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
AE Functions
1AWB Automatic white balance
2 GAM Gamma function
3 | AGC | Automatic gain control |
4 | ESC | Electronic shutter control |
5 | BLC | Backlight compensation |
6 | FL | Flickerless |
7 | AE | Automatic exposure |
8 | Not used | |
FACTORY SETTINGS
1 2 3 4 5 6 7 8
OFF
= SWITCH POSITION
6 dB of gain.
Figure 17. Switch Settings for Varifocal Lens
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.
To enable auto iris and manually set shutter speed
Turn off switch 7; set switches 4, 5, and 6 for the desired shutter speed.
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) |
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| On | On | On |
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1/50 (PAL) |
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1/100 |
|
| Off | On | On |
1/250 |
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| On | Off | On |
1/500 |
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| Off | Off | On |
| Off | ||||
1/1000 |
|
| On | On | Off |
1/2000 |
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| Off | On | Off |
1/4000 |
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| On | Off | Off |
1/10000 |
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| Off | Off | Off |
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Figure 18. Varifocal Lens Shutter Speed Settings
11 |
