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Select the items that you want to diagnose and set the threshold for these settings. For more information
on the settings list in this menu, refer to the table below.
Parameter
Description
Stripe
A horizontal, vertical or diagonal stripe that might appear in the video
because of DVR aging or electronic interruption. Such stripe brings visual
interruption.
Noise
Video noises such as blurriness or quality reduction that is caused by optical
distortion or DVR problem during camera shooting.
Color Cast
Variances in the normal proportions of RGB colors.
Out of Focus
Blurry video is caused during camera shooting, transferring and processing.
Such condition is a common image quality reduction problem and defined
as out of focus.
Overexposure
The video brightness refers to the intensity of image pixel. The range is
between 0 (the darkest black) and 255 (the brightest white). If the
brightness exceeds the threshold, the image is over exposed.
Threshold
The range is from 1 through 100. If the value after diagnosing is higher than
what you set, the system activates the alarm to the corresponding
diagnosing types such as stripe.
When you have finished setting your diagnosis rules, click on OK in the diagnosis interface to save the settings. The
system will then return to the Diagnosis menu. To complete the process, Click Apply to save the settings for your
system.
Note: To return the DVR to its default diagnosis settings, click on the Default button. The default rules in the
diagnosis screen will always be defaulted to 30.
4.8.6. Abnormality
This screen is used to specify system actions in the case the device experiences any abnormalities including hard
drive, network, or user abnormalities.
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