1. Utangulizi
This manual provides detailed instructions for the Nitecore NU25 MCT UL 400 Lumen Ultralight USB-C Rechargeable Headlamp. Please read thoroughly before use to ensure proper operation and maintenance.
2. Yaliyomo kwenye Kifurushi
The Nitecore NU25 MCT UL package includes:
- Nitecore NU25 MCT UL Headlamp
- USB-C kwa Kebo ya kuchaji ya USB-C
- Elastic Cord Headband (Black)
- Gunia la Mambo ya Kueneza
- Kibandiko cha Nitecore
3. Kuanzisha na Matumizi ya Kwanza
3.1. Kuchaji Kichwaamp
The NU25 MCT UL features a built-in rechargeable Lithium Ion battery.
- Tafuta mlango wa kuchaji wa USB-C upande wa kichwa cha habariamp.
- Open the protective cover of the USB-C port.
- Connect the included USB-C charging cable to the headlamp and a power source (e.g., USB adapter, computer USB port).
- The power indicator lights will show charging status. A full charge typically takes approximately 1 hour.
- Once fully charged, disconnect the cable and securely close the protective cover to maintain water resistance.
3.2. Kurekebisha Kichwa
Kichwaamp comes with an elastic cord headband for comfortable and secure fit.
- Weka kichwaamp kichwani mwako.
- Adjust the elastic cord using the cord lock mechanism at the back to achieve a snug fit without being too tight.
- Kichwaamp unit can be tilted up or down to direct the beam as needed.
4. Maagizo ya Uendeshaji
The NU25 MCT UL features a dual-button interface for intuitive control.
4.1. Power On/Off & Brightness Adjustment (White Light)
- Ili kuwasha: Long press the Power button (larger button) for 2 seconds. The headlamp will turn on in the last used white light mode (or low neutral white by default).
- Ili kurekebisha mwangaza: While the white light is on, short press the Power button to cycle through Ultra Low, Low, Mid, and High brightness levels.
- Ili kuzima: Bonyeza kwa muda mrefu kitufe cha Nguvu kwa sekunde 2.
4.2. Kubadilisha Joto la Rangi
Kichwaamp offers multiple color temperatures for the primary white light.
- While the white light is on, short press the Mode button (smaller button) to cycle through Warm White (3000K), Neutral White (4500K), and Cool White (6500K).
4.3. Hali ya Mwanga Mwekundu
The auxiliary red light is useful for preserving night vision and signaling.
- To turn on red light: Wakati kichwaamp is off, long press the Mode button for 2 seconds. It will turn on in Low Red.
- To adjust red light brightness/mode: While the red light is on, short press the Power button to cycle through Low Red, High Red, and Red Flashing.
- To turn off red light: Long press the Mode button for 2 seconds.
4.4. Special Modes (SOS, Beacon)
- Ili kufikia njia maalum: Wakati kichwaamp is off, double press the Mode button. It will activate SOS mode.
- To cycle through special modes: While in SOS mode, short press the Power button to switch to Beacon mode.
- To exit special modes: Long press the Power button or Mode button for 2 seconds.
4.5. Kazi ya Kufungia nje
To prevent accidental activation during transport or storage:
- Kufunga: Wakati kichwaamp is off, simultaneously press and hold both the Power and Mode buttons for 2 seconds. The headlamp will flash once to indicate it is locked.
- Ili kufungua: Simultaneously press and hold both the Power and Mode buttons for 2 seconds. The headlamp will flash once and turn on in Ultra Low mode.
5. Sifa Muhimu
- Muundo wa Mwanga wa Juu: Weighing only 1.65 oz (47g) with the elastic cord, designed for maximum comfort during extended use.
- Multiple Color Temperatures (MCT): Offers Warm (3000K), Neutral (4500K), and Cool (6500K) white light options to suit various environments and preferences.
- Pato la Mwangaza wa Juu: Up to 400 lumens with a maximum beam distance of 144 yards.
- USB-C Inayoweza Kuchajiwa tena: Integrated USB-C port for convenient and fast charging.
- Ujenzi wa kudumu: Crafted from robust PC material, rated IP66 for water and dust resistance, and impact-resistant up to 1 meter.
- Mwangaza Mwekundu: Preserves night vision and provides signaling capabilities.
- Intuitive Dual-Button Interface: Easy operation for power, brightness, and mode selection.
- Kiashiria cha Nguvu: Built-in indicator displays battery status.
6. Maelezo ya kiufundi
| Hali | Pato | Muda wa kukimbia | Umbali wa Boriti | Upeo wa Kiwango cha Beam |
|---|---|---|---|---|
| Primary Light (Neutral White / Warm Light / Cool Light) | ||||
| Juu | 400 Lumens | Saa 2 dakika 40 | 132m | 4381 cd |
| Kati | 200 Lumens | 5h | 94m | 2192 cd |
| Chini | 60 Lumens | 13h | 51m | 662 cd |
| Chini Zaidi | 6 Lumens | 45h | 13m | 43 cd |
| Taa Nyekundu Msaidizi | ||||
| Juu | 15 Lumens | 10h | -- | -- |
| Chini | 7 Lumens | 26h | -- | -- |
| Kumulika Polepole | 15 Lumens | -- | -- | -- |
| Njia Maalum | ||||
| SOS | 400 Lumens | -- | -- | -- |
| Beacon | 400 Lumens | -- | -- | -- |
| Upinzani wa Athari | 1m | |||
| Upinzani wa Maji | IP66 | |||
Note: Stated data is measured using the built-in 700mAh Li-ion battery (3.85V) in accordance with international flashlight testing standards ANSI/PLATO FL 1-2019 at an ambient temperature of 22°C (72°F) from the NITECORE Lab. The data may vary in real-world use due to different environmental conditions.
This product is equipped with a thermal protection function, which automatically regulates the output of the product according to the working condition to maintain optimal performance.
7. Matunzo na Matengenezo
- Safisha kichwaamp mwili wenye laini, damp kitambaa. Epuka nyenzo za abrasive.
- Ensure the USB-C port cover is securely closed when not charging to maintain water resistance.
- Recharge the battery regularly, even if not in use, to prolong battery life. Avoid fully depleting the battery for extended periods.
- Hifadhi kichwaamp mahali pa baridi, kavu mbali na jua moja kwa moja na joto kali.
8. Utatuzi wa shida
- Vichwaamp si kuwasha:
- Check if the battery is charged. Connect to a USB-C power source.
- Ensure the lockout function is not activated (simultaneously press both buttons for 2 seconds to unlock).
- Utoaji wa mwanga ni hafifu au hauendani:
- The battery might be low; recharge the headlamp.
- Kichwaamp may be in thermal regulation mode if it has been operating at high output for an extended period. Allow it to cool down.
- Kuingia kwa maji:
- Ensure the USB-C port cover is properly sealed. If water has entered, turn off the device immediately and allow it to dry completely before attempting to use it again. Contact customer support if issues persist.
9. Udhamini na Usaidizi wa Wateja
The Nitecore NU25 MCT UL headlamp comes with a limited warranty. For specific warranty terms and conditions, please refer to the warranty card included in your package or visit the official Nitecore webtovuti.
For technical support, service, or inquiries, please contact Nitecore customer service or your local distributor.
Manufacturer: Sysmax Innovation Co.
