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46 | HBD2FR1(X) User Guide
Setting Auto Exposure
To configure
Auto Exposure
settings, see
Apply
to save your changes.
Table 4-2
Auto Exposure Settings
Setting
Options
Description
ALC (Automatic
Light Compensation)
Level 1–25
The shutter speed is constant and brightness is controlled
through the lens iris by opening and closing it.
Adjust the ALC level so that the image is correctly exposed
(neither too bright nor too dark). Recommended for indoor
scenes, especially under fluorescent light.
ELC (Electronic Light
Compensation)
Level 1–25
The lens iris is fully open at all times and brightness is achieved
by controlling the electronic shutter.
Adjust the ELC level to attain the desired scene brightness.
Recommended for outdoor scenes.
AGC (Automatic
Gain Control)
Off, 20 dB,
30 dB, 40 dB
Default is 30 dB. Increase the gain setting to increase the scene
brightness.
Note
As AGC levels are reduced, the threshold ranges for
Day-to-Night and Night-to-Day are decreased.
DSS (Digital Slow
Shutter)
Disable, Low,
High
Automatically provides a clear image under low-light conditions
by increasing scene brightness. However, motion blur may
result. The higher the setting, the likelier motion blur will occur.
Flickerless
[Enabled],
[Disabled]
Eliminates flickering caused by certain lighting conditions (such
as fluorescent lighting).
Note
Flickerless
is unavailable when
ELC
is selected.
DNR (Digital Noise
Reduction)
[Enabled],
[Disabled]
DNR improves the picture quality in low light by reducing video
noise.
Note
DNR
is unavailable when
AGC
is set to
Off
.
Summary of Contents for HBD2FR1
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