Honeywell HDZ30A, Руководство пользователя

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54 | HDZ Series Analogue PTZ User Manual
Figure 4-3 Auto Exposure Mode Menu
AUTO
In this mode, the camera’s BRIGHTNESS, SHUTTER SPEED, IRIS VALUE and GAIN VALUE
(Auto Gain Control) control circuits work together automatically to achieve a consistent video
output level. With AUTO selected, all options are fixed to AUTO and cannot be edited.
SHUTTER
With this option, the SHUTTER SPEED takes main control of exposure, and both IRIS VALUE
and GAIN VALUE will function automatically in cooperation with shutter speed to achieve a
consistent exposure output. The shutter speed ranges from
1/10000 to 1/60 (1/50 for PAL
cameras).
IRIS
In this mode, the IRIS function takes main control of exposure. SHUTTER speed and GAIN
VALUE will function automatically in cooperating with IRIS to get a consistent exposure output.
The IRIS value is set to
f1.6 by default and can be adjusted from F1.6 to F28 .
MANUAL
In the Manual mode, users can manually adjust the SHUTTER SPEED ( 1/10000 ~ 1/50 for PAL;
1/10000 ~ 1/60 for NTSC), IRIS VALUE ( F1.6 ~ F28 ), and GAIN VALUE ( -3dB ~ 28dB ) for
optimized video output.
Exiting AE Mode Sub Menu
Exit the AE MODE sub menu and go back to the Main Page 1 (see Figure 4-1 ) to continue to set
the WBC MODE settings or other relevant camera options.
Setting the WBC Mode
A digital camera needs to find a reference color temperature, which is a way of measuring the
quality of a light source, for calculating all of the other colors. The unit for measuring this ratio is
in degree Kelvin (K). You can select one of the White Balance Control modes according to this
condition. The following table shows the color temperature of some general light sources.
AE FUNCTION
EXPOSURE COMP. ON ↓→
AE MODE AUTO ↓→
EXIT+SAVE YES
Table 4-1 Color Temperatures by Light Source
Light Sources Color Temperature in K
Cloudy Sky 6,000 to 8,000
Noon Sun and Clear Sky 6,500