Axis 247S Uživatelský manuál stáhnout pdf (Strana 19)

AXIS 247S - Event Configuration

Event Types

An Event Type is a set of parameters

describing how and when the Video Server is

to perform certain actions.

Example: If somebody walks past the connected camera,

and an event has been configured to act on this, the Video

Server can e.g. record and send video images to an FTP server,

or send a notification email to a pre-configured email

address with a pre-configured message. Video images can be

sent as an attachment with the email.

Triggered Event

A triggered event is activated by e.g:

• a push button connected to an input port

on the Video Server

• a manually activated action e.g. from an

action button in the web interface

• a lost signal from a video source

• detected movement in a configured motion detection window

• the sound level if it rises above or drops below the set alarm level

• on restart (reboot) after e.g. power loss

How to set up a triggered event

This example describes how to set the Video Server to upload images when the main door is opened:

1. Click Add triggered on the Event types page.

2. Enter a descriptive name for the event, e.g. Main door.

3. Set the priority - High, Normal or Low (see online help files).

4. Select which Video Source the event is to act on, e.g. Video 1 on Main door.

5. Set the Respond to Trigger... parameters when the event is to be active, e.g. only after office hours

6. Select the trigger alternative from the Triggered by... drop-down list, e.g. an Input port with a

connected sensor if the door is opened.

7. Set the When Triggered... parameters, i.e. set what the Video Server should do if the main door is

opened, e.g. upload images to an FTP server.

8. Click OK to save the event in the Event Types list.

Please see the online help for descriptions of each available option.

Pre-trigger and Post-trigger buffers

This function is very useful when checking to see what happened immediately before and after a trigger, e.g. 2

minutes before and after a door was opened. Check the Upload images checkbox under Event Types > Add

Triggered... > When triggered... to expand the web page with the available options.

Buffer size - up to 9 MB

The maximum length of time of the pre-/post-buffer depends on the selected image size and frame rate.

Include pre-trigger buffer - images stored internally in the server from the time immediately preceding the

trigger. Check the box to enable the pre-trigger buffer, enter the desired length of time and specify the required

image frequency.

Include post-trigger buffer - contains images from the time immediately after the trigger. Configure as for

pre-trigger.

Note: If the pre- or post-buffer is too large for the Video Server's internal memory, the frame rate will be reduced and individual images

may be missing. If this occurs, an entry will be created in the unit's log file.

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