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.
CAMERA SETTING
C235T Series WDR Color Box Camera
OSD KEY & LED
RS485
NTSC/PAL SWITCH
VIDEO
TERMINAL BLOCK(POWER INPUT)
OSD MENU - C235T
■ OSD MENU CONTROL
• CENTER KEY - Used to access menu mode, Also used
to confirm the setting
• UP/DOWN KEY - Used to choose the desired menu
selection.
• LEFT/RIGHT KEY - Used to choose the desired menu
feature adjustment.
■ OSD MENU ENTER/EXIT
A. OSD MENU ENTER
• Pushing Center Key for 3 sec onds.
B. OSD MENU EXIT
• Press EXIT Menu from Main Menu
• If Pressing Set Key for 3 seconds from Main Menu appears
In this case, just press Set Key.
C. 'SAVE' and 'QUIT'
• Left or Right Key - Selecting Menu
• Up or Down Key - Returning to Menu
1. Press the SET key to access the main setup mode.
2. Select the desired feature using the UP or Down k ey.
3. Change the status of the selected feature using the LEFT
or RIGHT key.
■ MAIN MENU
A. SETUP ID
• DISPLAY ID
- ON :The ID name will displayed in the monitor.
- OFF : The name will not displayed in the monitor.
• CAMERA ID : You can be written to 12 characteristic.
• ID POSITION : Select on screen position of
the camera ID.
B. LENS
• MANUAL : Use for Manual lens'.
• DC : You can control the brightness of the screen and
adjust the desired D C level from 10 to -40.
C. WDR
•EXPO(EXPOSURE): This will lightening or
darkening the picture
•WDR (Wide Dynamic Range) : You can adjust
the desired WDR level from 20 to -20.
D. WB CONTROL
• ATW (Auto Tracking W hite Balance) : The camera will
automatically control the white balance in any environment.
• AWB (Auto White Balance) : The white balance is
automatically adjusted in a specific environment.
• MANUAL : Users can adjust the colors by adding or
reducing the WB level. You can adjust the desir ed
WB level from 2,500K to 9,500K
E. AGC
• ON : Activate automati c gain contr ol feature.
You can adjust the desired AGC level from 0 to 38dB.
• OFF : Deactivate automatic gain control featur e.
F. LOW LIGHT
• SLOW SHUTTER : Control Image brightness by adjusting
shutter speed
- AGC : shutter speed setting( Range 28 to 48)
- MAX FIELD : Shutter open from Min. x2 to Max. x32
filed accumulation period.
• B&W SS (Black and White Slow Shutter)
• GAIN : To achieve a brighter picture.
G. SYNC
• INTERNAL : Internal synchronizatio n
• LINE LOCK : Phase adjustment may be necessary in
multiple camera instal lations to prevent picture roll
when switching between cameras
H.RS485
• CAMERA # : Selectable from 1 to 255
(Note : Pelco D is the default)
I. DAY/NIGHT
• AUTO : For automatic switchover from day mode to night m ode
( Note : This setting is dependent on the AGC setting.)
• B/W : To keep a B/W image at all times
• COLOR : To keep a color image at all times
• CDS : external input si gnal control
J. EXIT MENU
• EXIT NO CHANGES : No change
• SAVE NEW AND EXIT : Save change
• RESTORE FACTORY SETTINGS : Factory default
• SW REV
K. PREVIOUS PAGE
• PREVIOUS PAGE : Return page
WARRANTY INFORMATION
Digital Watchdog (referred to as “the Warrantor”) warrants the Camera
Series against defects in materials or workmans hip as follows:
LABOR: For the initial five (5) years from the date of original purchase, if the
camera is determined to be def ective, the W arrantor will repair or replace
the unit, with new or refurbished product at its option, at no charge.
PARTS: In addition, the Warrantor will supply replacement parts for the
initial five (5) years.
To obtain warranty or out of warranty service, please contact a T echnical
Support Representative at 1-866- 446-3595 Monday through Friday from
9:00 AM to 5:00 PM Eastern. A purchase receipt or other proof of the date of
the original purchas e is required before warrant y service is rendered. This
warranty only covers failur es due to defects in materials and workmanship
which arise during normal use. This warrant y does not cover damage which
occurs in shipment or f ailures which are caused by products not suppl ied by
the Warrantor or failures which result from acci dent, misuse, abuse, neglect,
mishandling, misapplication, alteration, modification, f aulty installation, setup adjustments, improper antenna, inadequate signal pickup, maladjustment
of consumer controls, improper operation, power line surge, improper
voltage supply, lightning dam age, rental use of the product or service by
anyone other than an authorized repai r facility or damage that is attributable
to acts of God.
LIMITS AND EXCLUSIONS
There are no express warranti es except as l isted above. The W arrantor will not be liable for
incidental or consequential damages (including, without limi tation, damage to recording media)
resulting from the use of these products, or arisi ng out of any breach of the warranty. All express and
implied warranties, including the warranties of merchantability and fitness for particular purpose, are
limited to the applicable warranty period set forth above.
Some states do not allow the exclusion or lim itation of incidental or consequential
damages, or limitations on how long an impl ied warranty lasts, so the above exclusions or limitations
may not apply to you. This warranty gives you specific legal r ights and you may also have other
rights that vary from state to state.
If the problem is not handled to your satisfaction, then write to the Address above.
Service calls which do not involve defective materials or workmanshi p as determined by the
Warrantor, in its sole discretion, are not covered. Costs of such servi ce calls are the responsibility of
the purchaser.
Camera TYPE Model No. C235T
Image Device PIXIM CMOS
Size 1/3"
Pixels-Total 742(H) x 552(V)
Pixels-Effective 720(H) x 540(V)
Scanning System 525 line, 2:1Interlace
Horizontal Frequency Internal Mode 15,734Hz
Vertical Frequency Internal Mode 59.94Hz
Min. Scene Illumination F1.2 [30 IRE] 0.1 Lux [at TDN: 0.01Lux]
Functions WDR ON
AGC ON/OFF (Gain Adjust)
AWB ATW / AWB / Fixed / Manual
Lens C/CS C/CS DC Vari Focal Lens [Option]
Resolution Horizontal 540 TV Lines [at TDN (B/W) :570 TV Lines]
Video Output VBS 1.0Vp-p VBS 1.0Vp-p(75 Load)
S/N Ratio S/N Ratio 48dB
OSD OSD YES
Environmental Conditions Operating Temperature
Humidity Less than 90%
Power Power Requirement 12VDC / 24VAC
Power Consumption
Physical Specification Dimensions(φ x H) 62.0 x 58.8 x 131.8mm
-10℃ ~ +55℃(14℉ ~ 131℉)
12VDC: 190mA
24VAC: 165mA
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