msnyder1{at}cfl.rr.com wrote:
> One of my children has a Sanyo cellular telephone that takes pictures.  It
> can be made to be recognized by a computer as a mass storage device via a
> USB port.  My son asked me to copy a photo that he took from his camera to
> his computer.  While I was showing him how to use PMView to manipulate
> images, I inadvertently saved one of the images back to the USB drive
> (phone).  This, of course, caused eCS to write ea data. sf to the phone. 
> Now, I expect as a consequence of my having done the above, the phone will
> take photos but will not store them. 
Why do you expect this ??

ea data.sf is a flat system file, that the phone/camera and other 
operating systems should not be worried about - it is simply a data file 
taking up space as far as they are concerned.

If the phone camera works in the same way as most digital cameras, a 
general rule for all camera memory cards is however, occasionally copy 
all the pictures off and reformat the card - the reformat MUST be done 
from the camera (or in your case phone) itself not from Windoze or OS/2. 
In your case you will need to copy off the address book as well - 
perhaps this can simply be copied back rather than having to be 
re-entered ? What can happen is although the camera/phone reports its 
card file structure as FAT or FAT32 in some cases, often it does not 
comply with what Windows or OS/2 thinks a FAT directory structure should 
look like. Hence if you delete or format from the PC, it can change the 
fat directory and at some point in the future the camera, when trying to 
use that directory entry, either refuses to write or in some more 
extreme cases (such as on Fuji cameras), the camera locks up and you 
have to remove batteries to reset the logic - and of course the photo 
you were trying to take is lost.

If you do experience any such problems, copy the pictures off the camera 
and then reformat the memory card in the camera using the cameras format 
function not the operating systems.

By the way, you might like to look at using Fotoget/2 which avoids such 
issues - I expect it is on Hobbes.

Cheers/2

Ed.





 
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