FL ESPORTS MK750 Mechanical Keyboard User Manual
- August 31, 2024
- FL-ESPORTS
Table of Contents
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
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
PREV
F8
Play Pause
F9
NEXT
F10
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