Sanyo VA-SW80LITE Tamper DETECTIONUser Level ID2 higher, Displaying detection results

TAMPER DETECTION(User Level: ID2 higher)

This function lets you check whether images that have been downloaded from a DVR to an external storage device are the original downloaded images, or whether they have been modified or added to in

some way. Click on in the toolbar to display the “TAMPER DETECTION” window.

1 Enter the filename of the file to be checked in the “FILENAME” box.

Click, specify the file to be checked, and then click [Open]. The path and filename for the specified file will be displayed in the “FILENAME” box.

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2

3

Click.

The tamper detection operation will start, and the progress bar in the dialog box will show the detection progress.

You can click [CANCEL] to cancel tamper detection while it is in progress.

Displaying detection results

The detection results will be displayed in the “ALTERED” window.

•If no tampering was detected The window will be blank.

•If tampering was detected

The dates and times of the tampering will be displayed in the window in a list.

The file cannot be loaded unless
there are two files with the same
filename and extensions of “.mp2”
and “.idx” present in the same	4 Checking tampered images
folder. (P.65)
	If tampering has been detected, you can
	display thumbnails of the tampered images
	by clicking the tampering date and time in
	the “ALTERED” window.
	Click “PREVIOUS” or “NEXT” to display the
	previous or next image recorded on the
	tampering date. The tampered image
	display will also change.

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