Dell M318WL User Manual page 33

The Music Source Screen shown below appears:
Audio
Music playback screen:
Fine Music Vol. 1
Maid with the Flaxen Hair.mp3
00:00:27 00:02:50
Press the button on the remote control or keypad to access the
music playback control. Then you can use the following buttons on the
screen to control music playback.
Previous Rewind Play / Pause Stop Forward Next Repeat Volume - / +
Using Your Projector 33