B. Manual mode If you find the commuication channel does not connect well, you can unplug the receiver, re-plug it back into the USB port on PC, and then within 15 seconds press the ID reset button on the back of mouse. Now the mouse and the receiver is linked uccessfully. Note While the mouse is working, if encountering any interference, the mouse and the receiver will automatically source out and transfer to another free channel. During the transferring, the cursor movement may have a second delay.