Nikon 1 J1 Reference Manual page 34

[_ Inserting and Removing Batteriesand Memory Cards
Always turn the camera off before inserting or removing batteries
or memory cards. Note that the battery may be hot after use
observe due caution when removing the battery,
[] Formatting Memory Cards
If this is the first time the memory card
will be used in the camera or if the card
has been formatted in another device,
select Format memory card in the setup
menu and follow the on-screen instruc-
tions to format the card (_ 149). Note
that this permanently deletes any data the
card may contain. Be sure to copy any
photographs and other data you wish to
keep to a computer before proceeding.
[] TheWrite Protect Switch
Memory cards are equipped
with a write protect switch to
)revent accidental loss of data.
When this switch is in the "lock" Write-protectswitch
)osition, the memory card can
not be formatted and photos can not be deleted or recorded. To
unlock the memory card, slide the switch to the "write" position.
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