Pentax K-5 Operating Manual page 42

Set the USB connection mode when connecting to a computer via the
provided USB cable (I-USB7). The default setting is [MSC].
I
2
Select [USB Connection] in the [_ Set-up 2] menu and
press the four-way controller ( • ).
Use the four-way controller (• •)
to select [MSC] or [PTP].
Refer to p.318 for details.
3
4
Press the
OK
button.
The setting is changed.
Press the
MENU
button.
The screen that was displayed before selecting the menu appears again.
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