1. Okwu mmalite
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. Ihe ngwugwu
The Nitecore NU25 MCT UL package includes:
- Nitecore NU25 MCT UL Headlamp
- USB-C ka USB-C USB chaja
- Elastic Cord Headband (Black)
- Akpa ihe na-agbasa
- Nitecore Sticker
3. Ntọala na ojiji mbụ
3.1. Charging the Headlamp
The NU25 MCT UL features a built-in rechargeable Lithium Ion battery.
- Locate the USB-C charging port on the side of the headlamp.
- 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. Ịhazi eriri isi
Isi okwuamp comes with an elastic cord headband for comfortable and secure fit.
- Debe isi isiamp n'isi gi.
- Adjust the elastic cord using the cord lock mechanism at the back to achieve a snug fit without being too tight.
- Isi okwuamp unit can be tilted up or down to direct the beam as needed.
4. Ntuziaka ọrụ
The NU25 MCT UL features a dual-button interface for intuitive control.
4.1. Power On/Off & Brightness Adjustment (White Light)
- Ka ịgbanwuo: 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).
- Ka ịhazie nchapụta: While the white light is on, short press the Power button to cycle through Ultra Low, Low, Mid, and High brightness levels.
- Iji gbanyụọ: Ogologo pịa bọtịnụ Ike maka 2 sekọnd.
4.2. Na-agbanwe agba okpomọkụ
Isi okwuamp 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. Red Light Ọnọdụ
The auxiliary red light is useful for preserving night vision and signaling.
- To turn on red light: Mgbe isiamp 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)
- To access special modes: Mgbe headlamp 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. Lockout Function
To prevent accidental activation during transport or storage:
- Ịkpọchi: Mgbe isiamp 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.
- Ka imeghe: 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. Atụmatụ igodo
- Nhazi Ultralight: 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.
- Mmepụta ihie dị elu: Up to 400 lumens with a maximum beam distance of 144 yards.
- USB-C enwere ike ịchaji: Integrated USB-C port for convenient and fast charging.
- Ihe owuwu na-adịgide adịgide: Crafted from robust PC material, rated IP66 for water and dust resistance, and impact-resistant up to 1 meter.
- Ìhè uhie inyeaka: Preserves night vision and provides signaling capabilities.
- Intuitive Dual-Button Interface: Easy operation for power, brightness, and mode selection.
- Ihe ngosi ike: Built-in indicator displays battery status.
6. Nka na ụzụ nkọwa
| Ụdị | Mpụta | Oge ịgba ọsọ | Ogologo Ogologo | Ọnụ ọgụgụ kasị elu Beam |
|---|---|---|---|---|
| Primary Light (Neutral White / Warm Light / Cool Light) | ||||
| Elu | 400 Lumen | 2:40 nkeji | 132m | 4381 cd |
| N'etiti | 200 Lumen | 5h | 94m | 2192 cd |
| Dị ala | 60 Lumen | 13h | 51m | 662 cd |
| Ultra dị ala | 6 Lumen | 45h | 13m | 43 cd |
| Ọkụ na-acha uhie uhie inyeaka | ||||
| Elu | 15 Lumen | 10h | -- | -- |
| Dị ala | 7 Lumen | 26h | -- | -- |
| Na-egbuke egbuke nwayọọ | 15 Lumen | -- | -- | -- |
| Ụdị Pụrụ Iche | ||||
| SOS | 400 Lumen | -- | -- | -- |
| Mgbama ọkụ | 400 Lumen | -- | -- | -- |
| Nguzogide mmetụta | 1m | |||
| Mmiri Nguzogide | 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. Nlekọta na nlekọta
- Hichaa isi isiamp body with a soft, damp cloth. Avoid abrasive materials.
- 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.
- Chekwaa isi isiamp n'ebe dị jụụ, kpọrọ nkụ na-adịghị na ìhè anyanwụ kpọmkwem na oke okpomọkụ.
8. Nchọpụta nsogbu
- Isiamp anaghị agbanye:
- 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).
- Mwepụta ọkụ adịghị ada ada ma ọ bụ ekwekọghị ekwekọ:
- The battery might be low; recharge the headlamp.
- Isi okwuamp may be in thermal regulation mode if it has been operating at high output for an extended period. Allow it to cool down.
- Ntinye mmiri:
- 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. Akwụkwọ ikike na nkwado ndị ahịa
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 websaịtị.
For technical support, service, or inquiries, please contact Nitecore customer service or your local distributor.
Manufacturer: Sysmax Innovation Co.
