1. Танилцуулга
Худалдан авалт хийсэнд баярлалааasing the Sofirn HS21 and D25S headlamps. These headlamps are designed for various outdoor activities, offering reliable illumination and convenient features. This manual provides detailed instructions for the safe and effective use, setup, operation, and maintenance of your new headlamps. Please read this manual thoroughly before use and retain it for future reference.
2. Аюулгүй ажиллагааны заавар
- Do not shine the light directly into eyes. The powerful beam can cause temporary vision impairment or permanent eye damage.
- Хүүхдийн гар хүрэхгүй газар хадгална.
- Толгойг нь задалж болохгүйamp. This may damage the device and void the warranty.
- Use only the recommended battery types. Improper battery use can lead to fire, explosion, or leakage.
- Толгойг нь ил гаргахаас зайлсхийamp хэт өндөр температур эсвэл нарны шууд тусгалд удаан хугацаагаар.
- Усны хамгаалалтыг хадгалахын тулд цэнэглээгүй үед USB-C цэнэглэгч портын тагийг найдвартай хаасан эсэхийг шалгаарай.
3. Багцын агуулга
- 1 x Sofirn HS21 Headlamp
- 1 x Sofirn D25S Headlamp
- 2 x толгойн тууз
- 2 x USB-C цэнэглэгч кабель
- 2 x Rechargeable Batteries (pre-installed or separate)
- 1 х хэрэглэгчийн гарын авлага
4. Бүтээгдэхүүн дууссанview
4.1 Sofirn HS21 Headlamp
The Sofirn HS21 is a versatile headlamp featuring a combination of spotlight, floodlight, and red light. It is equipped with a convenient rotary switch for easy mode selection and offers a wide 130° rotation adjustment for optimal illumination angle.

Image 1: Sofirn HS21 Headlamp showing its various light modes including red light, spotlight, and floodlight.

Image 2: The Sofirn HS21 headlamp demonstrating its 130-degree rotation capability for adjustable light direction.
4.2 Sofirn D25S Headlamp
The Sofirn D25S is a compact and powerful headlamp utilizing an SST40 LED, offering multiple brightness levels. It features a hidden USB-C charging port for convenient recharging and a simple user interface with memory mode.

Image 3: Sofirn D25S Headlamp highlighting its comfortable switch and simple user interface.
5. Тохиргоо
5.1 Батерей суурилуулах
Both HS21 and D25S headlamps typically come with batteries pre-installed. If not, or if replacing batteries:
- Толгойн сүүлний тагийг тайлamp бие.
- Insert the rechargeable battery with the positive (+) terminal facing towards the head of the lamp.
- Тохиромжтой холбоо барих, усны хамгаалалтыг хангахын тулд сүүлний тагийг сайтар боолтоор эргүүлнэ.
5.2 Цэнэглэж байна
Хоёулаа толгойamps feature a built-in USB-C charging port.
For HS21:
- Locate the USB-C charging port on the side of the headlamp бие.
- Gently lift the protective rubber cover to expose the port.
- Өгөгдсөн USB-C кабелийг толгой хэсэгт холбоно ууamp and to a USB power source (e.g., wall adapter, power bank, computer).
- The indicator light will show red during charging and turn green when fully charged.
- Once charging is complete, securely close the rubber cover to protect the port from dust and water.

Image 4: Sofirn HS21 Headlamp connected to a USB-C charging cable, showing the charging indicator light.
For D25S:
- Unscrew the head of the D25S headlamp to reveal the hidden USB-C charging port.
- Өгөгдсөн USB-C кабелийг толгой хэсэгт холбоно ууamp and to a USB power source.
- The indicator light will show red during charging and turn green when fully charged.
- After charging, screw the head back on tightly to ensure water resistance.

Image 5: Sofirn D25S Headlamp with its head unscrewed, revealing the built-in USB-C charging port.
6. Ашиглалтын заавар
6.1 Sofirn HS21 Headlamp Үйл ажиллагаа
The HS21 features a rotary switch for easy mode selection and a separate power button.

Image 6: Illustration of the Sofirn HS21's rotary switch mechanism for changing light modes.
- Асаах/унтраах: Press the power button once to turn the headlamp асаах эсвэл унтраах.
- Горим сонгох: Rotate the head part of the headlamp to cycle through the main light modes: Red Light, Spotlight, Floodlight, and Spotlight + Floodlight (combined).
- Гэрэлтүүлгийн тохируулга: While a mode is active, press and hold the power button to cycle through brightness levels (Low, Medium, High). Release the button at your desired brightness.
- Улаан гэрлийг идэвхжүүлэх: Rotate to the red light setting. Press and hold the power button for additional red light modes (e.g., red strobe, red beacon).

Image 7: The Sofirn HS21 headlamp displaying its four primary light modes: Red Light, Spot & Flood, Floodlight, and Spotlight.

Image 8: The Sofirn HS21 headlamp emitting a 620 NM red light, suitable for preserving night vision.
6.2 Sofirn D25S Headlamp Үйл ажиллагаа
The D25S operates with a single button interface.
- Асаах/унтраах: Press the button once to turn the headlamp асаах эсвэл унтраах.
- Дугуйн горим: Толгой байхадamp is on, press and hold the button to cycle through brightness modes: Low → Medium 1 → Medium 2 → High. Release the button at your desired mode.
- Турбо горим: From any mode, double-click the button to activate Turbo mode. Double-click again to return to the previous mode.
- Санах ойн функц: The D25S will remember the last used brightness level (excluding Turbo) and turn on in that mode.
7. Засвар үйлчилгээ
- Цэвэрлэгээ: Толгойг нь арчихamp зөөлөн, damp даавуу. Зүлгүүрийн цэвэрлэгч, уусгагчийг бүү ашигла.
- O-цагираг: Periodically check and lubricate the O-rings with silicone grease to maintain water resistance. Replace damaged O-rings.
- Батерейны арчилгаа: Хэрэв толгойamp will not be used for an extended period, remove the battery to prevent leakage. Recharge batteries regularly to prolong their lifespan.
- Хадгалах: Толгойг нь хадгалamp нарны шууд тусгалаас хол хуурай, сэрүүн газар.
8. Алдаа засах
| Асуудал | Боломжит шалтгаан | Шийдэл |
|---|---|---|
| Толгойamp асахгүй байна | Low battery; Battery incorrectly installed; Loose tail cap; Faulty battery. | Charge battery; Reinstall battery with correct polarity; Tighten tail cap; Replace battery. |
| Гэрлийн гаралт бүдэг байна | Low battery; Lens is dirty. | Charge battery; Clean the lens. |
| Цэнэглэх нь ажиллахгүй байна | Cable not connected properly; Faulty cable or power source; Charging port obstructed. | Ensure secure connection; Try a different cable/power source; Clean charging port. |
| Усны оролт | O-rings damaged or missing; Tail cap/charging port cover not sealed properly. | Check and replace O-rings; Ensure all caps are tightly sealed. |
9. Техникийн үзүүлэлтүүд
9.1 Sofirn HS21 Headlamp
| Онцлог | Дэлгэрэнгүй |
|---|---|
| Гэрлийн эх үүсвэр | LED (Spotlight, Floodlight, Red Light) |
| Хамгийн их гаралт | 2200 Lumens (Spotlight + Floodlight) |
| Улаан гэрлийн долгионы урт | 620 НМ |
| Шилжүүлэгчийн төрөл | Rotary Switch + Push Button |
| Цэнэглэж байна | USB-C цэнэглэдэг |
| Эргүүлэх | 130° тохируулах боломжтой |
| Хэмжээ | 3.4 x 1.8 x 1.4 инч |
| Жин | 0.3 фунт (батарейг оруулаад) |

Image 9: The Sofirn HS21 headlamp demonstrating its ultra-bright output and beam distance of up to 754 feet.
9.2 Sofirn D25S Headlamp
| Онцлог | Дэлгэрэнгүй |
|---|---|
| Гэрлийн эх үүсвэр | SST40 LED |
| Хамгийн их гаралт | 1200 люмен |
| Горимууд | Low, Medium 1, Medium 2, High, Turbo |
| Цэнэглэж байна | Hidden USB-C Rechargeable |
| Онцлог шинж чанарууд | Санах ойн горим |
10. Баталгаат хугацаа ба дэмжлэг
Sofirn products are covered by a limited warranty. For specific warranty details, please refer to the warranty card included with your product or visit the official Sofirn website. For technical support, troubleshooting assistance, or warranty claims, please contact Sofirn customer service through the retailer where you purchased the product or via the contact information provided on the official Sofirn webсайт.





