Sanyo VA-SW8000 User Manual download pdf (Page 129)

English 128

MP2 Viewer

2

Select the tamper detection mode.

Select [Tamper Det. Mode] in the Option

menu on the menu bar.

Options:

• Simultaneous with playback

(default):

Performs tamper detection during

playback.

Audio is not played back.

• Prior to start playing back:

Performs batch tamper detection

before playback.

When playback is conducted after

tamper detection, audio is included.

3

Conduct playback of video files.

Register the video files you want to

appraise for tampering on the play

waiting list and click [OK] (see P124).

Appraisal is started according to the

tamper detection mode.

4

Display of appraisal results.

Playback is started and the appraisal results

are displayed in the color of the title bar of the

video currently being played back.

• Blue:

When playback starts, the title bar turns

blue, and remains blue until tampering is

detected. If the title bar is still blue when the

playback ends, it means that no tampering

is found in the video file.

• White:

The title bar turns white if any tampering is

detected during the playback.

• Green:

If a tampered frame is detected, the title bar

remains green and does not revert to blue,

even after the check moves past the

tampered section.

If the title bar is still green when the

playback is completed, this means that

tampering has been detected from the file.

• Tamper appraisal can be

started simply by dragging and

dropping video files into the

playback screen area.

• Once the [Tamper Det.] check

box is selected, any attempts to

play back files by

double-clicking them on the

play waiting list are invalid.

In the case of “Simultaneous with

playback”

If tampering of date and time

information is detected, the display

is as follows.

Title bar: White

File name: Black

Date and time information: Red

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