User manual ENEO VKC-1319IR

[. . . ] Montage und Betriebsanleitung Farb-Kameras VKC-1319/IR und VKC-1319/IR12-24 Installation and Operating Instructions Colour Camera VKC-1319/IR and VKC-1319/IR12-24 Mode d'emploi Caméra Couleur VKC-1319/IR et VKC-1319/IR12-24 Instrucciones de manejo Cámara de color VKC-1319/IR y VKC-1319/IR12-24 1 Inhaltsverzeichnis 1. Sicherheitshinweise. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Allgemeine Beschreibung. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Anschluss und Bedienung. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] If there is a day/night application with IR illumination, the flange focus should be set under IR light conditions. This is because the iris is generally opened when used at night due to the poor level of light and low depth of focus. During the day, the iris is continuously closed further, there is a greater depth of focus and the difference in the flange focus is compensated. Explanation of terms for iris setting AGC (automatic gain control) White clip AES (automatic shutter control) This starts tooperate when the light intensity is insufficient to deliver a full video signal (1Vp-p). The greater the gain, the greater the signal noise in the picture. It is generally activated between 0. 8 and 1. 0Vp-p. Signal limitation at high image amplitudes. The white clip value generally lies between 1. 1 and 1. 2 Vp-p. This automatically controls the shutter times, it starts when the light intensity becomes stronger and the signal would otherwise be limited/over-regulated by the white clip feature. Automatic shutter control is mainly applied for manual lenses. If a camera is operated with controlled lenses, regardless of whether DC or AI, the AES must be switched off. Problems arise if this is not done because both control systems try to steer the volume of light for the camera. As the AES generally reacts faster, the iris remains fully opened and the shutter resumes the control work, which produces major drawbacks. As the iris is open, the depth of focus is very low. When shutter times are short, this can cause a smear effect (bright, vertical stripes in light parts of the picture). Iris adjustment The working point of the iris should always be above the AGC start and below that of the white clip. This range is very small with some cameras, making it difficult to adjust the lens. It is therefore advisable to switch off the AGC (if possible) when adjusting the iris. Once the lens has been focussed, the AGC must be switched back on (only for cameras which allow the AGC to be switched off). In the case of DC lenses, the working point of the iris is adjusted at the camera`s level potentiometer (the AI amplifier is built into the camera). In the case of AI lenses, the level potentiometer is located on the lens (the AI amplifier is built into the lens). IR cut filter Important note on the IR cut filter If an IR light source is used for illumination and if this exceeds a certain brightness, the filter is panned in. The brightness can then no longer be sufficient and the filter is panned out. This can lead to the filter being constantly panned in and out (with a time delay) in a special configuration. [. . . ] Ya que en general el AES reacciona con más rapidez, el diafragma queda totalmente abierto y el obturador hace el trabajo de regulación, lo que ocasiona considerables inconvenientes. La profundidad de campo es muy escasa debido al diafragma abierto, y en los tiempos cortos del obturador esto puede producir el llamado , , efecto smear" (bandas claras verticales en partes claras de la imagen). Ajuste del diafragma El punto de trabajo del diafragma siempre debe estar por encima del punto de aplicación del AGC y por debajo del clip blanco. En algunas cámaras esta banda es muy pequeña, de modo que es difícil ajustar el objetivo. [. . . ]