QNAP VIOSTOR, Руководство пользователя

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When you are happy with your settings, click ‘Apply’ to enable these
camera settings.
G. Audio recording (optional): To enable the audio recording, click ‘Enable
audio recording on this camera’.
H. Enable panomorph support: For the specific camera models with
panomorph lens, you can enable this option.
Note: To know the camera models which can be installed with panomorph
lens, please visit
http://www.qnapsecurity.com/faq_detail.asp?faq_id=718 .
I. Manual recording: To allow manual activation and deactivation of manual
recording function on the monitoring page, enable this option.
J. Real-time digital watermarking: Enable this option to add digital
watermarks to the video files as soon as they are recorded to the NVR.
Use the Watermark Proof utility to verify if the video files were maliciously
modified.
K. Enable recording data retention: Turn on this function and specify the
minimum number of days to keep the recording data. Note that the
number of days entered here must be smaller than the maximum number
of days to keep all recordings configured in ‘System Settings’ > ‘Advanced
Settings’.
L. Enable auto snapshot: Select this option and the settings will be displayed.
Configure up to 15 schedules for automatic snapshot taking or specify the
number of snapshots (max 60) the NVR should take every hour. The
snapshots are saved to the share folder of the NVR by default. Specify a
remote server to where the files will be saved. Read/write access to the
remote server is required.