Reproduction Of Dark Areas; Function) - JVC GY-HM750CHU Instructions Manual

Camera Features
Reproduction of Dark
Areas (Black Stretch/
Compress Function)
Process the dark areas according to the balance of bright
and dark areas in the image to adjust the overall balance of
contrast.
1
Adjust [Black Toe] in the [Camera Process] menu
according to the captured video signals.
2
Set the luminance point (Point Level) for Stretch or
Compress .
● Decide the luminance point (Point Level) at which the dark
areas in the image are to be stretched or compressed.
● The luminance point (Point Level) can be set within the
range of 5% to 15% .
3
Adjust the amount of Stretch or Compress .
● Set the amount to stretch or compress the dark areas in
the image using [Stretch Level] or [Compress Level].
● The amount of stretch or compression increases when a
larger value is specified.
Example
To increase the area of 10 % level (Point A in the figure
below) in the image under normal condition ([Black Toe] is
Normal )
A
Set [Black Toe] to Stretch .
B
Set [Point Level] to 10% .
C
Set the amount to increase using [Stretch Level] ( Level
1 to Level 5 ).
The reproduction of dark areas improves as the 10 % level
point A stretches toward point B. (See figure below)
OUTPUT
When [Black Toe] is
Stretch
B
A
0
0
5% 10%
When [Black Toe] is
Normal
Increasing the 10% area
[Point Level] set at 10%
INPUT
15%