Sanyo Xacti VPC-FH1 Instruction Manual page 62

INTRODUCTION TO THE OPTION SETTING MENU
If a newly formatted card is used, the file name (image number) of the
captured image automatically begins from 0001. If the card is subsequently
reformatted, or if a different reformatted card is used, the file names again
begin from 0001. This is because the file number continued function is set to
"OFF", and consequently it results in more than one card containing images
with the same numbers. By setting the file number continued function to "ON",
even if the card is reformatted or the card is replaced with another card, the
consecutive numbering of file names continues from the last number
recorded by the camera.
<File number continued function "OFF">
File name (image number) 0001,0002 ...... 0012, 0013
Replace card
V
I CardB I 0001,0002 0012, 0013
<File number continued function "ON">
File name (image number)
0001,0002 ...... 0012, 0013
Replace card
I CardB I 0014,0015 0025, 0026
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