morning
）
4
：
Open
：
IR LED always on.
5
：
Close
：
IR LED always off.
Note
：
D/N AUTO of camera is valid, unless the dome is set as “Internal
Synchronization Auto”.
B1
：
Environment Threshold Value
User can adjust the environment light threshold value as to different
application locations. In External synchronization Auto type, default value is
1~2lux
（
there may be slight difference because of the direction of IR LED. IR LED
is on in light condition. Threshold value can be set from 1 to 10. 1 means that the
light is weak and 10 means that the light is strong.
C1
：
Sensitivity Setup
When the IR LED is on, environment light threshold to close IR LED delays, 1
stands for high sensitivity, and related delay range is narrow, IR LED on and off
may switch frequently in a certain light condition; 10 stands for low sensitivity,
and related delay range is wide, there is a huge light difference when IR LED on
and off. Default value is 5.
D1
：
Open Time
Press iris on to enter open time setup, and move joystick leftward or
rightward to select the time value you want to change and upward or downward
to change the value.
E1
：
Close time
Press “Iris on” to set close time and move joystick from left and right to select
clock bit, move joystick from up and down to change value.
Note: It is effective to set start time and close time of IR LED in the timing mode of
IR LED control.
F1
：
Zoom match
Press “Iris on” to set zoom match. When select open, illumination and power
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