Introduzzjoni
This manual provides detailed instructions for the safe and efficient operation of your Nitecore NU25 400L Ultralight Rechargeable Headlamp. Please read this manual thoroughly before use to ensure proper functionality and to maximize the product's lifespan. The NU25 400L is designed for outdoor activities, offering multiple light sources and a lightweight design.
Kontenut tal-Pakkett
- Nitecore NU25 400L Headlamp
- Built-in 650mAh Li-ion Battery (pre-installed)
- Cable tal-Iċċarġjar tal-USB-C
- Faxxa tar-ras
Prodott Overview

Image: The Nitecore NU25 400L headlamp, featuring a compact black body with two main LED lenses and a smaller red LED. It is attached to a yellow and black elastic headband, designed for comfortable wear. The headband includes adjustable cords for a secure fit.
The Nitecore NU25 400L is an ultralight rechargeable headlamp equipped with dual beams (spotlight and floodlight) and a red light. It features a unibody optical lens system for uniform light distribution and is powered by a built-in 650mAh Li-ion battery, rechargeable via USB-C. Its compact and durable design makes it suitable for various outdoor activities.
Setup
1. Iċċarġjar tal-batterija
- Sib il-port tal-iċċarġjar USB-C fuq ir-rasamp.
- Qabbad il-kejbil USB-C provdut mar-rasamp and a USB power source (e.g., wall adapter, computer, power bank).
- During charging, the four power indicators will flash to show the charging status. When fully charged, all four indicators will glow steadily.
- A full charge typically takes approximately 1 hour and 20 minutes.
2. Twaħħil tal-Faxxa tar-Ras
- Thread the elastic headband through the attachment points on the headlamp parentesi.
- Adjust the length of the headband using the buckles to achieve a comfortable and secure fit around your head.
- The headband is designed to be dual-purpose, featuring reflective and glow-in-the-dark properties. It can also be detached for cleaning or to be used as a running headband.
Istruzzjonijiet Operattivi
1. Power Button and Mode Button
The NU25 400L features two distinct buttons for operation: the Power Button (larger, raised) and the Mode Button (smaller, recessed). These buttons are designed for easy one-handed operation.
2. Tixgħel/Jitfi
- Biex Tixgħel: Agħfas u żomm il-Buttuna tal-Qawwa għal madwar sekonda.
- Biex Tintefa: Press and hold the Power Button for approximately 1 second while the light is on.
3. Brightness Levels and Light Source Selection
Il-kapamp offers four brightness levels and three light sources (Spotlight, Floodlight, Red Light).
- White Light (Spotlight/Floodlight):
- When the light is on, short press the Mode Button to cycle through brightness levels: Low (Floodlight) → Medium (Floodlight) → High (Spotlight + Floodlight).
- To switch between Spotlight and Floodlight modes (when not in High), double-press the Power Button.
- Dawl aħmar:
- When the light is off, press and hold the Mode Button for approximately 1 second to directly access Red Light mode.
- While in Red Light mode, short press the Mode Button to cycle between Red Light Constant On → Red Light Slow Flash.
4. Special Modes (SOS, Location Beacon)
- When the light is off, double-press the Power Button to activate the SOS mod.
- While in SOS mode, short press the Mode Button to switch to Post Beacon mod.
- To exit special modes, short press the Power Button.
5. Lockout Mode
Lockout Mode prevents accidental activation of the headlamp, conserving battery life and preventing unintended light emission.
- To Activate Lockout Mode: When the light is off, press and hold both the Power Button and the Mode Button simultaneously for approximately 2 seconds until the headlamp teptip darba.
- To Deactivate Lockout Mode: While in Lockout Mode, press and hold both buttons simultaneously for approximately 2 seconds until the headlamp flashes once and then turns on.
6. Indikazzjoni tal-Enerġija
Il-kapamp features four power indicators to display the remaining battery level:
- 4 Indicators On: Madwar 75% - 100%
- 3 Indicators On: Madwar 50% - 75%
- 2 Indicators On: Madwar 25% - 50%
- 1 Indicator On: Below 25% (Recharge recommended)
Manutenzjoni
- Tindif: Imsaħ il-headlamp ġisem b'forma ratba, damp drapp. Evita li tuża tindif jew solventi li joborxu.
- Ħażna: Aħżen il-headlamp in a cool, dry place away from direct sunlight. For long-term storage, it is recommended to fully charge the battery every three months to maintain battery health.
- Reżistenza għall-Ilma: The NU25 400L is rated IP66, meaning it is protected against dust ingress and powerful water jets. It is not designed for submersion.
Issolvi l-problemi
- Kapamp ma jixgħelx:
- Check if the battery is charged. Connect to a USB-C power source to charge.
- Żgura l-headlamp is not in Lockout Mode. Deactivate Lockout Mode as described in the Operating Instructions.
- L-output tad-dawl huwa baxx:
- Il-livell tal-batterija jista' jkun baxx. Erġa' ċċarġja r-ras.amp.
- Kun żgur li l-lenti hija nadifa u ħielsa minn ostakli.
- Kwistjoni tal-iċċarġjar:
- Ivverifika li l-kejbil USB-C huwa konness sew mar-rasamp u s-sors tal-enerġija.
- Ipprova kejbil USB-C jew adapter tal-enerġija differenti.
Speċifikazzjonijiet
| Output Max | 400 Lumens |
| Distanza Massima tar-Raġġ | 64-il metru |
| Intensità Massima tar-Raġġ | 1029 cd |
| Max Runtime | 45 sigħat |
| Batterija | Mibnija 650mAh Li-ion Battery |
| Modi Speċjali | Location Beacon, SOS |
| Kulur tar-Raġġ | White Light, Red Light |
| Dimensjonijiet | 60.1mm x 36.8mm x 25mm (2.37" x 1.45" x 0.98") |
| Piż | 56 g (1.98 oz) |
| Klassifikazzjoni li ma jgħaddix ilma minnha | IP66 |
| Reżistenza għall-Impatt | 1 metru |
| Port tal-Iċċarġjar | USB-C |
| Materjal | Durable PC Material |
Garanzija u Appoġġ
Nitecore products are covered by a warranty. For detailed warranty information, please refer to the official Nitecore website or contact your local distributor. If you encounter any issues or require technical assistance, please contact Nitecore customer support through their official channels.