QSee QT SERIES User Manual
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Contents
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80 81960H CAMERASA new standard for analog video cameras, 960H increases the width of the image from D1’s720x480 pixels to 960x480 pixels. When connected to a DVR with 960H capability, this allowsthe camera to take advantage of the wider aspect ratios of most monitors and HD screens todeliver a wider, clearer image, without the distortion caused by stretching to fit the screen. This isdemonstrated in the image below:Standard analog camera image stretched to fitHD aspect ratio.960H camera image.PICTURE 2-13You can use 960H cameras with analog DVRs that don’t have that technology, but the DVR will beunable take full advantage of the capabilities for best results.Because your camera is weatherproof, it requires less protection than weather-resistant camerasand it can be placed in more exposed locations if needed. Keep in mind that most Q-Seecameras are designed to operate between 14°F to 122°F (-10°C to 50°) with a relative humidity ofup to 95%) and consider wind chill and other environmental factors when selecting your location.Specialty cameras are also available from Q-See which are able to operate in more extremeenvironments.ADDITIONAL CONSIDERATIONSMost users prefer to operate their systems with the DVRs recording only when motion isdetected. This provides the most efficient use of the hard drive’s capacity, plus making it easierfor a recording to be located. However, if the a camera’s location has a lot of “environmental”motion, such as a fan, wind, or the like, you will receive a lot of “false alarms.” Usually, theseevents can be avoided by simply adjusting the placement of the camera. Other situations mayrequire some fine-tuning of your settings. Chapter 8 Alarms, covers these settings in detail,but some easily avoidable situations are presented below:TV/Computer Screens. If the camera can see a video screen, it will trigger a motion alarmany time the screen changes, whether there is a video or simply a screen saver. The screen canbe masked out as described in Section 4.2. You can also reduce the level of motion sensitivityin specific areas of the screen by following the instructions in Section 8.3.Fans/Machinery. Motion is motion and if machinery within the camera’s field of view startsautomatically, it will cause an alert. Similarly, if the camera is mounted on a wall with machinery onthe other side that causes it to vibrate, that can also cause it to detect motion. Moving machinerywithin the camera’s field of view may be masked off as mentioned above, or motion detection maybe turned off for that channel. If there is another camera that covers access to the area where themachinery is located, you can set it so that the first camera will only be recording when triggeredby a motion event detected by this second camera. See “Triggers” in described in Section 8.3.Bugs. An occasional insect flying through the field of view is usually not enough to trigger analert. However, some flying insects are attracted to infrared light and will swarm the camera.This is usually a temporary situation that occurs at only a certain time of the year. Lighting thearea with yellow “bug light” of sufficient brightness can keep the camera operating in daylightmode and keep the infrared LEDs turned off. A second solution is to set the channel to record allthe time, and turn motion detection off at night until “bug season” is over. Reducing the motionsensitivity (Section 8.3) can also reduce alerts as can using another camera to trigger recordingas described above.Additionally, keep your cameras clear of spider webs as the movement of the webs due to windor critters in the web will cause an alert. The reflection of the infrared off the webs and back intothe camera will also reduce the night vision range.Snow/Rain. As with bugs, this is usually a seaonal event and may require motion detection to betemporarily disabled to avoid false alarms. However, positioning the camera further under shelter,such as closer to the wall and away from the edge of the eaves, can make the rain or snow toosmall for the camera to notice. Adjusting motion sensitivity may also help in some situations. |
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