FEKER K75
Product User Manual
This manual provides comprehensive instructions for the FEKER K75 customizable three-mode mechanical keyboard.
ONE: Key Combination Function
The following table details the key combination functions for Windows (WIN) and macOS (MAC) systems.
| Function | WIN | Single-click on the MAC system | MAC |
|---|---|---|---|
| Restore to factory settings | Fn+ESC | Restore to factory settings | Restore to Factory Settings |
| Multimedia functions | Fn+F1 | Decrease monitor brightness | F1 |
| Decrease volume | Fn+F2 | Increase monitor brightness | F2 |
| Increase volume | Fn+F3 | Tile and expand multiple windows of the current activity | F3 |
| Mute | Fn+F4 | Directly enter the main page of the referenced application | F4 |
| Previous track | Fn+F5 | Decrease keyboard backlight brightness | F5 |
| Next track | Fn+F6 | Increase keyboard backlight brightness | F6 |
| Play/Pause | Fn+F7 | Previous track | F7 |
| Stop | Fn+F8 | Play/Pause | F8 |
| Fn+F9 | Next track | F9 | |
| Webpage | Fn+F10 | Mute | F10 |
| My Computer | Fn+F11 | Decrease volume | F11 |
| Calculator | Fn+F12 | Increase volume | F12 |
| SCRLK | Fn+U | SCRLK | |
| PAUSE | Fn+I | PAUSE | |
| INS | Fn+O | INS | |
| PARTSC | Fn+Y | PARTSC | |
| Windows lock | Fn+L_Win | \ | |
| Onboard Layer 1 | Fn+Z | Onboard Layer 1 | |
| Onboard Layer 2 | Fn+X | Onboard Layer 2 | |
| Onboard Layer 3 | Fn+C | Onboard Layer 3 | |
| Battery Level Check (Wireless Mode) | Fn+Spacebar: Pressing Fn + Spacebar illuminates number keys 1 to 0, representing battery levels from 10% to 100%. For example, one illuminated key indicates 10% battery, two illuminated keys indicate 20% battery. | ||
TWO: Connection Mode Key Combinations and Connection Methods
The FEKER K75 supports three connection modes: Bluetooth, 2.4G Wireless, and Wired.
1. Bluetooth Mode
a. To turn on Bluetooth, switch the mode toggle to the right.
b. To enter pairing mode, press and hold the Fn + 1/2/3 combination keys for 3 seconds. The indicator lights for 1/2/3 will flash rapidly. After connecting to a device, these lights will remain on for 3 seconds.
c. If pairing fails, the indicator lights will turn off, and the keyboard will enter sleep mode.
Connection Diagram Description (Bluetooth): A computer icon is shown connected wirelessly to a Bluetooth symbol, which is then connected to the FEKER K75 keyboard.
2. 2.4G Mode
a. To activate 2.4G mode, switch the mode toggle to the right and press and hold the Fn + 4 combination keys for 3 seconds.
b. The indicator light will flash rapidly. Insert the 2.4G receiver into your device. Pairing is successful when the indicator light stops flashing.
c. Pairing mode will exit after 30 seconds. If no paired device is found, the indicator light will turn off, and the keyboard will enter sleep mode.
Connection Diagram Description (2.4G): A computer icon is shown connected to a USB receiver, which is then connected to the FEKER K75 keyboard.
3. Wired Mode
To use the keyboard in wired mode, switch the mode toggle to the left (OFF state).
Connection Diagram Description (Wired): A computer icon is shown connected to a USB cable, which is then connected to the FEKER K75 keyboard.
THREE: Keyboard Backlight Settings
The following table outlines the key combinations for controlling the keyboard's backlight.
| Function | WIN | MAC |
|---|---|---|
| Light mode switch | Fn+\ | Light mode switch |
| Single-color light switch | Fn+Backspace | Single-color light switch |
| Turn on/off backlight | Fn+Enter | Turn on/off backlight |
| Increase backlight brightness | Fn+↑ | Increase backlight brightness |
| Decrease backlight brightness | Fn+↓ | Decrease backlight brightness |
| Reduce backlight speed | Fn+← | Reduce backlight speed |
| Increase backlight speed | Fn+→ | Increase backlight speed |
FOUR: Knob & Screen Settings
The keyboard features a multi-functional knob and a screen for enhanced control and information display.
Knob Functions:
- Rotating the knob adjusts volume (volume+/volume-).
- Pressing the knob pauses or plays media.
- Pressing and holding the knob (along with the Fn key) enters screen control mode.
Screen Functions: The screen can display various information:
- Standby Screen: Displays weather temperature and CPU usage. (See Image 1 description)
- Connection Mode: Shows the current connection status (wired, Bluetooth, 2.4G). (See Image 2 description)
- Backlight Control: Allows adjustment of backlight mode, speed, and brightness. (See Image 3 description)
- Screensaver: When the keyboard is in sleep mode, it displays a clock screensaver. (See Image 4 description)
Image Descriptions:
- Image 1 (Standby Screen): Depicts the FEKER logo, current time "13:14", date "2023/05/20 星期六" (Saturday), "Charging" status, and system information "Temperature 29°C CPU 06%".
- Image 2 (Connection Mode Screen): Shows icons for wired, Bluetooth, and 2.4G connection modes, along with the status "Link".
- Image 3 (Backlight Color Screen): Displays a selection of colors and icons related to keyboard backlight settings, labeled "Light Color" (灯光颜色).
- Image 4 (Screensaver): Presents a classic analog clock face with hour, minute, and second hands.
