JVC GY-HC900STU 2/3" HD Connected Cam Studio Camcorder (Body Only) - Manual (Page 68)

Adjusting the Vertical Shading
1 Set [Camera Process]
B
[White Balance]
B
[V. Shading] to “On”.
2 Select [Adjust...] in [V. Shading] and press
the Set button (
R
).
The Vertical Shading Adjustment screen
appears.
.
Setting
Value
Evaluated Value Detection Frames
Sliding Bar for Setting
Evaluated Level Meter
3 Press the [USER1] button to set to perform
automatic adjustment.
You can use the R, G, B channels individually
to adjust the value of the evaluated level meter
up to a margin error of ±1 from the median value.
4 Adjust manually.
0 If you want to adjust manually after automatic
adjustment is performed, follow the steps
below.
0 You are recommended to adjust the G
(green) level only.
0 If manual adjustment in not necessary,
adjustment is complete at step 7.
5 Use the cross-shaped buttons (
HI
) to
select the item to adjust from [R]/[G]/[B].
6 Adjust the setting value using the cross-
shaped buttons (
JK
).
0 Adjust the sliding bar for setting while
referring to the evaluated level meter.
0 Adjust the values such that the evaluated
value falls almost at the center of the meter
using the
K
cross-shaped button if the
evaluated value of the channel to be adjusted
is larger than the median value, and the
J
cross-shaped button if the evaluated value is
smaller than the median value.
7 Press the Set button ( R ) to save the setting.
0 Make sure to press the Set button (
R
) to save
the setting.
0 Pressing the [CANCEL/RESET] button
discards the setting and returns to the menu
screen at the next higher level.
Memo :
0 There may be some delay in the changes of the
evaluated value after pressing the cross-shaped
button ( JK ).
0 Increasing the setting value suppresses the
colors at the bottom and enhances the colors on
top.
0 Adjustment is not possible in the following
cases. An error message will appear.
0
When the top and bottom ends of the frame
are overexposed
0
When the top and bottom ends of the frame
are underexposed
0
When there is significant difference in the
level between the top and bottom ends of the
frame
What is evaluated value?
This is a relative value (difference between the
top and bottom ends) with respect to the average
value of the R, G, B channels within the evaluated
value detection frames at the top and bottom of
the LCD monitor or viewfinder.
The evaluated value is positioned higher than the
center of the evaluated level meter when the level
at the top is higher than that at the bottom end.
Similarly, the evaluated value is positioned lower
than the center of the evaluated level meter when
the level at the top is lower than that at the bottom
end.
Adjust the evaluated value such that it falls
almost at the center of the meter.
68
Adjusting the White Balance
Sh
ooting