Manual AVTech - Velleman CAMCOLBUL28 (page 7 of 56) (English, German, Dutch, French, Spanish)

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CAMCOLBUL28

V. 02 – 10/05/2012 7 ©Velleman nv

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These are two use

-definable setting that let you control red and

blue gain. This can be useful in environments that are saturated

with a single colour of light (for example bars or entertainment

venues), or it can help vision-impaired (colour-blind) users.

ANTI C

Anti colour rolling. Some types of lighting can cause colour bars

rolling over the screen. Use this setting to compensate.

MANUAL When you switch the camera on, it will acquire a white balance

value from the whitest object in view. The camera will then

reproduce white colour based on this value, regardless of

changes in colour temperature or other factors. If this value

gives insufficient colour quality, you can manually adjust the

balance between red and blue levels to improve the image.

PUSH

LOCK

Use this option to adjust white balance based on a white object

that you use as a baseline. Point the camera at the white object

and make sure it fills as much of the screen as possible. Click the

middle button on the joystick. The camera will now use the

colour of that white object as a baseline.

7.4 Back light

If there is a bright light in the background, for example from a window, the

image around it may be too dim to see clearly. In that case, use the

backlight function to compensate.

Display: BACKLIGHT

OFF No backlight compensation

BLC Back light compensation. The camera automatically brightens the

dim parts of the image.

HLC Highlight compensation. Use this setting to compensate for extreme

differences between dark and light areas. For example, if someone

shines a bright light directly into the lens, the entire image can

become overexposed. With HLC, the camera masks the bright area

so that the area around the light source is still visible.

7.5 Picture adjustment

These are the common adjustments for video images: MIRROR to mirror

the image, BRIGHTNESS (brightness), CONTRAST (contrast),

SHARPNESS (sharpness), HUE (hue), and GAIN (gain).

7.6 ATR

Use the Adaptive Tone Reproduction (ATR) function to improve the colour

tones of subjects in images that contain both bright and dim areas (for

example, a wall with a window).

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AVTech - Velleman CAMCOLBUL28 Manual

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