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C311M-O (11/07) 29
AUTO IRIS
The following are the settings for auto iris: Mode, Level, and Peak.
To change the settings for auto iris:
1. Program preset 95 (28). The main menu appears.
2. Position the cursor (>) beside Camera.
3. Press the Iris Open button to enter the Camera menu.
4. Position the cursor (>) beside Auto Iris.
5. Press the Iris Open button. The Auto Iris menu appears.
6. Position the cursor (>) and select one of the following settings:
• Mode: The cursor moves to one of two choices:
– Auto: The iris is automatically adjusted to produce a constant video output as determined by the Level setting.
– Off: Auto iris is disabled, and control is always manual.
• Level: The cursor moves to a numeric value, which the system uses to try to maintain a certain light level. Changing the value of the
Level setting will change the video level to which the auto iris adjusts. This setting should be adjusted if the video level in the auto iris
mode is too bright or too dark.
• Peak: The cursor moves to a numeric value. Increasing this value will cause the auto iris circuit to react more to highlights or “peaks”
in the picture. Decreasing this value will cause it to use the average video level to adjust the iris.
7. Move the joystick up or down to toggle between the available settings.
8. Press one of the following buttons on your keyboard:
• Iris Open: Press the Iris Open button to select your choice.
• Iris Close: Press the Iris Close button if you do not want to change the setting.
Backlight comp Off
Zoom limit x- -
Reset camera
<Gain/AGC>
<Auto iris>
Next
Exit
Camera Menu
Auto-iris mode Auto
Auto-iris level
Auto-iris peak
Exit
Auto Iris Menu
MAIN MENU
<Camera>
<Line Sync>
<Power Up Mode>
<Wiper>
<Limit Stops>
<Text Display>
<Alert>
<Other>
ACK Alert
Exit