1. Pengenalan
The Nitecore UT27 MCT Pro is a high-performance, lightweight headlamp designed for outdoor activities such as trail running, hiking, and camping. It features an 800-lumen output, dual power options, three color temperature modes, and a red light function for versatile illumination in various conditions.

Figure 1: Nitecore UT27 MCT Pro Headlamp.
2. Ciri-ciri Utama
- Output Cerah: Up to 800 lumens with a 183-yard beam distance.
- Pelbagai Suhu Warna: Features 3000K (warm light), 4500K (neutral white), and 6500K (cool white) for diverse environments.
- Mod Lampu Merah: Includes steady and flashing red light for night vision preservation and signaling.
- Pilihan Kuasa Dwi: Compatible with the included USB-C rechargeable HLB1500 battery pack and 3x AAA batteries.
- Reka bentuk ringan: Weighs only 2.61 oz (with headband and battery) for comfortable wear.
- Pembinaan Tahan Lama: IP66 waterproof rating and 1-meter impact resistance.
- Breathable Headband: Sweat-diverting and reflective for enhanced comfort and safety.
- Antara Muka Mesra Pengguna: Dual button operation for easy mode switching and power control.
3. Apa yang ada di dalam Kotak
- Nitecore UT27 MCT Pro Headlamp
- 2x Nitecore HLB1500 USB-C Rechargeable Battery Packs (Pro Edition)
- Kabel Pengecasan USB-C ke USB-C
- ikat kepala
- Karung Barang Meresap
- Pelekat Nitecore
4. Persediaan
4.1 Pemasangan Bateri
The UT27 MCT Pro offers dual power options: the included HLB1500 rechargeable battery pack or 3x AAA batteries.
- Open the 180-degree wide-opening battery compartment on the back of the headlamp.
- For HLB1500 Battery Pack: Insert the HLB1500 battery pack according to the polarity indicators.
- Untuk Bateri AAA: Masukkan 3x bateri AAA, memastikan kekutuban yang betul.
- Tutup petak bateri dengan selamat sehingga ia berbunyi klik pada tempatnya.

Figure 2: Dual Power Options (HLB1500 and AAA batteries).
4.2 Pelarasan Ikat Kepala
Adjust the breathable headband to fit comfortably and securely around your head. The silicone strip on the headband helps channel sweat away and keeps the headlamp di tempat.

Rajah 3: Headlamp worn by a user, demonstrating its lightweight and comfortable design.
5. Arahan Operasi
The UT27 MCT Pro features a dual-button interface for intuitive control.

Figure 4: W and Y Buttons on the headlamp.
5.1 Hidupkan/Mati Kuasa
- Untuk Menghidupkan: Press and hold either the 'W' (White) or 'Y' (Warm) button for 1 second.
- Untuk Mematikan: Press and hold either button for 1 second while the light is on.
5.2 White Light Modes (W Button)
The 'W' button controls the neutral white and cool white light modes.
- With the light off, press and hold the 'W' button for 1 second to turn on the neutral white light.
- Single press the 'W' button to cycle through brightness levels: Low (100lm) → Mid (280lm) → High (500lm).
- Double press and hold the 'W' button to switch between neutral white and cool white light.
- Double press either button rapidly to activate Turbo (800lm) mode.
5.3 Warm Light Modes (Y Button)
The 'Y' button controls the warm light mode.
- With the light off, press and hold the 'Y' button for 1 second to turn on the warm light.
- Single press the 'Y' button to cycle through brightness levels: Low (100lm) → Mid (280lm) → High (500lm).
- Double press either button rapidly to activate Turbo (800lm) mode.

Figure 5: Different Color Temperature Modes.
5.4 Red Light Mode
The red light mode is ideal for preserving night vision or for signaling.
- With the light off, double press either button to activate the red constant-on mode (10lm).
- Single press the button again to switch to red flashing mode.
- To turn off, press and hold either button for 1 second.

Figure 6: Red Light Mode.
5.5 Mod Penguncian
Lockout mode prevents accidental activation during transport or storage.
- Untuk mengunci: With the light off, press and hold both 'W' and 'Y' buttons simultaneously for 3 seconds. The headlamp will blink three times to indicate it is locked.
- Untuk Membuka Kunci: Press and hold both 'W' and 'Y' buttons simultaneously for 2 seconds. The headlamp will unlock and turn on.
6. Mengecas
The HLB1500 battery pack can be charged via its built-in USB-C port.
- Locate the USB-C charging port on the HLB1500 battery pack.
- Connect the provided USB-C charging cable to the battery pack and a power source (e.g., USB adapter, computer).
- The power indicator lights on the battery pack will show the charging status.
- Pengecasan selesai apabila semua lampu penunjuk menyala pekat.
7. Penyelenggaraan
- Pembersihan: Lap kepalaamp dengan lembut, damp kain. Elakkan pembersih atau pelarut yang melelas.
- Storan: Simpan kepalaamp in a cool, dry place. If storing for extended periods, remove AAA batteries to prevent leakage. For HLB1500 packs, charge them every 3 months to maintain battery health.
- Kalis air: Ensure the battery compartment is properly sealed to maintain the IP66 waterproof rating.
8. Aksesori
8.1 Diffusing Stuff Sack
The included diffusing stuff sack can transform your headlamp into a soft, even lantern for ambient lighting in a tent or camp.

Rajah 7: Headlamp used with Diffusing Stuff Sack as a lantern.
8.2 Multipurpose Clip
An attachable clip allows you to secure the headlamp to a hat brim, backpack strap, or other gear, offering flexible lighting options beyond wearing it on your head.

Figure 8: Multipurpose Clip for versatile attachment.
9. Spesifikasi
The following tables detail the performance specifications of the Nitecore UT27 MCT Pro headlamp when using either the HLB1500 Li-ion Battery Pack or 3x AAA batteries.
9.1 Using the HLB1500 Li-ion Battery Pack
| Standard FL1 | Turbo | tinggi | Pertengahan | rendah | Auxiliary Red Light (Constant-On) | Auxiliary Red Light (Flashing) |
|---|---|---|---|---|---|---|
| Output (Lumens) | 800 | 500 | 280 | 100 | 10 | 10 |
| Masa jalan | 2j 30min | 3j 30min | 6j 30min | 14j 30min | 21j | 42j |
| Jarak Pancaran | 168m | 140m | 104m | 68m | 7m | 7m |
| Intensiti Rasuk Puncak | 7,134cd | 4,958cd | 2,694cd | 994cd | 12cd | 12cd |
| Rintangan Kesan | 1m | |||||
| Kalis air | IP66 | |||||
Note: The stated data is measured by using the NITECORE HLB1500 Rechargeable Li-ion Battery Pack (1,500mAh) in accordance with the international flashlight testing standards ANSI/PLATO FL 1-2019, at an ambient temperature of 26°C (79°F) from the NITECORE Lab. The data may vary in real-world use due to different battery usage or 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 the optimal performance.
9.2 Using 3x AAA Batteries
| Standard FL1 | Turbo | tinggi | Pertengahan | rendah | Auxiliary Red Light (Constant-On) | Auxiliary Red Light (Flashing) |
|---|---|---|---|---|---|---|
| Output (Lumens) | 800 | 500 | 280 | 100 | 10 | 10 |
| Masa jalan | 2h | 2j 30min | 3h | 8j 30min | 15j | 30j |
| Jarak Pancaran | 168m | 140m | 104m | 68m | 7m | 7m |
| Intensiti Rasuk Puncak | 7,134cd | 4,958cd | 2,694cd | 994cd | 12cd | 12cd |
| Rintangan Kesan | 1m | |||||
| Kalis air | IP66 | |||||
Note: The stated data is measured by using 3x AAA alkaline batteries, in accordance with the international flashlight testing standards ANSI/PLATO FL 1-2019, at an ambient temperature of 26°C (79°F) from the NITECORE Lab. The data may vary in real-world use due to different battery usage or 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 the optimal performance.
10. Penyelesaian masalah
- Ketuaamp tidak dihidupkan: Ensure batteries are correctly installed and charged. Check if the headlamp is in lockout mode.
- Cahaya malap atau masa operasi yang singkat: Recharge the HLB1500 battery pack or replace AAA batteries. Clean battery contacts if necessary.
- Penukaran mod yang tidak konsisten: Ensure buttons are pressed firmly and correctly according to the operating instructions.
11. Produk Lebihview Video
Video 1: Perincian berakhirview of the Nitecore UT27 MCT Pro Headlamp, including its 3 color temperature beams and features, provided by Lumen Tactical.





