Digital Watchdog C235T Series Instruction Manual

C235T Series

About manual

INSTRUCTION MANUAL

PRECAUTIONS

■ Do not open or modify

Do not o

p

en the case except during maintenance and install ation,

Before installing the camera, pleas e read this manual
carefully. Be sure to keep it handy for later reference.

5436 W Crenshaw Street
Tampa, FL 33634
www.digital-watchdog.c om
Technical Support : 1-866-446-359 5 / 813-888-9555

■ Do not open or modify

Do not open the case except during maintenance and installation,
as it may be dangerous and may damage the product.

■ Do not put objects inside the unit
Make sure that no metal objects or flammabl e substances
enter the camera as it can cause fire, short-circ uits, or permanent

damage.

■ Be careful when handling the unit
To prevent damage, do not drop the camera or subj ect it to
strong shock or vibr ation

■ Install away from electric or magnetic fields.

■ Protect from humi dity and dust

■ Protect from high temperatur e

Be careful when installing on the cei ling in a kitchen or boiler
room, as the temperature may damage the camer a.

■ Cleaning
Dirt can be remov ed from the c ase only by wiping it with a soft cloth
moistened with a soft detergent solution.

■ Mounting Surface
The mounting surface must be strong enough to support
the camera.

Before installing the camera, pleas e read this manual
carefully. Be sure to keep it handy for later reference.

5436 W Crenshaw Street
Tampa, FL 33634
www.digital-watchdog.c om
Technical Support : 1-866-446-359 5 / 813-888-9555

TROUBLESHOOTING

Before sending the camera out for repair, chec k the items below.
If the problem persists after checking these item s, contact your service
center.

■ If no image app ears

Is the coaxial cable attached securely?
Is the power and voltage within operational specification?
Has the iris of the lens been adjusted correctl y (within specification

levels?

Is there adequate illumination?

■ If the image i s unclear

Is the lens in focus?
Is the lens dirty?
Dirt or fingerprints on the lens can adversely affect the
image. Gently wipe any dirt or fingerprints off the lens
with a soft cloth or lens cleaning paper and cleaning
fluid (commerci ally available).
Is the monitor adjusted correctly?

WARNING:
TO PREVENT THE RISK OF FIRE OR ELECT RIC SHOCK, DO
NOT EXPOSE THIS APPLIANCE TO R AIN OR MOISTURE.

DIMENSION (mm)

CONNECTION

*BNC / TERMINAL

*A-Iris socket

Connect the coaxial cable(with pre-wired BNC plug) to the BNC
connector (Video) of the camera.
If you are using an automatic iris lens with the camera, the lens
has to be connected to the A-Iris socket of the camera. If you
are using a lens with manual or fixed iris, this socket is not
used.
The operating voltage is either connected to the design ated
terminal block (12V/DC,24V/AC). Operation of the camera will
be confirmed by the pow er LED at the rear side of the cam era

Video Driven (VIDEO)

1.+8,5 VDC

2.NC

3.Video signal

4.GND

DC Driven (DC)

1.control –

2.control +

3.drive +

4.GND

*Adjustment of Back Focus

ADJUSTMENT

ADJUSTMENT

1. Please check t he lens to see if it is a C mount or CS mount.
To use C mount lens', please fix the lens into front camera after
mounting included C ring to lens.
To use CS mount lens, please fix the lens directly into front
camera

3. Please tighten the focu s lever after the adjustment in order to

prevent being out of focus.

2. To adjust the focus, slide the focus lever on the side o f the front
camera. In case of the vari f ocal lens, adjust the f ocus lever where the
lens is focused in focusing p osition "wide" and "tele"

Focus adjustment

ADJUSTMENT

*Adjustment of DC Lenses

1. Please check t he lens to see if it is a C mount or CS mount.
To use C mount lens', please fix the lens into front camera after
mounting included C ring to lens.
To use CS mount lens, please fix the lens directly into front
camera

3. Please tighten the focu s lever after the adjustment in order to

prevent being out of focus.

2. To adjust the focus, slide the focus lever on the side o f the front
camera. In case of the vari f ocal lens, adjust the f ocus lever where the
lens is focused in focusing p osition "wide" and "tele"

Focus adjustment

To adjust a lens with automatic iris (DC driven) to the camera, please
proceed as follows:

1. Turn the Level potentiometer to the max. position H

(

turn right).

The monitor picture then appears to be too bri ght.

2. Slowly turn the Level potentiometer back until the monitor picture
appears to be perfect and is not too bright. Then turn the
potentiometer back to the right (in direction ” H”) just a little bit.

3. Check the lens performance by using the camer a under changing
lighting conditions.