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AXIS 223M - Event Configuration
34
Pre-trigger and Post-trigger buffers
This function is useful when checking to see what happened immediately before and/or
after a trigger, for example, up to 30 seconds before and/or after a door was opened. Check
the Upload images checkbox under Event Types > Add Triggered... > When Triggered...
to view the options. All uploaded images are JPEG images.
Include pre-trigger buffer - this refers to images stored internally in the camera from the
time immediately preceding the trigger. Check this box to enable the pre-trigger buffer,
enter the desired length of time and specify the required image frequency.
Include post-trigger buffer - this refers to images stored from the time immediately after
the trigger. Configure as for pre-trigger.
Note:
•
Pre-trigger and Post-trigger buffers will be lost if the connection to the event server
fails.
•
The maximum length of the pre-/post-buffer depends on the video image size and
selected frame rate.
•
If the pre- or post-buffer is too large for the camera's internal memory, the frame rate
will be reduced and no images will be uploaded. If this occurs, an entry is created in the
unit's log file.
Continue image upload (unbuffered) - enables the upload of video images for a fixed
length of time. Specify the length of time for the uploaded recording, in seconds, minutes
or hours, or for as long as the trigger is active. Finally, set the desired image frequency to
the maximum (the maximum available) or to a specified frame rate. The frame rate would
be the best possible, but might not be as high as specified, especially if uploading via a
slow connection.
Scheduled Event
A Scheduled event can be activated at pre-set times, in a repeating pattern on selected
weekdays.
Configuration example:
1. Click Add scheduled... under Event Types.
2. Enter a descriptive name for the event, for example, "Scheduled e-mail upload."
3. Set the priority (High, Normal or Low).
4. Set the Activation Time parameters (24h clock) when the event will be active, for
example, start on Sundays at 13.00 with a duration of 12 hours.
5. Set the When Activated... parameters, that is, define how the camera will respond
at the specified time. Example, send uploaded images to an e-mail address.
6. Click OK to save the Event in the Event Types list.
Please see the online help
for descriptions of each available option.
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