Elecom M-XGS30BB User Manual page 32

7) When the statue is "Connected", the mouse is connected.
You can now use the mouse.
Register custom actions to the buttons.
Only the 2 buttons and the wheel can be used under the initial settings.
Button 1: Single click
Button 2: Secondary click
Follow the steps below to assign all other button functions.
1.
Turn ON AssistiveTouch.