Setting Introduction
Before entering the setting, please long press the lock button "
" three seconds to unlock other buttons.
Press setting button "
" to entering setting state，and the screen will show as following：
(The setting program will jump in turn, please follow the instructions to set in turn.)
Setting 1：Key tone ON/OFF
Under unlock state, press setting button "
" to enter setting state. When the " ｂ " shows and flashing，press setting button
"
" to confirm and proceed to the next step. You can press increase button " " or decrease button "
" to choose ON or
OFF, then long press setting button “
” 3 seconds to save the settings and exit.
ON:
OFF
:
