A system, method, and related computer program for visually displaying the contents of a USB storage device, wherein a USB storage device is inserted into a computer controlled instrument and a special storage area in the storage portion of the computer controlled instrument holds low resolution bitmaps of stored images. These low resolution bitmaps contain such data as directory listings, which can be displayed on an LCD without the inconvenience or difficulty of the current method of displaying such information. Low resolution images with stored files as bitmaps are automatically updated. The present invention functions via a small LCD screen and its controller, which is added to the USB storage key and allows for the display of the contents stored on the USB storage key. The present invention allows a user access to the listing of the contents stored on a USB storage key without having to plug in the USB storage key into a computer controlled instrument.