1. Pendahuluan
Terima kasih sudah membeliasing 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. Petunjuk Keselamatan
- Do not shine the light directly into eyes. The powerful beam can cause temporary vision impairment or permanent eye damage.
- Jauhkan dari jangkauan anak-anak.
- Jangan membongkar headlamp. 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.
- Hindari memaparkan kepalalamp terhadap suhu ekstrim atau sinar matahari langsung dalam waktu lama.
- Pastikan penutup port pengisian daya USB-C tertutup rapat saat tidak digunakan untuk mengisi daya agar tetap tahan air.
3. Isi Paket
- 1 x Sofirn HS21 Headlamp
- 1 x Sofirn D25S Headlamp
- 2 x ikat kepala
- 2 x Kabel Pengisi Daya USB-C
- 2 x Rechargeable Batteries (pre-installed or separate)
- 1 x Panduan Pengguna
4. Produk Lebihview
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. Pengaturan
5.1 Pemasangan Baterai
Both HS21 and D25S headlamps typically come with batteries pre-installed. If not, or if replacing batteries:
- Lepaskan tutup belakang kepala silinder.amp tubuh.
- Insert the rechargeable battery with the positive (+) terminal facing towards the head of the lamp.
- Pasang kembali penutup belakang dengan rapat untuk memastikan kontak yang tepat dan ketahanan terhadap air.
5.2 Pengisian daya
Kedua kepalaamps feature a built-in USB-C charging port.
For HS21:
- Cari port pengisian daya USB-C di sisi headset.amp tubuh.
- Gently lift the protective rubber cover to expose the port.
- Hubungkan kabel USB-C yang disediakan ke headset.amp and to a USB power source (e.g., wall adapter, power bank, computer).
- Lampu indikator akan berwarna merah selama pengisian daya dan berubah menjadi hijau saat terisi penuh.
- 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.
- Hubungkan kabel USB-C yang disediakan ke headset.amp and to a USB power source.
- Lampu indikator akan berwarna merah selama pengisian daya dan berubah menjadi hijau saat terisi penuh.
- 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. Petunjuk Pengoperasian
6.1 Sofirn HS21 Headlamp Operasi
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.
- Daya Hidup/Mati: Tekan tombol daya sekali untuk menghidupkan lampu depan.amp aktif atau nonaktif.
- Pemilihan Mode: Rotate the head part of the headlamp to cycle through the main light modes: Red Light, Spotlight, Floodlight, and Spotlight + Floodlight (combined).
- Penyesuaian Kecerahan: 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.
- Aktivasi Lampu Merah: 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 Operasi
The D25S operates with a single button interface.
- Daya Hidup/Mati: Press the button once to turn the headlamp aktif atau nonaktif.
- Penggantian Mode: Sedangkan kepalaamp 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.
- Mode Turbo: From any mode, double-click the button to activate Turbo mode. Double-click again to return to the previous mode.
- Fungsi Memori: The D25S will remember the last used brightness level (excluding Turbo) and turn on in that mode.
7. Pemeliharaan
- Pembersihan: Bersihkan kepalalamp dengan lembut, damp kain. Jangan gunakan pembersih atau pelarut yang bersifat abrasif.
- Cincin-O: Periodically check and lubricate the O-rings with silicone grease to maintain water resistance. Replace damaged O-rings.
- Perawatan Baterai: Jika kepalaamp will not be used for an extended period, remove the battery to prevent leakage. Recharge batteries regularly to prolong their lifespan.
- Penyimpanan: Simpan kepalalamp di tempat yang sejuk dan kering jauh dari sinar matahari langsung.
8. Penyelesaian masalah
| Masalah | Kemungkinan Penyebab | Larutan |
|---|---|---|
| Kepalaamp tidak menyala | Low battery; Battery incorrectly installed; Loose tail cap; Faulty battery. | Charge battery; Reinstall battery with correct polarity; Tighten tail cap; Replace battery. |
| Output cahaya redup | Baterai lemah; Lensa kotor. | Charge battery; Clean the lens. |
| Pengisian daya tidak berfungsi | Cable not connected properly; Faulty cable or power source; Charging port obstructed. | Ensure secure connection; Try a different cable/power source; Clean charging port. |
| Kebocoran | 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. Spesifikasi
9.1 Sofirn HS21 Headlamp
| Fitur | Detil |
|---|---|
| Sumber Cahaya | LED (Spotlight, Floodlight, Red Light) |
| Output Maksimal | 2200 Lumens (Spotlight + Floodlight) |
| Panjang Gelombang Lampu Merah | 620 NM |
| Jenis Sakelar | Rotary Switch + Push Button |
| Pengisian daya | Isi Ulang USB-C |
| Rotasi | 130° Dapat Disesuaikan |
| Ukuran | 3.4x1.8x1.4 inci |
| Berat | £ 0.3 (termasuk baterai) |

Image 9: The Sofirn HS21 headlamp demonstrating its ultra-bright output and beam distance of up to 754 feet.
9.2 Sofirn D25S Headlamp
| Fitur | Detil |
|---|---|
| Sumber Cahaya | Lampu LED SST40 |
| Output Maksimal | 1200 lumen cahaya |
| Mode | Low, Medium 1, Medium 2, High, Turbo |
| Pengisian daya | Hidden USB-C Rechargeable |
| Fitur Khusus | Mode Memori |
10. Garansi dan Dukungan
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 weblokasi.





