Pentax K-7 Operating Manual page 51

This camera uses either an SD Memory Card or an SDHC Memory Card.
(Both cards are referred to as SD Memory Cards hereafter.) Make sure the
camera is turned off before inserting or removing the SD Memory Card
(commercially available).
' DO not remove the SD Memory Card while the card access lamp is lit.
' Use this camera to format (initialize)an SD Memory Card that is Unused Or
has been used on other cameras or d gital devices. Refer to !iFormatting the
SD Memory Card'! (p.256) for details on formatting.
, Use a high:speed memory card when recording movies: If the write speed
cannot keep up with the recording speed, the writing may stop during
recording.
I Make sure that the camera is turned off.
,2 Slide the card cover in the
direction of the arrow ((_) and
then lift it to open (_2_).
3
Insert the card all the way with
the SD Memory Card label toward
the monitor.
Push the SD Memory Card in once to
remove.