Detailed Function Description
Power on/off
Mute switch
Built-in computer Windows key
Built-in computer Space key
Built-in computer spacebar Alt + Tab
Built-in computer program window close button
Numeric input keys
Display channel information
Function button
Input signal source selection key, choose different sources according to need
Android system main screen button
Setting menu button, press this button to pop up
Lock and unlock Buttons and Touch function
Lock and unlock Buttons function
Lock and unlock Touch function
Freeze and zoom
One key for blank screen
Backspace key
Direction key, press this button for upwards selection
Direction key, press this button for left selection
Direction key, press this button for right selection
Direction key, press this button for downwards selection
Confirmation key, press this key to confirm selection state
Quickly start writing software
Return key
Built-in computer page (previous page)
Built-in computer page (next page)
Function button
Volume switch key
Built-in computer F1 - F12 function keys
NOTE: In case of no built-in computer, all function keys related with computer are regarded as no operating
functions.
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