AOC SPT5512S User Manual page 35

After-Images can still be
seen on the display after
the display is powered
off. (Examples of still
pictures include logos,
video games, computer
images, and images
displayed in 4:3 normal
mode)
A still picture is displayed
for an over extended
period of time
29
Do not allow a still image to be
displayed for an extended period of
time as this can cause a permanent
after-image to remain on the display.