ENGLISH 4. If the mouse does not have connection to the receiver, press the button on the receiver first and then press the button under the mouse for channel setting again. Software Installation 1. 2. 3. Make sure the mouse is connected to the computer. Put the Setup disk (or CD) into the disk drive. Follow the instructions on the screen to finish the software installation. Factory Setting 1. 2. 3. Left Button: Provides traditional mouse functions like click, double click and drag.