<Pre-trigger buffer> function allows users to check what caused the
trigger.
The <Pre-trigger buffer>
frame r
ate could
be pre-determined.
On
the
other
hand,
<Post-trigger
buff
er>
is
for
users
to
upload
certain
amount of images after alarm input is triggered.
NOTE: <Pre-trigger buffer> generally ranges from 1 to 20 frames.
However, the range will change accordingly if the frame rate of
MJPEG on Streaming> Video Configuration is 6 or smaller.
Check the box <Continue image upload> to upload the triggered images
during 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 uploading by E-mail when the alarm input
is triggered. The setting range is from 1 to 99999 sec. Select <Upload
during the trigger active> to make the images keep being uploaded to
E-mail during the trigger active until the alarm is released. Set the Image
frequency as the upload frame rate. The setting range is from 1 to 15
frames.
NOTE: Make sure SMTP configuration has been completed.
Refer to section Mail for further details.
Send HTTP Notification
Check this item and select the destination HTTP address. Then specify
the
parameters
for
event
notifications
by
<Alarm>
triggered.
W
he
n
an
alarm is triggered, the HTTP 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 name is “http://192.168.0.100/admin.php”, the
notification will be sent to HTTP server as “http://192.168.0.100/
admin.php/action=1&group=2” when 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 into the microSD/SD card or the NAS.
<Pre-trigger buffer> recording function allows users to check what
caused the trigger. The pre-trigger buffer time range is from 1 to 3 sec.
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