Canon PowerShot SX400 IS User Manual page 173

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● Formatting or erasing data on a memory card only changes file
management information on the card and does not erase the data
completely. When transferring or disposing of memory cards,
take steps to protect personal information if necessary, as by
physically destroying cards.
●
The total card capacity indicated on the formatting screen may be
less than the advertised capacity.
Low-Level Formatting
Perform low-level formatting in the following cases: [Memory card
error] is displayed, the camera is not working correctly, card image
reading/writing is slower, continuous shooting is slower, or movie
recording suddenly stops. Low-level formatting erases all data on
a memory card. Before low-level formatting, copy images on the
memory card to a computer, or take other steps to back them up.
●
On the screen in step 2
of "Formatting Memory
Cards" ( = 172), press the
[ ][ ] buttons to choose [Low
Level Format], and then press
the [ ][ ] buttons to select this
option. A [
●
Follow steps 2 – 3 in "Formatting
Memory Cards" ( = 172) to
continue with the formatting
process.
] icon is displayed.
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