Sony Handycam DCR-PC101E Operating Instructions Manual page 198

Viewing a still image
– Memory photo playback
Note
When displaying the index screen, the number
appears above each image. This indicates the
order in which images are recorded on the
"Memory Stick." These numbers are different
from the data file names.
Image data modified with your computers or
shot with other equipment
These files may not be displayed on the index
screen.
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