Abus Security-Center EcoLine TV7000 Installation Manual page 14

(3) Automatic, manual or electronic light
control selector (AI/MI/AES)
Please select the mode according to the lens
mounted on the camera.
Fixed iris: Select auto electronic shutter (AES).
The illumination level is controlled by the camera
only.
Manual iris: Select either AES or MI.
Auto iris (DC or Video): Select auto iris (AI).
The illumination level is controlled by the lens
only.
(4) Backlight compensation mode
selector (BLC ON/OFF)
Select the mode according to the position of the
object and light conditions.
BLC ON: The centre of the screen is brighter
than the edges of the screen. Select this mode if
the background light is as strong as a spotlight.
BLC OFF: Select this mode if the main object is
not located in the centre of the screen and a
source of bright light is located near the centre of
the screen.
(5) Power input
Depending on the camera model, you will find
the 230V~ power cord (TV7001, TV7003,
TV7005, TV7006) or an input terminal for 12V
DC (TV7000, TV7002, TV7004, TV7008).
Connect class 2 power supply only and observe
the right polarity.
(6) Lens drive signal selector for auto-
iris lenses (VIDEO DR, DC DRIVE)
Select the mode according to the model of auto-
iris lens mounted on the camera:
VIDEO DR: Select this mode if you are using an
auto-iris lens that requires a video drive signal.
DC DRIVE: Select this mode if you are using an
auto-iris lens that requires a DC-drive signal.
(7) Auto-iris lens connector
This connector is for connecting the auto-iris lens
with a 4-pin male connector supplied as a
standard accessory with the camera. Lenses that
require a DC-drive signal mainly come with such
a connector already wired to the lens.
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