Vitek VTC-402NZ, Руководство пользователя

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ENVI Series: VTC-IR302FN
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15.1. Advanced Services
Pre-Alarm buffer size and buffering speed can be defined here.
 Pre-Alarm Buffer Size : You can set the buffer size which will store the images before event.
The unit is in frame, and each channel can be set with different values. The total number of
frames for Pre-Alarm Buffer and Post-Alarm Buffer is limited to 10 frames.
 Pre-Alarm Speed : You can set the buffering speed. If it’s set to Fastest, the server will store
images as fast as it can. Each cannel can be set with different values.
This configuration applies to E-mail and FTP(Buffered), and click Save button to apply changes.
 E-mail : Set up Email Service configuration
 FTP (Buffered) : Set up FTP (Buffered) Service configuration
 FTP (Periodic) : Set up FTP (Periodic) Service configuration