamp extrémním teplotám nebo přímému slunečnímu záření po delší dobu.
- Pokud se zařízení nenabíjí, ujistěte se, že je kryt portu USB-C bezpečně uzavřen, aby byla zachována vodotěsnost.
4. Nastavení
Instalace baterie
- Unscrew the tail cap of the headlamp.
- Insert the included 18650 Lithium Polymer battery with the positive (+) end facing towards the head of the light.
- Pevně zašroubujte zadní krytku zpět, abyste zajistili správný kontakt a vodotěsnost.
Nabíjení
The HS41 features a built-in USB-C charging port.
- Vyhledejte nabíjecí port USB-C na boku hlavového sloupkuamp and open its protective cover.
- Připojte dodaný nabíjecí kabel typu C k hlavěamp and to a USB power source (e.g., wall adapter, power bank, computer).
- Kontrolka na hlavěamp will show the charging status:
- Červený: Probíhá nabíjení.
- Zelený: Plně nabitá.
- Nabíjení obvykle trvá přibližně 2.5 hodiny pro úplné nabití.
- Po dokončení nabíjení odpojte kabel a bezpečně zavřete kryt portu USB-C, abyste zachovali vodotěsnost.

Vedoucíamp features a built-in USB-C port for convenient and fast charging. The indicator light changes color to show charging status.
5. Návod k obsluze
The HS41 is operated via a single side switch.
Základní operace
- Zapnout/Vypnout: Single click the switch to turn the light on or off.
- Change Brightness (Ramping): When the light is on, press and hold the switch to cycle through brightness levels (Moonlight, Eco, Low, Medium, High, Turbo). Release the switch at your desired brightness.
- Paměť režimu: Vedoucíamp will remember the last used brightness level (except for special modes like Strobe, SOS, Beacon).
Režimy rychlého přístupu
- Měsíční svit: From OFF, press and hold the switch for 1 second to activate Moonlight mode.
- Vysoký režim: From OFF, double-click the switch to directly activate High mode.
- Stroboskopický režim: From OFF, triple-click the switch to activate Strobe mode.

Vedoucíamp's single button allows for quick access to frequently used modes: press and hold for Moonlight, double-click for High, and triple-click for Strobe.
Special Modes (Strobe, SOS, Beacon)
- From ON, triple-click the switch to enter Strobe mode.
- While in Strobe mode, double-click to cycle through SOS and Beacon modes.
- Single click to turn off or return to the previous brightness level.

The HS41 delivers a powerful 4000 lumens, providing extensive illumination for outdoor activities. The image shows the light beam and icons representing modes like Moonlight, Eco, Low, Medium, High, Turbo, Strobe, Beacon, and SOS.
Funkce uzamčení
To prevent accidental activation, the HS41 features a lockout mode.
- Aktivace uzamčení: From OFF, perform four quick clicks of the switch. The LED will blink twice to confirm lockout mode is active.
- Deaktivace uzamčení: Perform four quick clicks of the switch. The light will turn on to the last used mode.

Vedoucíamp features a lockout mode to prevent accidental activation. It is engaged by four quick clicks when the light is off, indicated by two blinks.
Indikátor napájení
The power indicator displays the battery level for 5 seconds every time the light is turned on.
- Zelený: Remaining battery power is good (70% - 100%).
- Červený: Remaining battery power is poor (30% - 69%).
- Blikající červená: Critical power (less than 30%). Recharge the battery as soon as possible.

The integrated power indicator provides real-time battery status: green (70-100%), red (30-69%), and flashing red (below 30%), prompting timely recharging.
Nízký objemtage Varování
Když je baterie objtage drops below 3V, the indicator will flash red, and the headlamp will vibrate twice with a 1-minute interval between each vibration. This signals that the battery needs to be recharged immediately.

Když je baterie objtage klesne pod 3V, hlavaamp's indicator will flash red, and the device will vibrate twice with a one-minute interval, signaling a low voltage podmínka.
6. Údržba
Čištění
- Otřete hlavuamp s měkkým, damp hadříkem k odstranění nečistot a nečistot.
- Do not use abrasive cleaners or solvents, as they may damage the finish or internal components.
- Clean the threads of the tail cap and O-rings periodically. Apply a thin layer of silicone grease to the O-rings to maintain water resistance.
Péče o baterie
- Recharge the battery regularly, especially if the headlamp nebudou používány po delší dobu.
- Baterii skladujte na chladném a suchém místě.
- If storing for a long time, remove the battery from the headlamp to prevent parasitic drain.
Skladování
- Uložte hlavuamp in a dry environment, away from direct sunlight and extreme temperatures.
- Zajistěte hlavuamp is in lockout mode or the battery is removed during storage to prevent accidental activation.
7. Řešení problémů
| Problém | Možná příčina | Řešení |
|---|---|---|
| Světlo se nerozsvítí | Baterie je vybitá Battery incorrectly inserted Tail cap loose Vedoucíamp in lockout mode | Nabijte baterii Zkontrolujte polaritu baterie Utáhněte ocasní uzávěr Deactivate lockout mode (4 clicks) |
| Světlo bliká nebo je slabé | Slabá baterie Poor contact between battery and terminals Dirty threads/contacts | Nabijte baterii Ensure battery is fully inserted Clean threads and contacts with a cotton swab |
| Nabíjení nefunguje | Vadný nabíjecí kabel USB power source insufficient Charging port dirty | Zkuste jiný kabel USB-C Use a reliable USB power adapter Clean the USB-C port gently |
| Vedoucíamp gets hot quickly | Operating in Turbo/High mode for extended periods ATR (Advanced Temperature Regulation) is active | This is normal. The ATR system will automatically reduce brightness to prevent overheating. Reduce brightness manually if desired. |
8. Specifikace
| Funkce | Specifikace |
|---|---|
| Model | HS41 |
| Světelný zdroj | 4*SST20 LEDs |
| Maximální jas | 4000 XNUMX lumenů |
| Vzdálenost paprsku | 325 metrů |
| Zdroj napájení | 1x Rechargeable Lithium Polymer Battery (included) |
| Nabíjecí port | USB Type-C |
| Materiál | Hliníková slitina |
| Voděodolnost | IPX8 (submersible up to 2 meters for 30 minutes) |
| Odolnost proti nárazu | 1 metru |
| Rozměry | 1 cm H x 1 cm Š x 1 cm V (přibližně 30.1 mm x 29 mm x 115 mm) |
| Hmotnost | 0.71 Pounds (approx. 11.4 ounces / 79g without battery) |
| Speciální funkce | Adjustable Light Modes, Adjustable Strap, Magnetic Base, Low Voltage Warning, Advanced Temperature Regulation |
9. Záruka a podpora
For warranty information or technical support, please contact the seller, 77 Outdoor Shop, or the manufacturer, Sofirn, directly through their official channels. Please retain your proof of purchase for any warranty claims.