Справочник Пользователя для Pelco MC3700 Series
Pelco Manual C1987M (6/02)
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AGC OFF/AGC ON – Switch Setting 5
Automatically adjusts the image to compensate for low light levels when using fixed or
manual iris lenses.
AGC (Default setting) - Enables the AGC mode.
OFF - Disables the AGC mode.
Automatically adjusts the image to compensate for low light levels when using fixed or
manual iris lenses.
AGC (Default setting) - Enables the AGC mode.
OFF - Disables the AGC mode.
ESC ON/ESC OFF (Electronic Sensitivity Control) – Switch Setting 4
The ESC feature compensates for an excessive light level by automatically adjusting
shutter speed. Selecting ESC Iris disables manual shutter speed selection. The ESC Iris
setting must not be used when the camera is set to Flickerless mode. Following are the
ESC switch settings:
The ESC feature compensates for an excessive light level by automatically adjusting
shutter speed. Selecting ESC Iris disables manual shutter speed selection. The ESC Iris
setting must not be used when the camera is set to Flickerless mode. Following are the
ESC switch settings:
ON (Default setting) - Enables the Electronic Sensitivity Control mode.
OFF - Disables the Electric Iris mode.
OFF - Disables the Electric Iris mode.
BLC (Backlight Compensation) – Switch Settings 2 and 3
The BLC (Backlight Compensation) feature compensates for backlit scenes by
enhancing objects in the center of the scene that would previously have been in
silhouette. BLC will only function with a manual iris lens when the Electronic Sensitivity
Control feature is switched on. For direct drive and auto iris lenses, BLC will still func-
tion even though the Electronic Sensitivity Control feature is switched off. Following are
the BLC switch settings:
The BLC (Backlight Compensation) feature compensates for backlit scenes by
enhancing objects in the center of the scene that would previously have been in
silhouette. BLC will only function with a manual iris lens when the Electronic Sensitivity
Control feature is switched on. For direct drive and auto iris lenses, BLC will still func-
tion even though the Electronic Sensitivity Control feature is switched off. Following are
the BLC switch settings:
ON - Enables the BLC mode.
OFF (Default setting) - Disables the BLC mode.
OFF (Default setting) - Disables the BLC mode.
OFF
8
9
8
9
8
9
8
9
= BLC Active Zone -The area used to calculate picture exposure.
Figure 7. BLC Setup Switches
WND ON/WND OFF - BLC Setup Window – Switch Setting 1
This switch allows you to turn the BLC window video overlay on or off.
The overlay is used in conjunction with switches 8 and 9 as an aid to setting the Back-
light Compensation feature.
This switch allows you to turn the BLC window video overlay on or off.
The overlay is used in conjunction with switches 8 and 9 as an aid to setting the Back-
light Compensation feature.
5
5
OFF
AGC
4
4
OFF
ON
1
1
OFF
WND