FL ESPORTS MK750 Mechanical Keyboard User Manual

: August 31, 2024
: FL-ESPORTS

Table of Contents

MK750 Mechanical Keyboard
Product Information
Specifications:
Product Usage Instructions:
Matters Need Attention:

MK750 Mechanical Keyboard

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Product Information

Specifications:

Model: MK750
Connectivity: 2.4G, Wired, Bluetooth
Compatibility: Windows, Mac, Android, IOS

Product Usage Instructions:

Switching Modes:

To switch between 2.4G, Wired, and Bluetooth modes:

Locate the toggle switch at the bottom of the keyboard.
Slide the switch to the desired mode – 2.4G, Wired, or
Bluetooth.

Volume Adjustment:

To adjust the volume:

Rotate the knob on the keyboard.
Turn left to decrease volume, turn right to increase
volume.
Press the knob to mute the volume.

FN Combination Keys:

Use the following FN key combinations for various functions:

FN+ESC / FN+Left WIN: Long press for 3 seconds
to restore factory mode or lock/unlock the WIN key.
FN+Right CTRL / FN+Right SHIFT / FN+DEL /
FN+UP/Down: Various functions related to backlight
control, device switching, and power saving mode.

System Model Specific Functions:

For Windows/Android and iOS/Mac systems, use the designated FN
key combinations for specific functions as listed in the
manual.

Matters Need Attention:

Be aware of low power mode indications and follow charging
instructions as mentioned in the manual to ensure proper
functioning of the keyboard.

FAQ (Frequently Asked Questions)

What should I do if the keyboard stops working due to low

battery voltage?

If the battery voltage drops below 3.1V, the keyboard may stop
working. In such a case, plug in the USB cable to charge the
keyboard until the voltage is above 3.1V to wake it up.

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K239_FLCMMK_MK750_FCC

MK750: 2.4G&WIRED&THREE MODE

Better for WIN

Tips : Quickly switch 2.4 /wired/Bluetooth mode by to le switch at the keyboard bottom. Tips: You can adjust the volume with the knob (left turn the volume to decrease, ri ht turn the volume to increase, press to mute).
*The above keycap layout is for reference only, please see the real product.

MK750: 2.4G&WIRED&THREE MODE

Better for MAC

control

option

command

option

Tips : Switch to MAC mode quickly with a to le 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
FN+ESC FN+Left WIN

Function description
Lon press for 3 seconds to restore factory mode Lock or unlock the WIN key

FN+Ri ht CTRL FN+Ri ht SHIFT FN+DEL FN+UP/Down
key FN+Left/Ri ht
key FN+Backspace
FN+1
FN+2
FN+3
FN+4
FN+ZXC FN+V FN+INS

Backli ht mode switch
Backli ht color switch
Go to static backli ht
Chan e backli ht bri htness, up o bri hter and down o darker
Chan e the backli ht speed, left o slow and ri ht o fast Query the battery power under mode. (only if the battery is powered separately)
Press to switch to device 1, and press for 3S to enter the pairin Press to switch to device 2, and press for 3S to enter the pairin Press to switch to device 3, and press for 3S to enter the pairin
Pressin FN combination key in 3seconds to enter 2.4G paired receiver mode
Backli ht customized key 1/2/3
Customized backli ht recordin save
Enter or exit the power savin mode

Windows_Android System model

Key
FN+F1 FN+F2 FN+F3 FN+F4 FN+F5 FN+F6 FN+F7 FN+F8 FN+F9 FN+F10 FN+F11 FN+F12 FN+I FN+O FN+P FN+Left ALT

Function description
Display bri htness Display bri htness + WIN+TAB ( Mission control ) WIN+E ( Turn on my computer ) Email Homepa e PREV Play Pause NEXT Mute Volume down Volume up PRTSC SCRLK PAUSE APP

IOS_MAC System model

Key

Function description

F1

Display bri htness –

F2

Display bri htness +

F3

Mission control

F4

Back to homepa e

F5

Default

F6

Default

F7

Play Pause

F9

Mute

F11

Volume down

F12

Volume up

CTRL

control

WIN

option

AIT

command

2.4Gwiredmode 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 don le, Lon press FN+ 4, and the reen li ht of the ESC key will flash three time/per second to search the receiver. After successful connection, the reen li ht will be off. When the paired don le cannot be found for 60s, the matchin code will be quit and all keys’ li ht will be extin uished. The keyboard re-connection needs 10s, at the same time the reen li ht of the ESC key will flash slowly, and the keyboard will o to sleep when the keyboard fails to connect back. After the re-connection is successful, the reen li ht of the ESC key will be off. When the keyboard is not used, the backli ht will be turned off after 120s, and the keyboard will fall asleep after 10min.
Wired mode:
Pull the switch to wired mode, and white li ht of the ESC key will flash for three seconds, then become the present backli ht effect.
mode:
Pull the switch to mode, the combination key for connection is 1, 2 and 3 three key. Lon press FN+1/2 /3 key for 3s to broadcast, short press alone to switch three devices. Press the combination key for 3s to enter the pairin state, and the blue li ht of the ESC key will flash three times/per second, after the pairin is successful, the blue li ht will be off. When the matchin device cannot be found in 60s, the pairin will be quit and all keys’ li ht will be extin uished, keyboard enter into sleep mode. The keyboard re- connection needs 10s, at which time the blue li ht of the ESC key will flash slowly, and the keyboard will o to sleep when the keyboard fails to connect back. After the re-connection is successful,the li ht of the ESC key become the present backli ht effect. When the keyboard is not used, the backli ht will be turned off after 120s, and the keyboard will fall asleep after 10min.
Char in mode:
When the USB cable is plu ed in, it means in char in mode when the blue li ht of the BACKSPACE key flash showly. When the volta e up to 4.2V, the li ht of the BACK key will become the present backlits effect which means the power has been fully char ed. (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

char e. (Note: When the battery volta e is lower than 3.1V, the keyboard will stop workin 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 li ht, and other keys no response, and prompt the suer to plu in the USB cable to char e to 3.1V above so keyboard could be waked up.)
Matters Need Attention:

1. 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.
2. When Connectin device, pay attention to the code indicator. The device can search for the keyboard only when the indicator is flashin quickly. If it is a slow flash state, representin 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 li ht flash to loosen, the equipment can normal search to the keyboard.
3. It is recommended to press the combination key FN+PGUP to enter the power- savin mode when the keyboard power is low, and the workin current decreases to about 12mA, which reatly increases the battery life.

Product Spec Data

Product Type: MK750 RGB dual system three mode mechanical keyboard

Product Size330mmcLx 142mmcWx 45mmcH

Total key number 82 keys

Switch lifespan>50 millions

Keyboard functionAll keys anti- hostin

Conduction Travel1.5mm~2.4mm

Workin volta e: 5V

Cable len th1.6 meters

Cable connector typeTYPE-C

Keyboard connector typeUSB2.0

Manufacturer: DONGGUAN FL ESPORTS ELECTRONICS CO.,LTD. Address: Buildin B,Wan wuzhou Industrial Zone,Shilon Town,
Don uan City,Guan don ,China Website: www.fl espor ts.com.

Official Website

It can enter the driver for settin (includin music rhythm, li ht adjustment, FN layer edits, sleep time, macro download, etc.) in wireless 2.4 mode (when workin in wired mode is preferred)

Software official download website: www.f l espor ts.com
FCC Caution: This device complies with part 15 of the FCC Rules. Operation is subject to the followin two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, includin interference that may cause undesired operation. Any chan es 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 di ital device, pursuant to Part 15 of the FCC Rules. These limits are desi ned to provide reasonable protection a ainst harmful interference in a residential installation. This equipment enerates, uses and can radiate radio frequency ener y and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no uarantee 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 turnin the equipment off and on, the user is encoura ed to try to correct the interference by one or more of the followin measures: — Reorient or relocate the receivin 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 eneral RF exposure requirement. The device can be used in portable exposure condition without restriction. FCC ID2A4V8-MK750

200x110mm

20240820

K239_FLCMMKMK750 FCC

200x660mm

V0

100g