Keychron C2 Pro Full Size Mechanical Keyboard User Guide

October 30, 2023
Keychron

C2 Pro Full Size Mechanical Keyboard

IN THE BOX:

Keychron C2 Pro Full Size Mechanical Keyboard x 1
Type-C Cable x 1
Manual x 1
Quick Start Guide x 1
Extra Keycaps Set x 1

QUICK START GUIDE

If you are a Windows user, please find the appropriate keycaps in the box, then follow the instructions below to find and replace the following keycaps.

Keychron C2 Pro Full Size Mechanical

  1. Switch To The Right System
    Please make sure the system toggle on the top left corner has been switched to the same system as your computer’s operating system.
    Keychron C2 Pro Full Size Mechanical - system

  2. The VIA Key Remapping Software
    Please visit caniusevia.com to download the latest VIA software to remap the keys. If the VIA software cannot recognize your keyboard, please reach out to our support to get the instruction.

  3. The Layers
    There are four layers of key settings on the If keyboard. The layer O and layer 1 are for the Mac system. The layer 2 and layer 3 arc for a the Windows system.
    If your system toggle is switched to Mac, then the layer O will be activated.
    If your system toggle is switched to Windows. then the layer 2 will be activated. Remember that if you arc using it in Windows mode. please make changes to the layer 2 instead of the top layer ( the layer O) This is a common mistake  people are making.

  4. The Backlight
    Keychron C2 Pro Full Size Mechanical - backlight

  5. Adjust The Backlight Brightness
    Keychron C2 Pro Full Size Mechanical - brightness

  6. Activate Siri / Cortana
    For Siri on Mac: Go to System preferences > Siri> select “Hold Command Space” option.
    Siri key only works on mac0OS and does not work on i0OS
    Keychron C2 Pro Full Size Mechanical - sriFor Cortana on Windows: Select Start > Settings > Cortana and select the shortcut by pressing Windows key + C key.
    Windows Cortana is only available for Windows 10 and above OS. Cortana is only available in certain countries regions and might not work everywhere
    Keychron C2 Pro Full Size Mechanical - cortana

  7. Watch The Building Tutorial On Our Website
    If you are building the keyboard for the first time, we highly recommend you watch the building tutorial video on our website first, then start building the keyboard yourself.

  8. Factory Reset
    Keychron C2 Pro Full Size Mechanical - rest button

Troubleshooting? Don’t know what’s going on with the keyboard?

  1. Plug in the power cable and factory reset the keyboard by pressing fn + J + Z (for 4 seconds).

  2. Download the right firmware and QMK Toolbox from our website.

  3. Unplug the power cable and remove the space bar keycap to find the reset button on the PCB.
    Hold the reset key first, then plug in the power cable. Release the reset key, and the keyboard will now enter DFU mode.

  4. Flash the firmware with the QMK Toolbox.

  5. Factory reset the keyboard again by pressing fn +J + Z (for 4 seconds).

  • Step by step guide can be found on our website.

C2 PRO FULL SIZE MECHANICAL KEYBOARD SPECIFICATIONS

Specifications

Layout| Full Size
Switch type| Mechanical
Width| 129.3 mm
Length| 433.5 mm
Front height| 17 mm (without keycaps)
27.1 mm (with keycaps installed)
Back height| 28 mm (without keycaps)
37.4 mm (with keycaps installed)
Keyboard feet
height| 2mm
Angle| 4.8 I 8.5 I 10.7 degree

C2 PRO FULL SIZE MECHANICAL KEYBOARD OVERVIEW

Keychron C2 Pro Full Size Mechanical - overview

  1. Num Lock Indicator
  2. Caps Lock Indicator
  3. Mac Layout
  4. Windows Layout
  5. Win/Android Mac/iOS (OS Toggle Switch)
  6. Type-C Port

DEFAULT KEY LAYOUT:

LAYER 0: This layer will be activated when your keyboard’s system toggle is switched to Mac. Keychron C2 Pro Full Size Mechanical -
defult

LAYER 1: This layer will be activated when your keyboard’s system toggle is switched to Mac and press the fn/MO(1) key. Keychron C2 Pro Full Size
Mechanical - defult 2

LAYER 2: This layer will be activated when your keyboard’s system toggle is switched to Windows. Keychron C2 Pro Full Size Mechanical - defult
3

LWin=Left Windows LAlt=Left Alt RAlt=Right Alt RWin=Right Windows

LAYER 3: This layer will be activated when your keyboard’s system toggle is switched to Windows and press the fn/MO(3) key. Keychron C2 Pro Full Size
Mechanical - defult 4

KEY DESCRIPTION

Key Description

Ser-| Screen Brightness Decrease
Scr+| Screen Brightness Increase
Bright-| Backlight Decrease
Bright+| Backlight Increase
Prvs| Previous
Play| Play/Pause
Next| Next
Mute| Mute
Vol­| Volume Decrease
Vol+| Volume Increase
RGBToggle| Turn Backlight on/off
RGBMd+| RGB Mode Next
RGBMd­| RGB Mode Previous
Hue+| Hue Increase
Hue-| Hue Decrease
RGB SPI| RGB Speed Increase
RGB SPD| RGB Speed Decrease
MO(1)| Layer 1 will be activated when holding this key
M0(2)| layer 2 will be activated when holding this key
MO(3)| Layer 3 will be activated when holding this key
M0(4)| Layer 4 will be activated when holding this key

Third-party input tools are not compatible with the keyboard.
Due to compatibility, versions, brands and drivers of Windows/Android OS, functions of third-party input tools may be affected while using the keyboard. Please make sure your operating system and drivers are up to date.
Certain multimedia keys or function keys do not work.
Functions of certain multimedia keys may be disabled due to compatibility, versions, brands, and drivers of devices.

Multimedia keys:
Function keys:

Safety Precaution:
Keep the product, accessories and packaging parts out of the reach of children to prevent any accidents and choking hazards.
Always keep the product dry to avoid corrosion.
Do not expose the product to extreme temperatures below -10C (5F) or above 50°( (131 °F) to preserve the lifespan of the keyboard and battery.

Keychron, Inc.
Dover, DE 19901, United States
Find us at:
https://www.keychron.com
Support@keychron.com
@keychron
@keychron
@keychronMK
Designed by Keychron
Made in China

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