Mechanical keyboard
User Manual
R75PRO Mechanical keyboard
FCC WARNING:
This device complies with part 15 of the FCC Rules, Operation is subiect to the following two conditions:
(1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment
Note: This equipment has been tested and found to comply with the limits for a Class B digital device, poursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications, However, there is no guarantee that interference wil not occur in
a particular installation.
If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.
WHEN USING A KEYBOARD:
- Maintain proper posture and avoid excessive force on the keys.
- Take regular breaks to prevent hand fatigue.
- Clean the keyboard regularly to remove dust and dirt.
- Avoid exposing the keyboard to liquids.
- Keep the keyboard in a suitable environment, free from extreme temperatures or humidity.
Remember these tips for a comfortable and durable keyboard experience.
GUARANTEE
Non-human damage
12-month warranty
PRODUCT BASIC
 | Manual Size 323(L)x 142.3(W)x41.63(H)±2 |
 | Switch and Keycaps Puller Backlight Monochrome/RGB |
 | Keyboard Version USB/2.4G/BT |
 | USB Type-c cable Layout 80keys |
 | 2.4G Dongle Switch Mechanical switches |
INDICATOR LIGHTS/KNOB FUNCTION
WIRED MODE
Recommend: Using 5V 1A Rated power to charge keyboard
BT CONNECTIVITY
Place the switch to “B” side.
Short press Fn+Q/WI/E to change BT channel.
Long press Fn+Q/WIE entry pairing mode.
Turn on the bluetooth of computer/phone/other devices, find and link to the keyboard whose name on the list shows as R75Pro.
2.4G CONNECTIVITY
Place the switch to “G” side.
Short press Fn+P to change 2.4 channel.
If the P key flickers slowly, it indicates that your device is successfully linked to the computer. (Kinder reminder: The receiver is factory paired and does not need to bepaired again.)
BATTERY REMINDER
In BT 2.4G mode, Press and hold Fn+Enter toview the batteryevelindicator
For Example:
The backlight is bright, indicating that the keyboard is 10% of the power at this time
Tha backlight is on at the same time, indicafing that thekeyboard is 20% of the power at this time
Simitarly
The backlight is on at the same time, indicating that thekeyboard power is 100% at this time
DFU MODE
There are two methods to enter dfu mode (development Firmware upgrade) on the keyboard:
Method 1: Press and hold the switch located under the space bar, and then connect the keyboard to the computer.
Method 2: Connect the keyboard to the computer first, and then simultaneously short press Fr + Right Shift + Esc.
These methods allow you to activate the DFU mode on the keyboard, enabling firmware upgrades and development functionalities.
The keyboard can support VIA drivers: https://usevia.app/
BACKLIGHT CONTROL
In USB mode, the backlight brightness is brightest by default
In wireless mode, the backlight is slightly dimmer by default
SECONDAEY COMBINATION FUNCTION KEYS
ISED STATEMENT:
This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada’s licence-exempt RSS(s).
Operation is subject to the following two conditions:
- This device may not cause interference.
- This device must accept any interference, including interference that may cause undesired operation of the device.
The digital apparatus complies with Canadian CAN ICES-3 (B)/NMB-3(B).
This device meets the exemption from the routine evaluation limits in section 2.5 of RSS 102 and compliance with RSS 102 RF exposure, users can obtain Canadian information on RF exposure and compliance.
This equipment complies with Canada radiation exposure limits set forth for an uncontrolled environment.
BATTERIES:
A warning that batteries (battery pack or batteries installed) shall not be exposed to excessive heat such as sunshine, fire or the light.
- Replacement of a battery with an incorrect type that can defeat a safeguard;
- Disposal of a battery into fire or a hot oven, or mechanically crushing or cutting of a battery, that can result in an explosion;
- Leaving a battery in an extremely high temperature surrounding environment that can result in an explosion or the leakage of flammable liquid or gas;
- A battery subjected to extremely low air pressure that may result in an explosion or the leakage of flammable liquid or gas.
GUARANTEE
Non-human damage
12-month warranty
CUSTOM BACKLIGHT SET
MULTIMEDIA KEYS FOR WINDOWS
Windows system(Fn + A: switch to Windows system)
MULTIMEDIA KEYS FOR MAC
MAC system (Fn + S: switch to Mac system)
Have an issue with one of our RK products?
Feel free to contact us with any product issues or questions.
We will reply as quickly as possible to ensure all your needs are handled.
For better technical support, please contact rkgaming@rkgaming.com
Executive standard:GB/T 14081-2010
Made in China
www.rkgaming.com
Download Driver Address:
www.rkgaming.com/Download/1/
166-85201-01
Documents / Resources
 | RK R75PRO Mechanical keyboard [pdf] User Manual R75PRO, 2A4MQ-R75PRO, 2A4MQR75PRO, R75PRO Mechanical keyboard, R75PRO, Mechanical keyboard, keyboard |