Keychron C3 Pro User manual

QUICK START GUIDE
1
Switch To The Right System
Please switch the keyboard to the
same system as your computer’s
operating system.
Press FN + CAPS to Switch Mac / Win
FN + CAPS
2
The VIA Key Remapping Soware
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

Not Happy
[e-mail]
The Layers
3
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.
The Backlight
4
Press FN + Q to change the lighng effect Press FN + TAB to turn the backlight on/off
FN + Q FN + TAB
Adjust The Backlight Brightness
5
Press FN + W to increase the backlight brightness Press FN + S to decrease the backlight brightness
FN + W FN + S
Acvate Siri / Cortana
6
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
Factory Reset
8
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.
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
7
Press FN + N to switch 6-key rollover/N-key rollover
FN + N