Nitecore NU25 - Page 3

Lockout / Unlock
 When the headlamp is off, long press both buttons for 2 seconds until the headlamp flashes 3 times to indicate
access to the Lockout Mode. In the Lockout Mode, any brightness levels or special modes are unavailable, and
the headlamp will flash once to indicate this status when pressing either button.
 When in the Lockout Mode, long press both buttons for 2 seconds again until the ULTRALOW is on to indicate
the unlock status.
Note: The NU25 / NU25 UL will be automatically unlocked when charged in the Lockout Mode.
Power Indication
When the light is off, short press the MODE Button, and the corresponding power indicators next to the MODE Button
will be on and go off after 2 seconds.
Note: The battery should be recharged when the output appears to be dim or the headlamp becomes unresponsive
due to low power.
Warnings
1. CAUTION! Possible dangerous radiation! Don't look into the light! May be dangerous for your eyes.
2. DO NOT disassemble or modify the headlamp as doing so will cause damage to it and render the product
warranty invalid. Please refer to the warranty section in the manual for complete warranty information.
3. When the product is kept in the backpack, please activate the Lockout Mode to prevent accidental activation.
4. Please recharge the product every 3 months when left unused for a prolonged time.
Warranty Service
All NITECORE
®
products are warranted for quality. Any DOA / defective product can be exchanged for a replacement
through a local distributor/dealer within 15 days of purchase. After that, all defective / malfunctioning NITECORE
®
products can be repaired free of charge within 24 months from the date of purchase. Beyond 24 months, a limited
warranty applies, covering the cost of labor and maintenance, but not the cost of accessories or replacement parts.
The warranty will be nullified if
1. the product(s) is/are broken down, reconstructed and/or modified by unauthorized parties;
2. the product(s) is/are damaged due to improper use.
For the latest information on NITECORE
®
products and services, please contact a local NITECORE
®
distributor or send
an email to service@nitecore.com
※ All images, texts and statements specified herein this user manual are for reference purposes only. Should any
discrepancy occur between this manual and information specified on www.nitecore.com, Sysmax Innovations Co., Ltd.
reserves the rights to interpret and amend the content of this document at any time without prior notice.
Status of Indicators Power Level
4 Constant-on Approx. 100%
3 Constant-on Approx. 75%
2 Constant on Approx. 50%
1 Constant on
Approx. 25% (Please charge
the product as soon as
possible)