BenQ Z2 - Manual (Page 56)

40 Using Your Phone
1. During playback, press once at point A--the start point of the
portion you would like to repeat. The icon appears indicating
that point A is set.
2. Press once more to set point B--the end marker. The icon
then appears indicating that the preferred portion's A-B
repeat is set, and the player will start to repeat playback between the
selected points.
3. To cancel A-B Repeat press again.
Displaying the background image during playback
Press (Option) and select Set Atmosphere. Then select the
background image you wish to display during playback.
Once set, the background image will only appear during playback and
can be temporarily turned off by pressing any key.
Displaying lyrics during playback
Press (Option) and select Lyrics Mode to display the selected
song's lyrics during playback.
The supported lyrics format is ID3v2.3.
Playing songs at random
Push the Joystick down to enter the Play List. Press (Option) and
turn the Shuffle mode on.