Axis Network Camera AXIS 221 User Manual

Also see for Network Camera AXIS 221: Specifications Product guide Installation guide Installation guide Brochure

30 AXIS 221 - Event ConfigurationPlease see the online help for descriptions of each available option.Camera TamperingThe camera tampering application generates an alarm whenever the camera isrepositioned, or when the lens is covered, sprayed, or severely defocused.You must also create an event, see How to set up a triggered event, on page 28, for thecamera to send an alarm.SettingsMinimum duration - This parameter sets the minimum tampering period, i.e. an alarmwill not be triggered until this period has elapsed, even if the tampering conditions areotherwise met. This can help prevent false alarms for known conditions that affect theimage.Alarm for dark images - If the camera lens is sprayed or covered so that the camera liveview becomes dark, it will not be possible to distinguish this situation from other situationswhere the same effect is seen, i.e., when lighting conditions change.When this paramater is enabled, alarms will be generated for all cases where the lights areeither dimmed or turned off, or if the lens is sprayed, covered, or severely defocused. If notenabled, no alarm will be sent.After making these settings, click Save.