ແນະນຳ
This manual provides detailed instructions for the setup, operation, and maintenance of your MMD KM40 Wireless Mechanical Keyboard. The KM40 is a versatile 40% layout keyboard featuring an aluminum shell, hot-swappable switches, and tri-mode connectivity (Bluetooth 5.0, 2.4G wireless, and wired Type-C). It supports QMK/VIA for extensive customization, offering a premium typing experience for both desktop and laptop users.

ຄໍາແນະນໍາການຕິດຕັ້ງ
Follow these steps to set up your MMD KM40 keyboard:
- Unboxing: Carefully remove the keyboard and all accessories from the packaging. The package includes the keyboard, an instruction manual, and a Type-A to Type-C data cable.
- ການສາກໄຟ: Before first use, connect the keyboard to a computer's USB port using the provided Type-A to Type-C cable for charging.
- ສຳຄັນ: Only use a standard computer USB port for charging. Do NOT use fast chargers or other non-computer USB chargers, as this may damage the battery or PCB and is not covered by warranty.
- Connection Mode Selection: The KM40 supports three connection modes:
- ແບບມີສາຍ: Connect the keyboard directly to your computer using the Type-C cable.
- ໂໝດໄຮ້ສາຍ 2.4G: Insert the 2.4G USB receiver (if included, typically stored in the keyboard) into your computer's USB port. The keyboard should automatically connect.
- ໂໝດ Bluetooth 5.0: The keyboard supports 3 Bluetooth channels. Refer to the operating instructions for pairing with your device.
- Hot-Swap Switches: The keyboard features full key hot-swap sockets, allowing you to easily change switches without soldering. Gently pull out the existing switch with a switch puller and insert a new compatible 3-pin or 5-pin mechanical switch.

ຄໍາແນະນໍາການດໍາເນີນງານ
ການເຊື່ອມຕໍ່
The MMD KM40 offers seamless switching between its three connection modes:
- Wired: Connect the USB-C cable to the keyboard and your device.
- 2.4G ແບບໄຮ້ສາຍ: Ensure the 2.4G receiver is plugged into your device. The keyboard will automatically connect.
- Bluetooth: The keyboard supports up to 3 Bluetooth devices. To pair, activate Bluetooth on your device and put the keyboard into pairing mode (refer to the specific key combination in the included physical manual for Bluetooth pairing). Select "MMD KM40" from your device's Bluetooth list.
Key Customization (QMK/VIA)
The MMD KM40 is compatible with QMK/VIA open-source firmware, allowing for extensive key remapping and macro creation. It features 44 keys and supports 10 programmable layers, offering up to 430 practical key values.


To utilize QMK/VIA, download the appropriate software from the official QMK/VIA webເວັບໄຊ. ຊອບແວນີ້ອະນຸຍາດໃຫ້ທ່ານເພື່ອ:
- ຕັ້ງຄ່າກະແຈແຕ່ລະອັນຄືນໃໝ່.
- ສ້າງ ແລະ ກຳນົດມາໂຄຣ.
- Configure lighting effects.
- Switch between different key layouts (layers).
ຜົນກະທົບແສງສະຫວ່າງ
The keyboard features 22 distinct lighting effects with 16.8 million RGB color options. Specific key combinations (usually involving the Fn key) are used to cycle through effects, adjust brightness, and change colors. Refer to the included physical instruction manual for detailed key commands for lighting control.
ບໍາລຸງຮັກສາ
ທໍາຄວາມສະອາດ
ເພື່ອຮັກສາປະສິດທິພາບ ແລະ ຮູບລັກສະນະຂອງແປ້ນພິມຂອງທ່ານ:
- Keycaps: Gently remove keycaps using a keycap puller. Clean them with a mild soap solution and water, then dry thoroughly before reattaching.
- ເນື້ອໃນແປ້ນພິມ: ໃຊ້ຜ້າແພທີ່ອ່ອນນຸ້ມ ງampened with a small amount of isopropyl alcohol to wipe down the aluminum shell. Avoid excessive moisture.
- ລະຫວ່າງກະແຈ: ໃຊ້ອາກາດບີບອັດເພື່ອເອົາຝຸ່ນແລະສິ່ງເສດເຫຼືອອອກຈາກລະຫວ່າງສະວິດ. ແປງຂະຫນາດນ້ອຍຍັງສາມາດຖືກນໍາໃຊ້.
ການດູແລຫມໍ້ໄຟ
ເພື່ອຍືດອາຍຸການໃຊ້ງານຂອງແບັດເຕີຣີ ແລະ ຮັບປະກັນການເຮັດວຽກທີ່ປອດໄພ:
- Always charge the keyboard using a standard computer USB port.
- Avoid using fast chargers or chargers with higher voltage/amperage than a standard USB port provides.
- ຢ່າປ່ອຍໃຫ້ແປ້ນພິມຢູ່ໃນອຸນຫະພູມທີ່ຮຸນແຮງ.
- ຖ້າເກັບຮັກສາແປ້ນພິມໄວ້ເປັນເວລາດົນ, ໃຫ້ສາກໄຟໃຫ້ປະມານ 50% ແລະເກັບຮັກສາໄວ້ໃນບ່ອນທີ່ເຢັນແລະແຫ້ງ.
ການແກ້ໄຂບັນຫາ
If you encounter issues with your MMD KM40 keyboard, consider the following common solutions:
- ແປ້ນພິມບໍ່ຕອບສະໜອງ:
- ໃຫ້ແນ່ໃຈວ່າແປ້ນພິມຖືກສາກ.
- ກວດເບິ່ງຮູບແບບການເຊື່ອມຕໍ່ (ສາຍ, 2.4G, Bluetooth) ແລະໃຫ້ແນ່ໃຈວ່າມັນກົງກັບການເຊື່ອມຕໍ່ຂອງອຸປະກອນຂອງທ່ານ.
- ສຳລັບໂໝດໃຊ້ສາຍ, ລອງໃຊ້ພອດ USB ຫຼື ສາຍອື່ນ.
- For 2.4G wireless, ensure the receiver is securely plugged in and try re-pairing if necessary (refer to the physical manual).
- For Bluetooth, ensure the keyboard is paired correctly and try re-pairing or switching to a different Bluetooth channel.
- ກະແຈບໍ່ໄດ້ລົງທະບຽນ:
- Check if the switch is properly seated in its socket. Gently press down on the switch.
- If a specific key is not working, try swapping the switch with a known working one to determine if the issue is with the switch or the PCB.
- ທຳຄວາມສະອາດສິ່ງເສດເຫຼືອຕ່າງໆອ້ອມສະວິດທີ່ໄດ້ຮັບຜົນກະທົບ.
- Lighting issues:
- Ensure the keyboard is powered on and not in a low-power state.
- Use the designated key combinations (Fn + keys) to cycle through lighting effects and adjust brightness.
- If using QMK/VIA, verify your lighting configurations.
- Software (QMK/VIA) issues:
- Ensure you are using the latest version of the QMK/VIA software.
- Verify that the keyboard is in the correct mode for firmware flashing or customization (refer to QMK/VIA documentation).
ຖ້າຂັ້ນຕອນເຫຼົ່ານີ້ບໍ່ສາມາດແກ້ໄຂບັນຫາໄດ້, ກະລຸນາອ້າງອີງເຖິງພາກສ່ວນການຮັບປະກັນ ແລະ ການສະໜັບສະໜູນເພື່ອຂໍຄວາມຊ່ວຍເຫຼືອເພີ່ມເຕີມ.
ຂໍ້ມູນຈໍາເພາະ

| ຄຸນສົມບັດ | ລາຍລະອຽດ |
|---|---|
| ວັດສະດຸຫຼັກ | GB Standard 6063 Aluminum Pure CNC Engraving |
| ສີທາງເລືອກ | Star Night Black, Starlight Silver, Pomegranate Red, Army Green, Cloud Mist White, Guifei Powder |
| ການປິ່ນປົວຜິວຫນ້າ | Anodic oxidation (for some colors), Electrophoresis (for others) |
| ປຸ່ມກົດ | 1.7mm Thicker 5-Side High-Content PBT Dye-Sublimation |
| Axis (Switches) | INK White, NP linear switch 45gf, INK Green |
| ຊຸດສຽງ | Poron Cotton + IXPE Switch Pad + PET Sound-Dampening Pad + Switch Base Cotton + Bottom Cotton + Anti-Static Film |
| ໂຄງສ້າງ | O-Ring Structure |
| ໂໝດການເຊື່ອມຕໍ່ | Bluetooth 5.0 (3-channel), 2.4G Wireless, Type-C Wired |
| ຄຸນສົມບັດ | QMK/VIA 44 Keys All Customizable |
| ແຜ່ນຈັດຕໍາແຫນ່ງ | Transparent Frosted PC Positioning Plate |
| PCB | Pure White 1.2mm PCB |
| ແລກປ່ຽນຮ້ອນ | Full key hot swap |
| ແບັດເຕີຣີ | 2000mAh |
| ການແກ້ໄຂຄົນຂັບ | QMK/VIA |
| ແສງໄຟ | 22 Lighting Effects, 16.8 Million RGB Colorful Lights |
| ອຸປະກອນເສີມ | Instruction Manual, Type-A to Type-C Data Cable |
| ຂະໜາດ | Length 235mm × Width 85mm × Height 20-28mm (excluding keycaps) |
| ນ້ຳໜັກ | ປະມານ. 0.62 ກິໂລ |
| ປະເພດການໂຕ້ຕອບ | USB |
| ຮູບແບບການດໍາເນີນງານ | ກົນຈັກ |
| ພາສາ | ພາສາອັງກິດ |
| ມາດຕະຖານແປ້ນພິມ | ແປ້ນພິມຂະໜາດນ້ອຍ |
| ຄໍາຮ້ອງສະຫມັກ | ເດັສທັອບ, ແລັບທັອບ |
| ປະເພດ | 2.4Ghz Wireless |
| ລວມແບັດເຕີຣີ | ແມ່ນແລ້ວ |

ການຮັບປະກັນແລະການສະຫນັບສະຫນູນ
ຂໍ້ມູນການຮັບປະກັນ
The MMD KM40 Wireless Mechanical Keyboard comes with a ຮັບປະກັນ 1 ປີ from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use. For quality issues during this period, please contact customer service for inspection and resolution.
ໝາຍເຫດ: Damage caused by improper charging (e.g., using non-computer USB chargers or fast chargers) is not covered under warranty.

ການຊ່ວຍເຫຼືອລູກຄ້າ
For any questions, technical assistance, or warranty claims, please contact the SUMREDA Keyboard Store customer service. Contact details can typically be found on your purchase receipt or the seller's store page.
User Tips
Here are some additional tips for an optimal experience with your MMD KM40 keyboard:
- Cosmetic Standards: Please note that minor manufacturing variations are normal. This includes up to 1mm flaws on the keyboard (pits, air holes, nicks, black spots, etc.), and about 5 flaws with size not exceeding 1mm. Slight scratches (width ≤1mm, length ≤5mm, quantity ≤3) and minor processing marks at joints are also considered normal.
- ຄວາມຖືກຕ້ອງຂອງສີ: Actual color and texture may vary slightly due to screen display, environmental lighting, and manufacturing processes.
- QMK/VIA Customization: Explore the full potential of QMK/VIA to personalize your keyboard layout and macros for improved workflow and gaming performance. Many online communities offer resources and custom keymaps for 40% keyboards.
- ການທົດລອງສະຫຼັບ: ເອົາ advantage of the hot-swap feature to try different mechanical switches and find the ones that best suit your typing preference.





