Play a few useful keys PowerPoint courseware

 Courseware PowerPoint presentation, if you want to achieve the following special features, do not stop to explain specifically and deliberately through the menu calls, knocking a key on your keyboard can be realized, and does not affect the effect of lecture.

 1. playback, the screen suddenly turn black if you want, press "B" or ">" Press any key to restore.


 2. playback, if you want the screen suddenly turned white, according to "W" or "<" Press any key to restore the same.

 3. In the middle of play back to the starting position to quickly resume playback, press "←" or "↑".

 4. playback to quickly bring up the drawing pen, press the key combination "Ctrl P".

 5. playback to quickly hide the mouse pointer, press the key combination "Ctrl H".