Flange Back Adjustment
The flange back is the distance between the lens (sold separately) and the image capturing surface of the camera. It is adjusted at the time of shipment from the factory to accommodate the types of lenses that are generally assumed to be in use.
Accordingly, the flange back does not normally need to be adjusted. However, if attaching a zoom lens and changing from wide angle to telephoto, the images may not be captured in proper focus, and so in such cases the flange back should always be adjusted by following the procedure given below.
1 Connect a coaxial cable between the | TV monitor |
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| camera output connector (MONITOR OUT) |
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| (sold separately) |
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| of the camera and the monitor’s video |
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| PC CARD | |
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| connector (VIDEO IN). |
| MONITOR | ETHERNET | |
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| OUT | |||
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2 Turn on the camera’s power. |
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| D/N IN COM AC24V | GND | |
| PC |
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| POWER |
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| MODEM1 2 |
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| Adjust the flange back while viewing the |
| ALARM IN OUT DC12V |
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| camera images on the monitor. |
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| Power supply | |
3 Use a Phillips screwdriver to loosen the |
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| connector | |||
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| flange back locking screws. |
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4 | Move the zoom lens to the telephoto | 3, 6 |
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| setting, and then use the lens focus ring |
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5 | to adjust the focus. | Flange back |
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Move the zoom lens to the wide angle | locking screw |
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| setting, and then use the flange back | 4 |
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| adjustment dial to adjust the focus. |
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6 Move the zoom lens from wide angle to |
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| Flange back | ||
| telephoto (repeating steps 4 and 5) and |
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| check that the images are properly |
| 5 | locking screw | |
| focused. Then tighten the flange back |
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locking screws.
– 8 – | English |
