Vivitar ViviCam 3720 User Guide

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2. Flash disk does not display images recorded. The camera will  load
    two removable flash drives on your computer under MSDC mode. 
   The first drive is the external SD or MMC cartridge and the second 
   drive is the recorded images saved in the built-in memory of the 
   camera. In cases when the removable flash drive names coincide 
   with those already assigned by the computer in the network, you 
    need to reassign the name for the removable flash disks:
   Right click  <My Computer>   Manage    Dis kManagement
   Right click blue bar of removable disk which is on line   Change 
   Drive Letter & Paths    Change     Assign the Following Drive 
   Letter ( assign an unused drive  name )     OK 
   Open the new renamed removable flash  drive to download
   recorded pictures