1. Kirish
Welcome to the user manual for your new LTC NB681 Nimbleback Wired 65% Mechanical Keyboard. This guide provides detailed instructions on setting up, operating, maintaining, and troubleshooting your keyboard to ensure optimal performance and longevity. Please read this manual thoroughly before using the product.

Figure 1: LTC NB681 Nimbleback Wired 65% Mechanical Keyboard
Video 1: LTC NB681 65% Hot Swappable Keyboard Overview. Ushbu video umumiy ma'lumot beradiview of the keyboard's features and design.
Video 2: LTC Nimbleback NB681 Keyboard. This video showcases the keyboard's aesthetics and some functionalities.
2. Asosiy xususiyatlar
The LTC NB681 Nimbleback Keyboard is designed with a range of features to enhance your typing and gaming experience:
- Compact but Practical 65% Layout: Ultra-compact design with 68 keys, balancing functionality with space-saving. Includes practical arrow, navigation, and control keys.
- Issiq almashtiriladigan kalitlar: Features a hot-swap PCB, allowing free replacement of 3-pin/5-pin MX-style switches (e.g., Gateron, Kailh). Equipped with quiet linear red switches for nimble reactions and quiet typing.
- 2 USB 2.0 Ports and Type-C Wired Connection: Two built-in USB passthrough ports for connecting peripheral devices like a mouse or flash drive, or for charging mobile devices. The Type-C wired connection ensures high-speed and stable data transmission.
- Dynamic RGB Backlight: Offers 18 preset backlight modes with 5 adjustable brightness and flowing speed levels, providing gorgeous color schemes and reactive effects.
- Professional Software Support: Customize keypress combinations, assign macros, and personalize RGB lighting effects using the powerful LTC drive software. Compatible with Windows 7/8/10, iOS, and Mac systems.

Figure 2: Visual representation of key features including 68-keys, 2 USB ports, detachable Type-C cable, hot-swappable switch, ergonomic angle, RGB backlit, stand-alone arrow keys, and anti-ghosting.
3. Sozlash
Follow these steps to set up your LTC NB681 keyboard:
- Qutidan chiqarish: Carefully remove the keyboard and all accessories from the packaging. Ensure you have the keyboard, USB-C cable, and any included tools (e.g., keycap puller, switch puller).
- USB-C kabelini ulang: Plug the USB-C end of the provided cable into the Type-C port on the keyboard. Connect the other end (USB-A) to an available USB port on your computer.
- Dastlabki tan olish: Sizning kompyuteringiz kerakli drayverlarni avtomatik ravishda aniqlashi va o'rnatishi kerak. Bu bir necha daqiqa vaqt olishi mumkin.
- Joylashtirish: Place the keyboard on a stable, flat surface. You can adjust the typing angle using the foldable feet on the underside of the keyboard for ergonomic comfort.
- Dasturiy ta'minotni o'rnatish (ixtiyoriy, ammo tavsiya etiladi): For advanced customization, download the LTC drive software from the official LTC website. Install it on your Windows or Mac system to remap keys, assign macros, and customize RGB lighting.
Video 3: LTC NB681 Keyboard Unboxing! This video demonstrates the unboxing process and shows the included accessories.

Figure 3: Close-up of the keyboard's 2 built-in USB 2.0 passthrough ports and the detachable Type-C wired connection port.
4. Operating Your Keyboard
4.1 Asosiy funksiyalar
- Standart yozish: The keyboard functions as a standard QWERTY keyboard.
- Arrow, Navigation, and Control Keys: Despite its compact size, the NB681 includes dedicated arrow keys and essential navigation/control keys for convenience.
4.2 RGB orqa yorug'likni boshqarish
The NB681 features dynamic RGB backlighting with multiple customization options:
- O'zgartirish rejimlari: bosing Fn + \| (pipe key) to cycle through 18 preset backlight modes.
- Yorqinlikni sozlash: Foydalanish Fn + Yuqoriga strelka yorqinligini oshirish va Fn + Pastga strelka to decrease brightness (5 levels).
- Tezlikni sozlash: Foydalanish Fn + Chap strelka to decrease flowing speed and Fn + o'ngga strelka to increase flowing speed (5 levels).

4-rasm: Klaviatura namoyishiasing its dynamic 16.8 million RGB backlight with 19 modes and 5 brightness/speed levels.
4.3 Issiq almashtiriladigan kalitlar
The hot-swappable design allows you to easily change switches without soldering:
- Klaviatura qopqog'ini olib tashlash: Use the included keycap puller to gently remove the desired keycap.
- Kalitni olib tashlash: Use the included switch puller to carefully grip the switch and pull it straight up.
- Yangi kalitni joylashtiring: Align the pins of the new 3-pin or 5-pin MX-style switch with the holes on the PCB. Press firmly until it clicks into place.
- Klaviatura qopqog'ini almashtirish: Klaviatura qopqog'ini yangi kalitga qaytaring.

Figure 5: Close-up demonstrating the hot-swappable switch feature, allowing easy replacement of 3-pin or 5-pin mechanical switches.
Video 4: LTC NB681 Red Switch Keyboard Sound Test. This video provides an audio demonstration of the keyboard's red switches.
4.4 Professional Software Customization
The dedicated software allows for in-depth customization:
- Kalitni qayta tiklash: Change the function of any key to suit your preferences.
- Makro topshiriq: Create and assign complex macros for gaming or productivity tasks.
- RGB yoritish moslamasi: Design your own lighting effects, colors, and patterns beyond the preset modes.

Figure 6: Screenshot showing the professional software interface for customizing RGB backlight, remapping keys, and assigning macros.
5. Xizmat ko'rsatish
To'g'ri parvarishlash klaviaturangizning uzoq umr ko'rishini va ishlashini ta'minlaydi:
- Doimiy tozalash: Use a soft brush or compressed air to remove dust and debris from between the keycaps. For deeper cleaning, remove keycaps and wipe the surface with a slightly damp cloth. Ensure the keyboard is disconnected before cleaning.
- Switch Care: The hot-swappable design makes switch replacement easy if a switch becomes faulty or if you wish to try different switch types. Avoid excessive force when inserting or removing switches to prevent damage to the PCB sockets.
- Kabelni boshqarish: Keep the USB-C cable untangled and avoid sharp bends to prevent internal wire damage.
6. Muammolarni bartaraf qilish; nosozliklarni TUZATISH
If you encounter issues with your LTC NB681 keyboard, try the following steps:
- Klaviatura javob bermayapti:
- USB-C kabeli klaviatura va kompyuterga mahkam ulanganligiga ishonch hosil qiling.
- Klaviaturani kompyuteringizdagi boshqa USB portiga ulab ko'ring.
- Muammo klaviaturada yoki asl kompyuterda ekanligini aniqlash uchun klaviaturani boshqa kompyuterda sinab ko'ring.
- RGB chiroqlari ishlamayapti/noto'g'ri:
- Yorqinlik sozlamalarini foydalanib tekshiring Fn + Yuqori/pastga strelka.
- Cycle through different lighting modes using Fn + \|.
- If using the software, ensure the lighting profiles are correctly applied and the software is up to date.
- Keys Not Registering/Double Typing:
- This could indicate a faulty switch. Use the switch puller to remove the problematic switch and replace it with a spare or a known good switch.
- Kalitning rozetkaga to'liq o'rnatilganligiga ishonch hosil qiling.
- Software Not Recognizing Keyboard:
- Ensure the keyboard is connected directly to the computer (avoiding USB hubs if possible).
- Kompyuteringizni va dasturiy ta'minotni qayta ishga tushiring.
- Reinstall the LTC drive software.
If these steps do not resolve the issue, please contact LTC customer support for further assistance.
7. Texnik shartlar
| Xususiyat | Tavsif |
|---|---|
| Model raqami | NB681 |
| Tartib | 65% (68 ta tugmacha) |
| Ulanish | USB Type-C Wired |
| Kalitlar | Hot-Swappable (3-pin/5-pin MX-style compatible) |
| Orqa yorug'lik | RGB (18 preset modes, 5 brightness/speed levels) |
| USB orqali o'tish | 2 x USB 2.0 portlari |
| Moslik | Windows 7/8/10, iOS, Mac |
| Element og'irligi | 2 funt |
| O'lchamlari | 14.96 x 6.14 x 1.92 dyuym |
| Ishlab chiqaruvchi | LTC |

Figure 7: Comparison of the ultra-compact 68-key design with a full-size keyboard, highlighting its space-saving benefits.

Figure 8: Illustration of the ergonomic design with foldable feet for 10-degree and 5-degree typing angles, and anti-slip pads.
8. Kafolat va qo'llab-quvvatlash
For detailed warranty information and customer support, please refer to the official LTC websayt yoki sotib olish hujjatlari.
You can also find additional resources and a downloadable PDF user manual here: Rasmiy foydalanuvchi qo'llanmasi (PDF)
For more products and support, visit the LTC Store on Amazon.





