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c) Submenu “LENS”
Here you can switch the iris diaphragm of the lens between “AUTO” (automatic) and
„MANUAL“ (manual) (default setting is „AUTO“).
By selecting “AUTO” and pressing the button, you can call up a submenu in which you can carry
out further adjustments.
“TYPE”
Lens type switch between “DC” and “VIDEO”
The default setting „DC“ may not be changed. The setting „VIDEO“ is not
supported by this camera because a DC lens is permanently installed.
“MODE”
Selection of the diaphragm opening
“AUTO”: Automatic adjustment by the camera (default setting)
“OPEN”:
Diaphragm
open
“CLOSE”:
Diaphragm
closed
“SPEED”
Sets the speed of the diaphragm, depending on the light ratios
d) Submenu “SHUTTER/AGC”
The camera is equipped with a DC lens. You should therefore preferably leave the setting at “AUTO”
so that the shutter speed can be selected automatically depending on the ambient light.
Upon selection, both “AUTO” (automatic) and “MANUAL” (manual) will call up a submenu when
the button is pushed.
Setting “AUTO”
With high ambient brightness (“HIGH LUMINANCE”):
“MODE”
„AUTO IRIS“: The shutter is to be set to a
fi
xed value here and only the iris
diaphragm is automatically controlled.
„SHUT+ AUTO IRIS“: Both shutter and the iris diaphragm are automatically
controlled.
„SHUT“: This indicator appears only if you switched to „MANUAL“ in the
„LENS“ menu.
“BRIGHTNESS“ Adjusting the brightness if “AUTO IRIS” was selected
With low ambient brightness (“LOW LUMINANCE”):
“MODE”
“AGC”/”OFF”: Automatic gain control on/off
“BRIGHTNESS“
Select the gain factor (x0.25, x0.50, x0.75, x1.00)
Setting “MANUAL”
“MODE”
“SHUT+AGC” (cannot be changed)
“SHUTTER”
Shutter speed 1/50....1/10000
“AGC”
Correction value for the automatic gain control
Summary of Contents for 680 TVL
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