How To Use My EC66
EC66 Manual（Wirelesss version）
https://drive.google.com/file/d/1WHemPQNinthkMXOG3WUcS0YuZABCD_v6/view?usp=sharing
How To Adjust Backlight
Press FN+\ =change light mode
Switch between 14 different light modes
Press FN+Backspace=BackIight off
Press FN+P= Change light color
Bluetooth Pairing
Turn on the power switch located on the back of the keyboard, press FN+Q/W/E to enter Bluetooth mode (Q/W/E Blue light blinks slowly),
then press FN+Q/W/E for 3 seconds to start connecting to device(Q/W/E Blue light blinks rapidly).
After connecting, Q/W/E blue light blinks no more.
Press FN+Q/W/E to switch between 3 devices connected via Bluetooth.
System support: If your device do not support Bluetooth 5.0, please choose BT 3.0 KB to pair with instead of BT 5.0 KB.
2.4GHz Wireless Mode Pairing
Turn on the power switch located on the back of the keyboard, press FN+R to enter 2.4GHz wireless mode, then press FN+R for 3 seconds to start connecting to device( R Green light blinks rapidly). After connecting, R green light blinks no more.
Before packaging, the pairing process is complete, no need to pair for use.
Wired Mode
Before using in wired mode, user should press FN+T to enter wired mode.
Meaning Of Some Key’s Light Blinking/lighting On
Left Ctrl( Green light on )= Battery is charging Left Ctrl( Red light blinks slowly )= Low battery
Press FN+Y for 3 seconds=Remaining Battery Indicates(From numer key 0-1 represents 100%-1 0%).
Q/W/E( Blue light blinks slowly )= Bluetooth mode
Q/W/E( Blue light blinks rapidly )= Bluetooth mode pairing
R( Green light blinks slowly)= 2.4GHz wireless mode
R( Green light blinks rapidly )= 2.4GHz wireless mode pairing