Vitek VTC-IRE650, Руководство пользователя

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6.6 PICT ADJUST menu
To enter PICT ADJUST menu, press ● button at MAIN menu-1 >PICT ADJUST.
PICT ADJUST Default Descriptions
MIRROR OFF Picture will be flipped horizontally if it turns ON.
BRIGHTNESS 000
Increases or decreases the brightness of the picture.
This is different from that of DC iris lens and simply increases or decreases
the digital gain of video.
Do not increase this too much, or the dynamic range for the highlight area
will decrease.
CONTRAST 120 Increases or decreases the contrast of the picture.
SHARPNESS 128
Increases or decreases the sharpness of the picture.
Too much sharpness can make the image appear harsh and will show
more noise. It may also show line flicker at the edge of object in the
picture.
HUE 128 Adjusts hue for NTSC version only
GAIN 128 Increases or decreases the color gain of the picture
NIGHT →
DAY.
3
NIGHT → DAY is a threshold level that determines whether or not to switch
from NIGHT to DAY. A lower (higher) value makes the camera switch from
Night to Day at a lower (higher) illumination.
If it stays in Night (B/W) mode at day time, decrease
NIGHT → DAY threshold
value until it switches to Day.
Examine and verify Day/Night operation according to IMPORTANT ACTIVITY.
CAUTION If the gap between DAY
→
NIGHT and NIGHT
→
DAY is not
big
enough, camera may repeatedly switch from Day
↔
Night.
If NIGHT
→
DAY is decreased from the Factory default, the same
amount
is recommended for DAY
→
NIGHT to avoid repeating DAY
↔
NIGHT
unintentionally.