Nikon D300 User Manual page 471

appear with a drive letter, like a hard drive, in a Microsoft
Windows computer.
a "device" instead of a hard drive letter assignment. I choose
MTP/PTP for my D300 because it appears as a little camera
device in my computer's file browser. That's a lot easier to
find!
What about the D300S and USB?
The D300S has no USB menu selection. It appears that the
D300S defaults to MTP/PTP, which is required by
virtually all Nikon software. I know that it always appears
as a device, not a hard drive, under my file browser.
Basically, the D300S simply gives you no choice of USB
protocols, where the older D300 does.
MTP/PTP causes the camera to appear as
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