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Backlight compensation setting
Use an auto-iris lens and set the EI/BLC switch to the BLC-ON
position, to engage the backlight compensation function.
Use an auto-iris lens. Set the EI/BLC switch to BLC-ON switch to
the ON position.
Note:
The backlight compensation will check the light at the centre of the screen.
If using a VIDEO type auto-iris lens
• The ALC volume on the lens should be turned all the way to Av (Average).
• If the backlight compensation function does not compensate properly for the conditions,
set using the LEVEL volume on the lens.
CAUTION:
The electronic iris function and the backlight compensation function cannot operate
simultaneously.
ON
OFF
ON
EI
BLC
High speed electronic shutter setting
Normally, the speed setting switches for the high speed electronic
shutter are all set to the OFF position. This sets the electronic
shutter speed to 1/60 sec. The switches can be set as indicated in
table A to select one of the 8 speeds available.
CAUTION:
• When using the high speed electronic shutter, the EI/BLC
switch must be set to the OFF position.
• Using the high speed electronic shutter indoors with low
lighting, will give darker pictures. In such a case, add some
lights to make sure the lighting is sufficient. If the lighting is very
bright, pay attention to the light angle in order to avoid or
minimize the smear phenomenon effect.
Table A
1
1/60 sec.
2
1/100 sec.
3
1/250 sec.
4
1/500 sec.
5
1/1000 sec.
6
1/2000 sec.
7
1/4000 sec.
8
1/10000 sec.
ON
123
ON
123
ON
123
ON
123
ON
123
ON
123
ON
123
ON
123
L72K2/US2 GB 1998, 2, 24
English 11