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Installation Instructions
G
ENERAL
Thank you for choosing this advanced and high quality camera.
Before connecting or operating this product, please read these
instructions carefully.
These instructions cover the entire range of the Aritech AR digital
series of CCTV cameras.
Note that not all cameras have all of the features described in this
manual.
As standard, all cameras within the Aritech AR digital range are
fitted with an auto iris lens connector, adjustable back focus, and
accept both C and CS lenses.
P
S
RODUCT
AFETY
!
ATTENTION
•
Only qualified and experienced personnel should install and
service this equipment.
•
Cameras operating at AC mains 230 Volt contain hazardous
voltages.
•
Do not remove the camera casing, as there is a risk of injury
or death by electric shock.
•
No user serviceable parts inside.
•
Cameras connected to mains supplies must be connected to
an earth connection.
Only operate low voltage cameras from a Class 2 isolated power
supply.
The AR Digital range of CCTV cameras are designed for use in
general purpose CCTV applications.
Only operate the cameras between –10
Do not use the camera outside the specified power supply range.
The cameras must be used in a clean, dry, dust free
environments, unless fitted into a suitable protective housing rated
at IP65 (please refer to the Aritech range of internal and external
housings).
The AR digital range of cameras are available in three voltages -
AC mains 230 Volt, 12 Volt DC and 24 Volt AC.
The voltage required to operate the camera is clearly marked on
the rear of the camera.
Low voltage versions must be used with a Class 2 isolated power
supply
The Red Power LED on the rear panel indicates that power is
connected.
L
ENSES
To optimise the picture quality from the camera, it is important to
select the appropriate lens for the application, and to ensure the
lens is correctly set up.
•
Before fitting a lens, make sure that the rear of the lens does
not touch the CCD Image sensor inside the camera.
2
o
o
C and + 50
C.
•
Do not touch the surface of the CCD image sensor. If the
sensor is accidentally touched, use Isopropanol to clean.
•
Do not expose the CCD image sensor to direct sunlight, as
this may impair or damage the camera's performance
•
AR digital cameras support the use of C and CS type lenses.
Four types of lenses can be used with the AR digital range of
cameras (see section "Camera Functions and Switches" for
picture) :
•
Fixed Iris and Manual Iris lenses are recommended for
internal applications, and where the light levels are constant.
These lenses do not require any wiring connections to the
camera. Ensure that the Lens Mode switch on the rear of the
camera is set to AES.
•
Auto Iris lenses and Direct Drive lenses are connected to
the camera via the auto-iris connector (E) and are suitable
for both internal and external applications. A suitable 4-pin
connector is provided within the camera packaging. For the
wiring connections for both types of lenses, refer to this
manual and the lens manufacturer documentation.
•
An Auto Iris lens internally monitors the video signal from
the camera, and automatically adjusts the iris to the varying
light levels. Typically, these lenses provide a level
adjustment on the side on the lens casing (refer to the lens
manufacturer documentation). Ensure that the Lens Mode
switch is set to VD when using an auto iris lens.
•
A Direct Drive lens is controlled internally from the Aritech
camera, and automatically adjusts the iris to the varying light
levels. To adjust the level of the lens to obtain 1 Volt p-p, use
the DC level adjustment potentiometer at the rear of the
camera (I). Ensure that the Lens Mode switch is set to DD
when using a Direct Drive lens.
L
– S
ENSES
ET UP GUIDE
Fixed Iris lenses - Set the lens focus to infinity and view an
image greater than 5 meters away. If the picture is not clear and
appears out of focus, use the back focus adjustment to improve
the picture.
Manual Iris lenses - Open the iris fully and set the lens focus to
infinity. View an image greater than 5 meters away. If the picture
is not in focus, use the back focus adjustment to improve the
picture. Adjust the focus and iris as required.
Auto-Iris and Direct Drive lenses - Fully open the iris by
covering the lens with a suitable neutral density filter (ND). Set the
lens focus to infinity and view an image greater than 5 meters
away. Focus the image using the back focus adjustment. Remove
the ND filter and adjust the focus as required. Repeat this process
to confirm.
Focussing may vary between day and night time, and the amount
of infra red light viewed by the camera.
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