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Quick Test for Remote Video
Spot-Checking Recorded Video
After a day or two, run a retrieval session to look for artifacts in recorded video, at every
half-hour or so, over a 24-hour period.
Sun
The darkness of night or bright sunlight may indicate the need for changes in camera
position or lighting. For outdoor cameras, it can be worthwhile to run such spot checks
seasonally. Direct sunlight at short times during the day, such as daybreak, can interfere
with recording for cameras aimed east, as can sundown for cameras pointing west.
After use of PTZ
A camera with the ability to pan, tilt and zoom can be set to respond in a
variety of ways after use and should be spot-checked. Run a Retrieval session to do so.
Scheduling
The video archive can be spot-checked for recorded video when cameras are
scheduled to record it. Refer to Scheduling in the
Rapid Eye™ Multi-Media Digital Video
Recorder System Administrator Guide
Vandalism
Tampering with cameras, the DVR or other hardware. This can be done by
damaging hardware directly or indirectly interfering (by spraying paint, fog or moving
objects in the way), or even through reconfiguration, using View software. Allow for access
to the DVR, if maintenance is required, yet prevent easy criminal tampering with the system.
Dew, frost or kitchen grease
Check camera lenses, or windows between the camera and
the subject for transparency and cleanliness.
Darkness
Without lighting or infrared cameras, indoor rooms and nighttime can make
cameras ineffective.
Cameras at an outside window
In a room that remains lit during evenings, reflection from
the window can hamper or block visibility outside.
Opaque objects
Even small objects can obstruct a camera when near, hampering an
operator’s view of a site. Large mobile objects, such as a truck also can be used to
compromise video of an event. Work around camera blind spots due to architecture, mobile
equipment, vehicle docking, construction and so on.
Power outage
Even when plugged into a UPS, a prolonged power outage compromises
the recording of video.
Calibrating Tamper Detection for Cameras
Calibration of tamper detection requires that a Multi SA has set up tamper detection on a
camera to trigger an alarm or to be logged, and that an operator use LocalView or a remote
operator use View.
Blind
A camera can be blinded by too much light or too little. To calibrate, cover the
camera with an opaque cloth or box, or prop a strong light in front of the camera for more
than 48 seconds. Less time than this does not trigger an alarm or log entry. This amount of
time is designed to reduce the number of false positives. Check with the operator if an alarm
Summary of Contents for Rapid Eye
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