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Pelco Manual C2408M-F (4/03) [ 7 ]
Auto Iris Level Adjustment
If you have a varifocal lens or fixed focal length lens with an auto iris, you can adjust the iris level setting
to increase or decrease brightness.
VARIFOCAL LENS
FIXED LENS
Switch Settings for Varifocal Lens
The high resolution camera with
varifocal lens and auto iris is
configured at the factory for
optimal performance in lighting
conditions where auto iris is
required. It is also configured with
the shutter speed set at 1/60
(NTSC) or 1/50 (PAL) and AGC
set at 6 dB of gain.
To enable automatic exposure
Turn on switch 7, and then turn on/off switch 4 for
electronic shutter control, switch 5 for backlight
compensation, and switch 6 for flickerless
motion.
To manually set and lock AWB
Place a white background in front of camera and
turn off switch 1.
For gamma correction
Switch to accurately reproduce scene brightness;
when turned on, y = 0.6, and when turned off,
y = 1.0.
For gain control
Switch 3 On increases gain by 6 dB, and switch 3
Off increases gain by 18 dB.
CAUTION Do not change the shutter
speed unless you understand how changing the
settings will affect the scene detail.
Shutter Switch Number and Position
Speed 7 6 5 4
1/60 (NTSC)
1/50 (PAL)
1/100 Off On On
1/250 On Off On
1/500 Off Off On
1/1000 On On Off
1/2000 Off On Off
1/4000 On Off Off
1/10000 Off Off Off
Off
On On On
12345678
OFF
FACTORY SETTINGS
= SWITCH POSITION
1AWB Automatic white balance
2 GAM Gamma function
3 AGC Automatic gain control
4 ESC Electronic shutter control
5BLC Backlight compensation
6FL Flickerless
7AE Automatic exposure
8 Not used
AE Functions
To enable auto iris and manually set shutter
speed
Turn off switch 7; set switches 4, 5, and 6 for the
desired shutter speed.