1. Introduzzjoni
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. Kontenut tal-Pakkett
The Nitecore NU25 MCT UL package includes:
- Nitecore NU25 MCT UL Headlamp
- USB-C għal USB-C Charging Cable
- Elastic Cord Headband (Black)
- Xorta ta' affarijiet li jxerrdu
- Stiker tan-Nitecore

3. Twaqqif u l-Ewwel Użu
3.1. Iċċarġjar tar-Rasamp
The NU25 MCT UL features a built-in rechargeable Lithium Ion battery.
- Sib il-port tal-iċċarġjar USB-C fuq il-ġenb tar-ras.amp.
- Iftaħ l-għatu protettiv tal-port USB-C.
- 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. Aġġustament tal-Faxxa tar-Ras
Il-kapamp comes with an elastic cord headband for comfortable and secure fit.
- Poġġi l-headlamp fuq rasek.
- Adjust the elastic cord using the cord lock mechanism at the back to achieve a snug fit without being too tight.
- Il-kapamp unit can be tilted up or down to direct the beam as needed.

4. Istruzzjonijiet Operattivi
The NU25 MCT UL features a dual-button interface for intuitive control.

4.1. Power On/Off & Brightness Adjustment (White Light)
- Biex tixgħel: 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).
- Biex taġġusta l-luminożità: While the white light is on, short press the Power button to cycle through Ultra Low, Low, Mid, and High brightness levels.
- Biex titfi: Agħfas fit-tul il-buttuna Power għal 2 sekondi.
4.2. Changing Color Temperature
Il-kapamp 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. Modalità Dawl Aħmar
The auxiliary red light is useful for preserving night vision and signaling.
- To turn on red light: Meta l-headlamp 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: Filwaqt li l-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. Funzjoni ta' Lockout
To prevent accidental activation during transport or storage:
- Biex tissakkar: Meta l-headlamp is off, simultaneously press and hold both the Power and Mode buttons for 2 seconds. The headlamp se jteptep darba biex jindika li huwa msakkar.
- Biex nisfruttaw: 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. Karatteristiċi ewlenin
- Disinn 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.
- Output ta 'luminożità għolja: Up to 400 lumens with a maximum beam distance of 144 yards.
- USB-C Rechargeable: Integrated USB-C port for convenient and fast charging.
- Kostruzzjoni Durabbli: Crafted from robust PC material, rated IP66 for water and dust resistance, and impact-resistant up to 1 meter.
- Dawl Awżiljarju Aħmar: Preserves night vision and provides signaling capabilities.
- Intuitive Dual-Button Interface: Easy operation for power, brightness, and mode selection.
- Indikatur tal-Enerġija: Built-in indicator displays battery status.


6. Speċifikazzjonijiet Tekniċi
| Modalità | Output | Runtime | Distanza tar-raġġ | L-intensità tar-raġġ tal-quċċata |
|---|---|---|---|---|
| Primary Light (Neutral White / Warm Light / Cool Light) | ||||
| Għoli | 400 Lumens | 2h 40min | 132m | 4381cd |
| Mid | 200 Lumens | 5h | 94m | 2192cd |
| Baxx | 60 Lumens | 13h | 51m | 662cd |
| Ultra Baxxa | 6 Lumens | 45h | 13m | 43cd |
| Dawl Aħmar Awżiljarju | ||||
| Għoli | 15 Lumens | 10h | -- | -- |
| Baxx | 7 Lumens | 26h | -- | -- |
| Teptip Bil-mod | 15 Lumens | -- | -- | -- |
| Modi Speċjali | ||||
| SOS | 400 Lumens | -- | -- | -- |
| Xempju | 400 Lumens | -- | -- | -- |
| Reżistenza għall-Impatt | 1m | |||
| Reżistenza għall-Ilma | 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. Kura u Manutenzjoni
- Naddaf il-headlamp ġisem b'forma ratba, damp drapp. Evita materjali li joborxu.
- Kun żgur li l-għatu tal-port USB-C ikun magħluq sew meta ma jkunx qed jiċċarġja biex iżżomm ir-reżistenza għall-ilma.
- Recharge the battery regularly, even if not in use, to prolong battery life. Avoid fully depleting the battery for extended periods.
- Aħżen il-headlamp f'post frisk u niexef 'il bogħod mid-dawl tax-xemx dirett u temperaturi estremi.
8 Issolvi l-problemi
- Kapamp ma jixgħelx:
- 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).
- L-output tad-dawl huwa baxx jew inkonsistenti:
- The battery might be low; recharge the headlamp.
- Il-kapamp may be in thermal regulation mode if it has been operating at high output for an extended period. Allow it to cool down.
- Dħul tal-ilma:
- 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. Garanzija u Appoġġ għall-Klijent
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 websit.
For technical support, service, or inquiries, please contact Nitecore customer service or your local distributor.
Manufacturer: Sysmax Innovation Co.





