Keychron C3 Pro User manual

C3 Pro Tenkeyless Mechanical Keyboard

Keychron C3 Pro Tenkeyless Mechanical Keyboard x 1
Type-C Cable x 1
Keycap Puller x1
Extra Keycaps Set x 1
Manual x 1
Quick Start Guide x 1
IN THE BOX:
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QUICK START GUIDE
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1
Switch To The Right System
The VIA Key Remapping Soware
Please switch the keyboard to the
same system as your computer’s
operating system.
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.
Your keyboard’s best friend
Press FN + CAPS to
Switch Mac / Win
FN + CAPS

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The Layers
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The Backlight
Press FN + Q to change the lighng effect Press FN + TAB to turn the backlight on/off
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There are four layers of key sengs on the
keyboard. The layer 0 and layer 1 are for the
Mac system. The layer 2 and layer 3 are for
the Windows system.
If your keyboard is switched
to Mac, then layer 0 will be
acvated.
If your keyboard is switched to Windows, then the
layer 2 will be acvated. Remember that if you are
using it in Windows mode, please make changes to
the layer 2 instead of the top layer (the layer 0).
This is a common mistake people are making.
FN + Q FN + TAB

Adjust The Backlight Brightness
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Acvate Siri / Cortana
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Press FN + W to increase the backlight brightness Press FN + S to decrease the backlight brightness
For Siri on Mac: Go to System preferences > Siri >
select “Hold Command Space” opon.
For Cortana on Windows: Select Start > Sengs > 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.
*Siri key only works on macOS and does not work on iOS.
Hold Command Space
WIN + C
FN + W FN + S

Factory Reset
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Press FN + N to switch 6-key rollover/N-key rollover
6-key rollover: the keyboard can detect up to 6 simultaneous key inputs.
N-key rollover: the keyboard can detect all key inputs without limit to
the number of key presses.
* The keyboard turns on the N-key rollover by default.
The Key Rollover
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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. Hold the ESC key* first and then plug the cable
in again.
④ Release the ESC key, and the keyboard will now enter DFU mode.
Please flash the firmware with QMK Toolbox.
⑤ Factory reset the keyboard again by pressing fn + J + Z (for 4 seconds).
Troubleshooting? Don’t know what’s going on with the keyboard?
Or hold the reset button under the space bar keycap.
FN + N

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C3 PRO TENKEYLESS MECHANICAL KEYBOARD SPECIFICATIONS
Specifications
Layout
Switch type
Width
Length
Keyboard feet
height
Angle
Front height
Back height
TKL
Mechanical
137.8 mm
364.6 mm
1.3 mm
4 / 6 / 8.7 degree
29.9 mm (without keycaps)
41.8 mm (with keycaps installed)
20.6 mm (without keycaps)
31.8 mm (with keycaps installed)

C3 PRO TENKEYLESS MECHANICAL KEYBOARD OVERVIEW
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① Caps Lock Indicator
② Mac Layout
③ Windows Layout
④ Type-C Port
④
Mac / Windows ① ② ③

DEFAULT KEY LAYOUT:
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LAYER 0: This layer will be acvated when your keyboard is switched to Mac.
Scr- Scr+
Le Shi
Le Ctrl Le
Opon
MO(1) Right Ctrl
Le
Command
Right
Command
Right Shi
Brght- Brght+ Prvs Play Next Mute Vol- Vol+ PS PB
Mission
Control
Launch
Pad

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LAYER 1: This layer will be acvated when your keyboard is switched to Mac and press the FN/MO(1) key.
BL
Toggle
BLCycle
Brght+
Brght-
Mac/Win
NKRO
F1 F3F2 F4 F6 F7 F8 F9 F10 F11 F12F5
BLCycle
SIRI

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LAYER 2: This layer will be acvated when your keyboard is switched to Windows.
LWin=Le Windows LAlt=Le Alt RAlt=Right Alt
F1 F3F2 F4 F6 F7 F8 F9 F10 F11 F12F5
Le Shi
Le Ctrl LWin LAlt RAlt MO(3) MENU Right Ctrl
Right Shi
PB
PS SL

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LAYER 3: This layer will be acvated when your keyboard is switched to Windows and press the FN/MO(3) key.
Brght+
Brght-
NKRO
BL
Toggle
BLCycle
BLCycle
Mac/Win
Cortana
Scr- Scr+
Brght- Brght+ Prvs Play Next Mute Vol- Vol+
Task
View
File
Explorer

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KEY DESCRIPTION
Scr-
Scr+
Bright-
Bright+
Prvs
Play
Next
Mute
Vol-
Vol+
BL Cycle
PS
SL
PB
mac/win
Backlight Cycle
Print Screen Sysrq
Scroll Lock
Pause Break
Mac/Windows Switch
Layer 1 will be activated
when holding this key
Turn Backlight on/off
Layer 2 will be activated
when holding this key
MO(1)
BL Toggle
MO(2)
Layer 3 will be activated
when holding this key
MO(3)
Layer 4 will be activated
when holding this key
MO(4)

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Certain multimedia keys or function keys do not work.
Funcons of certain mulmedia keys may be disabled due to compability, versions, brands,
and drivers of devices.
*Mulmedia keys:
Funcon keys:
Due to compability, versions, brands and drivers of Windows/Android OS, funcons of
third-party input tools may be affected while using the keyboard. Please make sure your operang
system and drivers are up to date.
Third-party input tools are not compable with the keyboard.
Safety Precauon:
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 -10°C (5°F) or above 50°C (131°F) to
preserve the lifespan of the keyboard and baery.

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C3 Pro 有线机械键盘

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Keychron C3 Pro 有线机械键盘 x 1
USB线 x 1
拔键器 x 1
赠送键帽套装 x 1
说明书 x 1
快速上手指南 x 1
内容清单

快速上手指南
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1、系统切换
2、关于VIA映射软件
Your keyboard’s best friend
请确保键盘切换到对应的系统，
如果没有选择正确，
部分功能将无法使用。
可以访问caniusevia.com
下载最新的VIA软件，
VIA是可以映射按键的软件。
如果VIA软件不能识别你的键盘，
请联系我们以获得技术支持。
组合FN+CAPS键，
切换Mac / Win 系统
FN + CAPS

3、关于键盘键层说明
4、更改键盘背光模式以及快速关闭/开启键盘背光
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键盘有四层按键设置。
层0和层1是用于Mac系统。
层2和层3是用于Windows系统。
组合FN+Q键，更改键盘背光模式 组合FN+TAB键，可快速关闭/开启键盘背光
如果您的键盘切换到Mac系统，
层0将被激活。
如果您的键盘切换到Windows系统，
那么层2将被激活。
如果您在Windows系统模式下使用，
请对层2进行更改，而不是层0，
否则无法进行按键映射操作。
FN + Q FN + TAB

5、调整键盘背光亮度
6、设置 Siri 和 Cortana
Mac: 系统偏好设置>>Siri>>选择“长按Command-空格键”
*Siri功能只适用于macOS, 不适用于iOS。
Windows: 选择 开始>>设置>>Cortana, 选择 Windows 键加C键的快捷键组合。
*Cortana 功能只适用于 Windows 10 和更新的系统；另外因为地区的不同，功能也会不同。
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长按Command-空格键
组合FN+W键，提高键盘背光亮度 组合FN+S键，减少键盘背光亮度
FN + W FN + S
WIN + C