Sony Handycam DCR-TRV340E Operating Instructions Manual page 213

Writing a print mark
– PRINT MARK
To cancel writing of print marks
Select OFF in step 5, then press the SEL/PUSH
EXEC dial.
If the write-protect tab on the "Memory Stick"
is set to LOCK
You cannot write print marks on still images.
Moving pictures
You cannot write print marks on moving
pictures.
While the file name is flashing
You cannot write the print mark on the still
image.
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