Lens Mounting And Level Adjustment - Eneo VKC-1319/IR Instrucciones De Manejo

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6. Lens Mounting and Level Adjustment

Lens mounting
Dust protection cap
Lens
C/CS mount
Level adjustment
– D
LEVEL
Note
Video level adjustment
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N
Remove dust cover N before screwing on the lens.
Screw in the lens, and with lenses with automatic iris control, plug the lens cable into
the „LENS" socket.
When using a C mount lens, screw on the C Mount ring K.
Deactivation of the functions shutter (SW1) and AGC (SW7) is recommended for
video level adjustment. Attention should be paid to sufficient illumination.
Once the camera is supplied with voltage and connected to a monitor, undertake
sensitivity control on the camera via potentiometer D (when using DC controlled lenses
adjust at the camera, when using auto iris lenses adjust at the lens).
Appropriately this takes place by means of an oscillograph and a sufficiently illuminated
test pattern (min. 3.000Lux).
Should these auxiliary means be unavailable, one must attempt to make an
approximate adjustment according to the subjective impression made by the picture,
whereby the potentiometer must be turned to the left in the event of an dense picture
or to the right in the event of little contrast.
(Increase in brightness on the monitor –> rotational direction of the LEVEL-potentio-
meter clockwise. Reduction in brightness on the monitor –> rotational direction of the
LEVEL-potentiometer anticlockwise).
Mean value/peak value control (auto iris lenses only): If the impression made by
the picture is unsatisfactory in spite of correctly adjusted level, this may result from
strong differences in brightness in the picture (possibly highlight areas), which falsify
the adjustment. Remedial action takes place via the potentiometer ALC (at the lens).
Continuous adjustment up to 100% peak value control, thus improved recognisability
of dense picture sections, is possible by turning the potentiometer to the left.
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Vkc-1319/ir12-249193791892

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