Honeywell HD44IP, Руководство пользователя

Страница: 58 / 84

58
IP Camera Web Client
Table 4-6 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 .
Flickerless Off, On Eliminates the “flicker” that can appear in an image under certain lighting
conditions (for example, fluorescent lighting). This setting is not available if you
have selected ELC.
DSS
(Digital Slow
Shutter) Off, Low, High Automatically provides a clear image under low-light conditions. DSS improves
the picture quality (brightness) in low-light scenes. DSS might introduce motion
blur; the higher the setting, the more likely motion blur will occur.
Day/Night Auto, Day,
Night Controls Day/Night (SDN) operation.
Night Mode B/W or Color Sets the color mode as B/W (monochrome) or Color in Night Mode.
Day/Night must be set to Night .
Detect Time 5–60
seconds Sets the time ( 5 – 60 seconds) before the camera switches to Day or Night mode
after detecting a low-light condition or a normal light condition, respectively.
Day/Night must be set to
Auto .
DayToNight 1–7 Determines the low light detection level ( 1 – 7 ) when the camera switches to
Night mode. The lower the value, the darker the lighting conditions before the
camera switches.
Day/Night must be set to
Auto .
Note The DayToNight threshold level must be set at least 2 less than the
NightToDay threshold setting.
Note The DayToNight threshold range is decreased if the AGC level is
reduced.
NightToDay 3–9 Determines the low light detection level ( 3 – 9 ) when the camera switches to Day
mode. The higher the value, the brighter the lighting conditions before the
camera switches.
Day/Night must be set to
Auto .
Note The NightToDay threshold range is decreased if the AGC level is
reduced.