This user guide synthesizes the essential features and key shortcut combinations of QWERTYKEYS' 65% custom mechanical keyboard, the QK65 Mk3, helping users easily navigate controls, tri-mode pairing, and WebHID configurator settings. (※ For the full technical documentation, please consult the official manufacturer Notion manual linked below.)

🎛️ 1. Physical Control Knob & Mode Switching

QK65 Mk3 Smart Display and Physical Control Knob
📸 QK65 Mk3 top-right physical control knob and red crosshair LED detail close-up

The QK65 Mk3 allows users to seamlessly switch connection modes and OS key layouts by rotating the physical control knob located in the top-right corner.

1-1. OS Layout Switching (Windows ↔ Mac)

  • Turn knob to select either [Windows] or [Mac] layout option on screen.
  • Selecting Mac Mode: Swaps Win key to Cmd(Command) and Alt key to Opt(Option) automatically.
Dedicated Mac Custom Cmd Opt Keycaps
Dedicated Cmd / Opt keycaps provided for Mac users

1-2. Connection Mode Selection (Wired / 2.4G / Bluetooth)

  • Turn knob to choose your preferred connection mode on display:
    • 🔌 Wired: USB C-type cable mode
    • 📡 2.4G: 2.4GHz wireless USB receiver dongle mode
    • 📶 Bluetooth: Multi-device Bluetooth 1/2/3 mode

📡 2. Tri-Mode Connection Guide

QK65 Mk3 Side Port and Red Crosshair LED
Type-C port and power/connection status LED indicator

🔌 Wired Mode

  1. Connect USB Type-C cable to the keyboard top C-port.
  2. Turn physical knob to select [Wired] mode.

📡 2.4GHz Wireless Mode

  1. Plug the 2.4G USB receiver dongle into your PC/Mac.
  2. Rotate knob to select [2.4G] mode for instant pairing.

📶 Bluetooth Pairing (Bluetooth 1 / 2 / 3)

  1. Rotate knob to select [Bluetooth] mode.
  2. Press and hold Fn + Q (Device 1) / Fn + W (Device 2) / Fn + E (Device 3) for 3 seconds.
  3. When LED flashes, select [QK65 Mk3] on your device to pair.

⌨️ 3. QK65 Mk3 Fn Shortcut Table & Quick Guide

QK65 Mk3 Keyboard with Quick Start Guide
📸 Included physical Quick Start Guide sheet resting on the QK65 Mk3
Key Combo Function & Action Description
Hold Knob (3 sec) (or Fn+Backspace) Top-right Smart Display Screen ON / OFF
Fn + Win Windows Key Lock / Unlock (Gaming Protection)
Fn + Space Master RGB Backlight ON / OFF (Battery Saving)
Fn + Z Bottom/Side Matrix LED Strip ON / OFF
Fn + X / C Cycle RGB Pattern Modes (Previous / Next Effect)
Fn + V / B Cycle RGB Colors (Previous / Next Solid Color)
Fn + < / > RGB Brightness Control (Decrease / Increase)
Fn + ▲ / ▼ RGB Animation Speed Control (Slower / Faster)
Fn + ESC (Hold 3 sec) Factory Reset: Restores keymaps and settings to factory defaults

💻 4. Web Configurator (cfg.qwertykeys.com) Guide

Configure keyboard settings directly via Chrome or Edge browser without installing any software.

4-1. Device Access & Clock Synchronization

  1. Connect C-cable and turn knob to select [Wired] mode.
  2. Open Chrome, go to cfg.qwertykeys.com, and click [Connect].
  3. Navigate to ⚙️ Settings ➔ [Date & Time], click [Sync Time] at top-right to sync PC system clock.

4-2. Custom GIF & Video Upload Tips (172 x 320 px)

QK65 Mk3 Web Configurator Screen Display Settings (172x320 resolution)
📸 cfg.qwertykeys.com Web Configurator theme resolution (172x320 px) and video import screen

⚠️ Direct USB Connection Required for Screen Data Transfer:
Please connect the cable directly to a PC USB port rather than extension hubs to prevent data transfer errors or PCB chip damage.

❓ 5. Frequently Asked Questions (FAQ)

Q: Display turned off suddenly. How do I turn it back on?
👉 Long press the top-right physical control knob for 3 seconds to turn the screen ON/OFF. You can also adjust the Sleep Timeout under [Screen] in cfg.qwertykeys.com.

Q: How do I perform a Factory Reset?
👉 Press and hold Fn + ESC for 3 seconds until the LEDs flash.

🔗 Official Links:
• Official QWERTYKEYS QK65 Mk3 Notion Manual
• Official Web Configurator (cfg.qwertykeys.com)