The <Pre-trigger buffer> recording function allows users to check what happened to trigger the alarm. The pre-
trigger buffer time range is from 1 to 20 frames.
On the other hand, the <Post-trigger buffer> is for uploading a certain amount of images after the alarm input is
triggered. The post-trigger buffer time range is from 1 to 20 frames.
Check the box <Continue image upload> to upload the triggered images during a certain time or keep uploading
until the trigger is off.
- Select <Upload for __sec> and enter the duration in the blank. The images of the duration will be uploaded by
E-Mail when the alarm input is triggered. The setting range is from 1 to 9999 seconds.
- Select <Upload while trigger is active> to keep the images being uploaded via E-Mail while the trigger is active,
i.e. until the alarm is stopped.
Set the Image frequency as the upload frame rate. The setting range is from 1 frame to 15 frames.
NOTE: Make sure SMTP and/or FTP configuration has been completed. See section 9.5. Mail and 9.6. FTP for
further details.
NOTE: Normally, the setting range of the <Pre-trigger buffer> is 1 to 20. However, the setting range will change
accordingly if the frame rate of MJPEG on the <Video Frame Rate> setting page is 6 or smaller.
NOTE: Normally, the setting range of the <Pre-trigger buffer> is 1 to 20. However, the setting range will change
accordingly if the frame rate of MJPEG on the <Video Frame Rate> setting page is 6 or smaller.
- Send HTTP notification:
Check this item, select the destination HTTP address, and specify the parameters for event notifications when an
<Alarm> is triggered. As soon as an alarm is triggered, the notification will be sent to the specified HTTP server.
For instance, if the custom parameter is set as ”action=1&group=2”, and the HTTP server’s name is
”http://192.168.1.200/admin.php”, the notification will be sent to the HTTP server as
”http://192.168.1.200/admin.php? Action=1&group=2” when an alarm is triggered.
- Record Video Clip:
Check this item and select a video recording storage type, <SD Card> or <NAS> (Network-Attached Storage). The
alarm-triggered recording will be saved onto the microSD card or the NAS.
The <Pre-trigger buffer> recording function allows users to check what caused the trigger. The pre-trigger buffer
time range is from 1 to 3 seconds.
Select <Upload for __ sec> to set the recording duration after an alarm is triggered. The setting range is from 1 to
99999 seconds.
Select <Upload while trigger is active> to record the triggered video until the trigger is off.
NOTE: Please make sure that the local recording (with microSD/ SDHC card) is activated so that this function can
be implemented. See section 9.10. Recording for further details.
File Name :
Enter a file name into the blank box, e.g. image.jpg. The uploaded image’s file name format can be set in this
section. Please select the one that meets your requirements.
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