Honeywell 720P, Справочное руководство

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HCD5MIH/X 720p True Day/Night Network Box Camera Reference Guide
Document 800-07067 Rev C 51
11/10
Figure 4-10 Camera Setup
Auto Exposure
The Auto Exposure settings allow the user to access and configure exposure-related
settings as described in
Table 4-5 .
Note You must click Apply after you make changes to any settings to save those
changes. Settings are not saved unless you click Apply .
Table 4-5 Auto Exposure Settings
Setting Options Description
ELC (Electronic Light
Compensation) Level 1–25 Electronic shutter control. Select ELC when using a manual iris lens.
Adjust the ELC level to the appropriate value so that the image is well
exposed (neither too bright nor too dark).
ALC (Automatic Light
Compensation) DC Iris Level: 1–25 Select ALC when using using a DC (auto iris) lens. Adjust the ALC level
to the appropriate value so that the image is well exposed (neither too
bright nor too dark).
AGC (Automatic Gain
Control) Off, 20 dB–40 dB Adjust the maximum value of AGC gain. AGC can be Off , or set to
20 dB , 30 dB , or 40 dB .
Note As AGC levels are reduced, the threshold ranges for DayToNight
and NightToDay are decreased.
DNR (Digital Noise
Reduction) Off, On Improves picture performance in low light by reducing video noise.
DNR is deactivated if AGC is turned
Off .