1. Introduction
The NuPhy Halo75 V2 is a 75% layout mechanical gaming keyboard designed for versatility and performance. It features a durable aluminum alloy top shell, vibrant RGB backlighting, and multiple connectivity options to suit various computing environments. This manual provides detailed instructions for setting up, operating, and maintaining your keyboard.
Image: The NuPhy Halo75 V2 keyboard in white with colorful keycaps, showcasing its compact 75% layout and sleek design.
2. Package Contents
Before you begin, please ensure all items are present in the package:
- NuPhy Halo75 V2 Mechanical Gaming Keyboard
- USB Cable (for wired connection and charging)
- Keycap Puller
- User Manual (this document)
Image: The retail packaging for the NuPhy Halo75 V2 keyboard, indicating the product inside.
3. Setup and Initial Connection
The Halo75 V2 offers three connection modes: USB-C wired, 2.4GHz wireless, and Bluetooth. Choose the mode that best suits your needs.
3.1. USB-C Wired Connection
- Locate the USB-C port on the keyboard.
- Connect one end of the provided USB-C cable to the keyboard.
- Connect the other end of the USB-C cable to an available USB port on your computer.
- The keyboard will be automatically recognized and ready for use.
3.2. 2.4GHz Wireless Connection
- Locate the 2.4GHz wireless receiver (dongle) typically found in a compartment on the keyboard or in the packaging.
- Plug the 2.4GHz receiver into an available USB port on your computer.
- Switch the keyboard's mode selector to 2.4GHz.
- The keyboard should automatically connect. If not, press the Fn key + the 2.4GHz key (usually indicated by a wireless icon) to initiate pairing.
3.3. Bluetooth Connection
The Halo75 V2 can connect to up to four Bluetooth devices simultaneously.
- Switch the keyboard's mode selector to Bluetooth.
- To enter pairing mode, press and hold Fn + 1 (for Bluetooth device 1), Fn + 2 (for Bluetooth device 2), Fn + 3 (for Bluetooth device 3), or Fn + 4 (for Bluetooth device 4) for 3-5 seconds until the indicator light flashes rapidly.
- On your device (computer, tablet, or smartphone), open Bluetooth settings and search for "NuPhy Halo75 V2".
- Select the keyboard to pair. The indicator light on the keyboard will become solid when connected.
- To switch between paired Bluetooth devices, simply press Fn + 1/2/3/4 corresponding to the desired device.
Image: Diagram illustrating the three connectivity options: 2.4GHz, Bluetooth, and USB-C, highlighting the keyboard's versatility.
4. Operation
4.1. RGB Backlighting and Halolight
The Halo75 V2 features customizable RGB backlighting and a unique "Halolight" surrounding light strip at the bottom. Use the following key combinations to control lighting effects:
- Fn + \ |: Cycle through backlight effects.
- Fn + [ {: Decrease backlight brightness.
- Fn + ] }: Increase backlight brightness.
- Fn + ; :: Decrease backlight speed.
- Fn + ' ": Increase backlight speed.
- Fn + Left Arrow: Cycle through Halolight effects.
- Fn + Right Arrow: Cycle through Halolight colors.
Image: The NuPhy Halo75 V2 keyboard displaying its vibrant RGB backlighting and the illuminated Halolight strip along the bottom edge.
Image: The keyboard on a desk setup, demonstrating its compatibility with SignalRGB software for advanced lighting customization.
4.2. QMK/VIA Customization
The Halo75 V2 supports open-source QMK/VIA firmware, allowing for extensive customization of key mappings, macros, and lighting. To utilize QMK/VIA:
- Download the VIA software from the official VIA website (www.caniusevia.com).
- Connect your keyboard via USB-C.
- Launch the VIA software. The keyboard should be automatically detected.
- You can now remap keys, create macros, and customize lighting effects through the intuitive graphical interface.
Image: A close-up of the keyboard on a desk, with text overlay indicating "QMK/VIA SUPPORT" and "The keys on the keyboard can be customized," demonstrating its programmability.
4.3. Battery and Power Management
The Halo75 V2 is equipped with a 4000mAh battery. Battery life varies depending on lighting usage:
- Working Time (all lights on): 9-91 hours
- Working Time (homing bars only): 140-200 hours
- Working Time (all lights off): Up to 307 hours
To charge the keyboard, connect it via the USB-C cable to a powered USB port. The indicator light will show charging status.
5. Maintenance
5.1. Cleaning the Keyboard
To maintain optimal performance and appearance, regularly clean your keyboard:
- Disconnect the keyboard from all power sources.
- Use a soft, lint-free cloth slightly dampened with water or a mild cleaning solution to wipe the keycaps and frame.
- For dust and debris between keycaps, use compressed air.
- Avoid using harsh chemicals or abrasive materials.
5.2. Hot-Swapping Switches
The Halo75 V2 features hot-swappable switches, allowing you to change switches without soldering. This model comes with Raspberry (46gf) linear switches. To replace a switch:
- Gently pull the keycap off the switch using the provided keycap puller.
- Use a switch puller (not included, but commonly available) to carefully grip the top and bottom clips of the switch.
- Pull the switch straight up to remove it from the PCB.
- Align the pins of the new switch with the holes on the PCB. Ensure the pins are straight to avoid bending.
- Press the new switch firmly into place until it clicks.
- Reattach the keycap.
Image: A detailed view of the Raspberry 46gf Linear Switch, showing its components and a force-travel diagram, illustrating the hot-swappable nature of the keyboard.
Image: A composite image highlighting various features including "Hot-Swappable" with a close-up of a switch being removed, demonstrating the ease of switch replacement.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Keyboard not responding (Wired) | Loose cable connection, faulty USB port. | Ensure USB-C cable is securely connected. Try a different USB port or cable. |
| Keyboard not responding (Wireless) | Low battery, incorrect mode, pairing issue, receiver not plugged in. | Charge the keyboard. Ensure the mode switch is set to 2.4GHz or Bluetooth. Re-pair the keyboard (see Section 3). Ensure 2.4GHz receiver is properly inserted. |
| RGB lighting not working | Lighting turned off, brightness set to minimum. | Press Fn + \ | to cycle effects. Increase brightness using Fn + ] }. |
| Keys not registering or double-typing | Loose or faulty switch. | Carefully remove the keycap and switch (see Section 5.2). Reinsert the switch firmly, ensuring pins are straight. If the issue persists, replace the switch. |
| Bluetooth connection unstable | Interference, distance from device, low battery. | Ensure no strong wireless interference. Move keyboard closer to the device. Charge the keyboard. Try re-pairing. |
7. Specifications
| Feature | Detail |
|---|---|
| Model | Halo75V2 |
| Layout | 75% (83 Keys) |
| Dimensions (L x W x H) | 125.2 x 44.88 x 7.28 inches |
| Weight | 1.74 pounds |
| Connectivity | Bluetooth, 2.4GHz Wireless, USB-C Wired |
| Compatible Operating Systems | macOS, Windows, Linux, Android, iOS |
| Battery Capacity | 4000mAh |
| Polling Rate | 1000Hz (Wired & 2.4GHz modes) |
| Backlighting | RGB (with Halolight) |
| Special Features | Hot-Swappable Switches, QMK/VIA Support, Ergonomic, Programmable Keys |
| Included Switches (this variant) | Raspberry (46gf) Linear Switch |
Image: A technical diagram illustrating the precise dimensions and weight of the NuPhy Halo75 V2 keyboard.
8. Warranty and Support
NuPhy products are designed for durability and performance. For warranty information and technical support, please refer to the official NuPhy website or contact their customer service. Keep your purchase receipt for warranty claims.
Official NuPhy Website: nuphy.com
