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AXIS 2420 User’s Manual Configuring Your Camera
25
4. Set the Size, History and Sensitivity profile sliders accordingly for the surveillance
area. The sliders are described briefly below. A fuller description is provided in the
on-line help.
•Size - The relative size of the moving object in the motion detection window.
•History - Specifies for how long a moving object will trigger the motion detection
before being regarded as non-moving.
•Sensitivity - The higher the level, the less contrast is needed to trigger the motion
detection.
5. If you are using Netscape Naviagator, click Save to save your motion detection
windows. In Internet Explorer the windows are saved automatically.
6. Having created a new motion detection window, you are now ready to test it. Create
some physical disturbance within the motion window area and check the motion
indicator box. If the window does not react as you want it to, adjust the sensitivity
slider. The horizontal line will move to reflect the new setting. When the motion
indicator shows activity in the image, it is the activity above the horizontal line which
will trigger any alarms you may have set.
Note: Motion detection windows support simple drag-and-drop functionality, which allows you extend
or reduce the window area at any time. To delete a window, select the window and press Delete.
COM-Ports, Modems and Pan-Tilt-Zoom Devices
The supported COM-ports are one RS-232 and one RS-485/422 port. The RS-232 port is
connected via the 9-pin D-sub connector on the rear of the unit and the RS-485/422
interface is via the I/O-B terminal block connector.
The RS-485/422 port supports the connection of an external device, usually a Pan Tilt unit.
The RS-232 port can be used for the same purpose, but also for connecting a modem or the
AXIS 2191 Audio Module. For details on how to connect and configure the AXIS 2191,
please see The AXIS 2191 Audio Module, on page 38.
Note: Only one port at a time can be used for controlling a Pan Tilt device.
Setting the RS-232 Port for use with a Modem
From the External Devices link on the Administration page, select the RS-232 port and
click the radio button for Modem. Some basic modem settings can now be made directly
from this page. Click Save. To further configure the modem, click Modem (also from the
main Administration page) and then General or ISP.