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[ 10 ] Pelco Manual C2436M-B (9/02)
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
3AGC Automatic gain control
4 ESC Electronic shutter control
5 BLC 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.
NOT USED
= SWITCH POSITION
FACTORY SETTINGS
ALC
Y
BLC
ABL
ELC
DC
OFF
OFF
ON
OFF
Switch Settings for Fixed Focal Length Lens
Without Auto Iris
Refer to the switch drawing. The switch is located next to the lens. Automatic backlight compensation
(factory setting) is used under varying lighting conditions (such as outdoors) or fixed lighting conditions
where there are no bright spots that darken other picture details. Manual backlight compensation is used
in fixed lighting conditions to optimize the picture detail when there are bright spots.
ALC/ELC switch: Always ELC
Y/DC switch: Not used
Auto backlight compensation: BLC switch OFF
ABL switch ON
Manual backlight compensation: BLC switch ON
ABL switch OFF