How to use PPT laser pen? There seem to be some buttons on it.

1. 1. Seen from the left side of the laser pen, there are several key positions on the upper surface of the laser pen, such as indicator light, infrared key, page-down key and page-up key. On the left side, there are two settings, namely laser pen switch and charging cable connection port.

2. Then, from the right front side, the right side of the laser pen has two key settings of Enter and Tab, and the front end of the laser pen is the lamp port of the infrared generator.

3. The receiver is inserted at the end of the laser pointer, which is mainly used to receive the control signal of the transmitter and drive the computer or other controlled equipment to execute instructions.

4. When applying, pull out the receiver at the back of the laser pointer and plug it into the USB interface of the computer, and open the PPT presentation on the computer.

Press the infrared button first, and you will see a red indicator on the screen.

6. When you press the page turn button, you can see that the PPT presentation on the screen has turned down one page to the second page.

7. Turn the PPT to the third page, and continue to press the Page Up key. You can see that the PPT has turned back to the second page.

8. Finally, press the Enter key on the side, and you can see that the PPT has turned to the third page, which proves that the Enter key can also turn pages.