ON
OFF
AI
EI
WINDOW WEIGHTING
W0 1
W1 1
W2 3
W3 3
W4(FIX) 15
PRESET OFF
MENU END END
W0=1
W2=10
W4=15
W3=10
W1=5
W2=0
W4=15
W3=0
W1=15
W0=0
Fig. 1
Fig. 2
Fig. 3
Backlight compensation (BLC) setting
The backlight compensation
ON/OFF
is set using the
BLC
ON/OFF
switch (9) in the camera setup section.
ON
: Default setting, backlight compensation function on.
However, depending on the camera installation location
and conditions of use, if the backlight compensation
function need to be set, with the
BLC
switch set to
ON
,
press the
SET
button to select one of PRESET (1, 2) or
MANUAL (1, 2) modes indicated below.
•
PRESET 1
(Basic setting, see
Fig. 1
)
When the subject is dark and moving within the image, the
brightness control is done independently for the 5 windows
(W 0-4). This setting is recommended when the subject will
be moving across or within the image.
•
PRESET 2
(Basic setting, see
Fig. 2
)
The windows are regrouped in 2 sections (W 1 and 4; and W
0, 2 and 3) and the lens iris is set automatically so that the
backlight correction is optimum for the section composed of
windows W 1 and 2. This setting is recommended when the
subject will be centred in the image.
•
MANUAL 1
(or
MANUAL 2
) (
Fig. 1, 3
)
The size and position of window W 4, and the windows (W
0 - 4) distribution (WINDOW WEIGHTING) can be set
manually to control a bigger area of the screen (e.g. when
the subject will be moving in the screen area) and stored
under one of the two manual settings.
OFF
: Fixed backlight compensation
Notes:
•
The backlight compensation will operate when using an
auto-iris lens (DC or VIDEO type).
•
If in the “
MENU FOR ADJUSTMENT
”,
AGC
is set to
OFF
, the
backlight compensation will not operate.
Iris level setting
The iris is set using the
IRIS
AI
(Auto-Iris)/
EI
(Electronic Iris)
switch (10) in the camera setup section.
AI
: Initial setting. When using a DC type auto-iris lens, the iris
level settings can then be entered in the adjustment
sub-menu (see page
17
).
EI
: Electronic iris mode setting.
Note:
If the
AGC
switch is set to
OFF
, setting the
IRIS
switch to
EI
will not set the electronic iris mode.
L53P4/US GB 1998, 3, 11
12
English
