Formatting Memory Cards - Canon PowerShot SX230 HS Getting Started Manual

Formatting Memory Cards

Before you use a new memory card or one that has been formatted in other
devices, you should format the card with this camera.
Formatting (initializing) a memory card erases all data on the memory card.
As you cannot retrieve the erased data, exercise adequate caution before
formatting the memory card.
Before formatting an Eye-Fi card (see Camera User Guide), be sure to install
the software contained on the card to a computer.
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Display the menu.
Press the n button.
Choose [Format].
Move the zoom lever to choose the 3 tab.
Press the op buttons or turn the  dial
to choose [Format], then press the m
button.
Choose [OK].
Press the qr buttons or turn the  dial to
choose [OK], then press the m button.
Format the memory card.
Press the op buttons or turn the  dial
to choose [OK], then press the m button
to start formatting.
Press the m button when formatting ends
and [Memory card formatting complete]
appears on the screen.