Axis F41 User Manual
Also see for F44: User manualUser manualInstallation guideInstallation guideUser manual
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AXIS F41 Main UnitDetectorsDetectorsAbout camera tamperingCamera Tampering can generate an alarm when the camera is repositioned, or when the lens is covered, spray-painted or severelyde-focused. To send an alarm, for example via email, an action rule must be set up.How to configure tampering detection1. Go to Detectors > Camera Tampering.2. Set the Minimum duration, that is the time that must elapse before an alarm is generated. Increase time to preventfalse alarms for known conditions that affect the image.3. Select Alarm for dark images if an alarm should be generated when lights are dimmed or turned off, or if the lens issprayed, covered, or rendered severely out of focus.4. Click Save.How to configure an action rule for tampering alarm1. Go to Events > Action Rules.2. Click Add to set up a new action rule.3. Enter a Name for the action rule.4. Under Condition, select Detectors from the Trigger list.5. Select Tampering from the list of detectors.6. Optionally, select a schedule and set additional conditions.7. Select the action. Example: To send an email, select Send Notification and select a Recipient from the list of definedrecipients.NoteThe While the rule is active option under Duration cannot be used with camera tampering, since camera tampering does nothave a duration and once it has been triggered it will not automatically return to its untriggered state.For more information on actions rules, see Events on page 38.Audio DetectionThe Axis product can be configured to generate an alarm when audio rises above or falls below the threshold value. The thresholdvalue can be set in the range 0–100 where 0 is the most sensitive and 100 the least sensitive.1. Go to Detectors > Audio Detection.2. Set the audio alarm level and click Save.3. Go to Events > Action Rules and set up an action rule, see Set Up Action Rules on page 38.Detected audio is indicated by colored peaks in the Activity indicator. An event is triggered when detected audio rises above or fallsbelow the threshold value, which is represented by the bar.30 |
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