Audiovox D710 Instruction Manual page 16

4. Zoom
During playback press ZOOM button to enlarge the picture by 2x, 3x
or 4X with the current zoom multiple. Press ZOOM button one time,
the picture will be enlarged 2X. Press ZOOM button a second time,
the picture will be enlarged 3X. Press ZOOM button a third time, the
picture will be enlarged 4X. Press ZOOM button a fourth time, the
picture will return to normal size.
ZOOM Screen Display
5. Repeat
a. During playback press REPEAT button once to repeatedly play the
current chapter.
Chapter Repeat ON Screen Display
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