- The bluetooth switch is up to on, down to off. Turn on the switch, make sure the battery well connected to the daughterboard (this step already assembled),and the ribbon cable well connected with pcb,then you can find "LDN_BLE5_KB_0" bluetooth on your device.
- One bluetooth channel should connect one device(do not mix), for example, "LDN_BLE5_KB_0" connect your cellphone, then "LDN_BLE5_KB_1" should connect your computer.
- When you plug USB_C cable with the keyboard, then it will use as wired automatically. The bluetooth device "LDN_BLE5_KB_0"can not be found.
- The bluetooth PCB is only keymapped on LDN program. https://drive.google.com/drive/folders/1qwZFVxNp4NhV-cCV7RQdEgRyDGwc4C4z?usp=share_link
- LDN program only can keymap on windows,after keymap then it can take effect on Mac.
2.Why I can not connect bluetooth or find "LDN_BLE5_KB_0"?
(It is better to check the bluetooth by your cellphone first, if the cellphone check the bluetooth is ok, the computer can not connect,then it may matters the computer,the bluetooth adapater.) The bluetooth adapter should be 5.0-5.2
Check the problems step by step:
①Multiple connection channels paired to the same host result in bluetooth error.
Press FN( R_Ctrl) + PB to delete all pairing information bluetooth, also delete the pairing on your cellphone or computer if connected previous, and then to check if can find "LDN_BLE5_KB_0" on your cellphone. Make sure this two key can trigger first.
Layer 1
②Battery problem
Check the remaining battery power on your computer.
3.List of shortcuts
FN+Home=Turn on or off light
FN+PS=Switch Win//Mac mode
FN+F13=Play/Pause
FN+Page Up=Volume+
FN+Page Down=Volume-
FN+Delete=Mute
FN+PB=Delete all pairing information Bluetooth(only in bluetooth mode)
FN+F1=Switch to "LDN_BLE5_KB_0" bluetooth channel(only in bluetooth mode)
FN+F2=Switch to to "LDN_BLE5_KB_1" bluetooth channel(only in bluetooth mode)
FN+F3=Switch to to "LDN_BLE5_KB_2" bluetooth channel(only in bluetooth mode)
4.How to set the bluetooth sleep time?
5.How to Adjust the color or effect of the Caps Lock?
The light of caps light also can be controlled by this.
6.How to adjust the light brightness?
7.How do I set macro?
for example, I want to set one key that press it will “ctrl +P”
Set one key that show %
8.How to refresh the firmware and back to default setting?