Abus IPCB62500 설치 매뉴얼 - 페이지 17
{카테고리_이름} Abus IPCB62500에 대한 설치 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Abus IPCB62500 18 페이지.
페이지 인쇄3.5 Notes to the usage of internal IR LEDs
The IR range is strongly dependent on the environmental conditions. If the area in the
camera's field of view reflects poorly or if there are no objects within the max.
illumination range, the brightness of the video image at night may be too low. This will
result in poor usability of the video image.
In addition, when installing the camera it must be ensured that no objects are located in
close proximity to the camera's field of view (e.g. roof gutter or wall). These objects can
reflect back the IR light, resulting in circular fading on the video image in the opposite
direction to the object.
The IR range might be reduced as well by strong absorbing surfaces (e.g. asphalt).
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