User manual

AXIS Q7424–R

Detectors

Camera Tampering

Camera Ta m per ing can genera te an alarm whenever the camera is repositioned, or when the lens is covered, sprayed or severely

defocused. To send an alarm, for example an email, an action rule must be set u p.

To conﬁgure tampering:

1. Go to Detectors > Camera Tampering.

2. Set the Minimum duration, that is, the tim e that must elapse before an alarm is genera ted. This can help pre vent false

alarms for known conditions that affect the image.

3. Select Alarm for dark images if an alarm should b e gen e rated if lights are dimmed or turned off, or if the lens is sprayed,

covered, or rendered severely out of focus.

4. Click Save.

To conﬁgure the pro duct to send an alarm when tampering occurs:

1. Go to Events > Action Rules.

2. Click Add to set up a new action r ule.

3. Enter a Name for the action r u le.

4. Under Condition,selectDetectors from the Trigger list.

5. Select Tamp erin g from the list of detectors.

6. Select the video channel.

7. Optionally, sele ct a schedule and set additional conditions

8. Select the action. To send an e m ail, select Send Notiﬁ

cation and select a Recipient from the list of deﬁned recipients.

Note

The While the rule is active op tion under Duration cannot be used with camera tampering, since camera tampering does not

have a duration and once it has been triggered it will not automatically re turn to its untrigge re d state .

For more information on actions rules, see

Events, on page 31

Motion Detect

ion

Motiondetectionisusedtogenerateanalarmwhenevermovementoccurs(orstops)intheview.Upto10IncludeandExclude

windows can be co nﬁgured:

• Include windows — target speciﬁc areas w ithin the who le video image

• Exclude windows —deﬁne areas within an Include window that should be ignored (areas outside Include windows

are automatically ignored)

Once conﬁgured, motion detection windows appear in the list of Detectors in Action rule se tup. See

Setting Up an Action Rule, on

page 32

Note

Using the motion detection feature may decrease the product’s overall p erf orm a nce.