User Manual
MK750 Mechanical Keyboard
Better for WIN
MK750: 2.4G&WIRED&THREE MODE
*Tips : Quickly switch 2.4g/wired/Bluetooth mode by toggle switch at the keyboard bottom.
Tips: You can adjust the volume with the knob (left turn the volume to decrease, right turn the volume to increase, press to mute).
*The above keycap layout is for reference only, please see the real product.
Better for MAC
MK750: 2.4G&WIRED&THREE MODE
* Tips : Switch to MAC mode quickly with a toggle switch at the keyboard bottom.
*The above keycap layout is for reference only, please see the real product.
FN combination keys manual
COMMON PART
| Key | Function description |
| FN+ESC | Long press for 3 seconds to restore factory mode |
| FN+Left WIN | Lock or unlock the WIN key ( DS MAC System automatically unlocked ) |
| FN+Right CTRL | Backlight mode switch |
| FN+Right SHIFT | Backlight color switch |
| FN+DEL | Go to static backlight |
| FN+UP/Down key |
Change backlight brightness, up go brighter and down go darker |
| FN+L eft/ R ight key |
Change the backlight speed, left go slow and right go fast |
| FN+ Back space | Query the battery power under mode. (only if the battery is powered separately) |
| FN+1 | Press to switch to device 1, and press for 3S to enter the pairing |
| FN+2 | Press to switch to device 2, and press for 3S to enter the pairing |
| FN+3 | Press to switch to device 3, and press for 3S to enter the pairing |
| FN+4 | Pressing FN combination key in 3seconds to enter 2.4G paired receiver mode |
| F N+Z\X\C | Backlight customized key 1/2/3 |
| FN+V | Customized backlight recording save |
| FN+INS | Enter or exit the power saving mode |
Windows_Android System model
| Key | Function description |
| FN+F1 | Display brightness – |
| FN+F2 | Display brightness + |
| FN+F3 | WIN+TAB ( Mission control ) |
| FN+F4 | WIN+E ( Turn on my computer) |
| FN+F5 | |
| FN+F6 | Homepage |
| FN+F7 | PREV |
| FN+F8 | Play \ Pause |
| FN+F9 | NEXT |
| FN+F10 | Mute |
| FN+Fll | Volume down |
| FN+F12 | Volume up |
| FN+I | PRTSC |
| FN+0 | SCRLK |
| FN+P | PAUSE |
| FN + Left ALT | APP |
IOS_MAC System model
| Key | Function description |
| Fl | Display brightness – |
| F2 | Display brightness + |
| F3 | Mission control |
| F4 | Back to homepage |
| F5 | Default |
| F6 | Default |
| F7 | PREV |
| F8 | Play \ Pause |
| F9 | NEXT |
| F10 | Mute |
| F11 | Volume down |
| F12 | Volume up |
| CTRL | control |
| WIN | option |
| A IT | command |
2.4G\wired\mode indicator description
2.4G mode:
Pull the switch to 2.4G mode, factory has paired receiver 1 to 1 okay, but if you need re-pair the dongle, Long press FN+ 4, and the green light of the ESC key will flash three time/per second to search the receiver. After successful connection, the green light will be off. When the paired dongle cannot be found for 60s, the matching code will be quit and all keys’ light will be extinguished. The keyboard re-connection needs 10s, at the same time the green light of the ESC key will flash slowly, and the keyboard will go to sleep when the keyboard fails to connect back. After the re-connection is successful, the green light of the ESC key will be off. When the keyboard is not used, the backlight will be turned off after 120s, and the keyboard will fall asleep after 10min.
Wired mode:
Pull the switch to wired mode, and white light of the ESC key will flash for three seconds, then become the present backlight effect.
mode:
Pull the switch to mode, the combination key for connection is 1,2 and 3 three key. Long press FN+1/2 13 key for 3s to broadcast, short press alone to switch three devices. Press the combination key for 3s to enter the pairing state, and the blue light of the ESC key will flash three times/per second, after the pairing is successful, the blue light will be off. When the matching device cannot be found in 60s, the pairing will be quit and all keys’ light will be extinguished, keyboard enter into sleep mode. The keyboard reconnection needs 10s, at which time the blue light of the ESC key will flash slowly, and the keyboard will go to sleep when the keyboard fails to connect back. After the re-connection is successful, the light of the ESC key become the present backlight effect. When the keyboard is not used, the backlight will be turned off after 120s, and the keyboard will fall asleep after 10min.
Charging mode:
When the USB cable is plugged in, it means in charging mode when the blue light of the BACKSPACE key flash showily. When the voltage up to 4.2V, the light of the BACK key will become the present backlist effect which means the power has been fully charged. (Only could check the status of battery under&2.4G mode)
Low power mode:
When the power is less than 20%, the BACKSPACE key will alternately flash red color to prompt the user to charge. (Note: When the battery voltage is lower than 3.1V, the keyboard will stop working directly, and can not be waked up. At this time, when you click any key, will only have the BACKSPACE key flash and with red light and other keys no response, and prompt the sure to plug in the USB cable to charge to 3.1V above so keyboard could be waked up.)
Matters Need Attention:
- When is broadcast, two names “5.0KB” and “3.0KB” will be displayed at the same time if the receiver is version 4.0 or above. In this case, “5.0KB” will be preferred for connection. When the receiver version of the device is below 4.0, only one name “3.0KB” will be displayed. Only “3.0KB” can be selected to connect.
- When Connecting device, pay attention to the code indicator. The device can search for the keyboard only when the indicator is flashing quickly. If it is a slow flash state, representing the keyboard in the state to back connect (At this point, the device cannot search for the keyboard), you need to press the code combination one more time (FN+1 or 2 or 3), see the light flash to loosen, the equipment can normal search to the keyboard.
- It is recommended to press the combination key FN+PGUP to enter the power-saving mode when the keyboard power is low, and the working current decreases to about 12mA, which greatly increases the battery life.
Product Spec Data
Product Type: MK750 RGB dual system three mode mechanical keyboard
Product Size: 330mm (L) x 142mm (W) x 45mm (H)
Total key number: 82 keys
Keyboard function: All keys anti-ghosting
Working voltage: 5V
Cable connector type: TYPE-C
Switch lifespan: >50 millions
Conduction Travel: 1.5mm-2.4mm
Cable length: 1.6 meters
Keyboard connector type: USB2.0
Manufacturer: DONGGUAN FL ESPORTS ELECTRONICS CO.,LTD.
Address: Building B, Wangwuzhou Industrial Zone, Shilong Town, Dongguan City, Guangdong, China
Website: www.flesports.com.
It can enter the driver for setting (including music rhythm, light adjustment, FN layer edits, sleep time, macro download, etc.) in wireless 2.4g mode (when working in wired mode is preferred)
Software official download website: www.flesports.com
FCC Caution:
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:
- This device may not cause harmful interference, and
- 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, pursuant 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 will 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. FCC ID: 2A4V8-MK750
Documents / Resources
 |
Corsair MK750 Mechanical Keyboard [pdf] User Manual 2A4V8-MK750, 2A4V8MK750, MK750 |