WAT-902B
Operation ManualThis Operation Manual covers safety, camera functions, installation and thecorrect operating procedure for the WAT-902B. First, we ask you to read thisOperation Manual thoroughly, then install and operate the WAT- WAT-902B
as advised. In addition, for future reference, we also advise safe keeping of
this manual.
Please contact the distributor or dealer from which the WAT-902B waspurchased, if you do not understand the installation, operation or safety
instructions laid out in this manual. Not understanding the contents of theOperation Manual sufficiently may cause damage to the camera.

Guide to the Safety Symbols
The definitions of the symbols used in this operation manual are:
When you do not adhere to or take notice of the “Danger” sign,
it may lead to a serious accident such as death or injury causedby fire or electric shock.
When you do not adhere to or take notice of the “Warning” sign,
it may cause severe damage such as a physical injury.
When you do not adhere to or take notice of the “Caution” sign,
it may incur injury and cause damage to peripheral objects in
the immediate surroundings.

Cautions for Safety
The WAT-902B is designed to be used safely; however, it may lead to aphysical accident caused by fire and electric shock if not used correctly.
Therefore, please keep and read the “Cautions for Safety” below forprotection against accidents.
 Do not disassemble and/or modify the WAT-902B.
 Do not operate the WAT-902B with wet hands.

 Use a stabilized power adaptor designed for DC+12V±10%, with a current capacity of more than 250mA for theWAT-902B.
The recommended voltage is DC+12V±10%
 Do not expose the WAT-902B to wetness or high moisture

conditions.
The WAT-902B is designed and approved for indoor use only.
The WAT-902B is not water-resistant or waterproof. If thelocation of the camera is outdoors or in an outdoor likeenvironment, we recommend that you use an outdoor camera
housing.
 Protect the WAT-902B from condensation.
Keep the WAT-902B dry at all times during storage andoperation.
 Should the camera not work properly, switch off the power
immediately. Then check the camera according to the“Problems and Trouble Shooting” section.

Use a support of durable strength around an installation
position on a ceiling or wall when a camera stand or tripod isused.
 Do not move the WAT-902B with the cables connected.
Before moving the WAT-902B, always remove the video cableand power cable from the rear of the camera first.
 Avoidusing the WAT-902B near any strong
electromagnetic field.
After installing into main equipment, if the WAT-902B is
exposed to electromagnetic waves causing the monitored
image to become distorted, we recommend the camera beshielded by appropriate protective casing.

Problems and Trouble Shooting
If any of the following problems occur when using the WAT-902B,
 An optimal picture cannot be obtained, after checking that all the cables

and connections are correctly in place Smoke or any unusual odor emerges from the WAT-902B.
 An object becomes embedded or a quantity of liquid seeps into the camera

housing More than the recommended voltage or/and amperage has been applied
to the WAT-902B by mistake Anything unusual occurring to any equipment connected to the WAT-902B.
Disconnect the camera immediately according to the following
procedures:①CCD FRONT FACE
The light receiving face of the CCD camera(Dirt, water or oil deposits on the CCD will cause an unclear picture on themonitor. Attach the lens cap to protect the lens and CCD from contaminationand damage.)5） Insert the power plug of the power adaptor into ⑧POWER IN on theback panel of the WAT-902B. Confirm that the power adaptor is notconnected to the power supply before insertion of the power plug into
⑧POWER IN.

②LENS MOUNTMount for the lens (Thread type)6） Turn on the power to the WAT-902B, monitor and all other alliedequipment. When a picture cannot be obtained on the monitor, or a
problem occurs, check and follow the procedure mentioned in the【Problems and Trouble Shooting】 section.

③FOCUSING ADJUSTMENT SCREWS
There are 3 hex. adjustment screws each placed at intervals of 120゜forfine focusing of the lens.

7） After following the procedure below and the picture is still out of focus,
open the iris fully and loosen ③FOCUSING ADJUSTMENT SCREWSand move the lens forwards until a clear picture is obtained.

④AUTO-IRIS SOCKETThis socket is for a video auto-iris lens.
※For DC iris lenses, see the section below

Manual Lens

⑤TRIPOD MOUNTING SCREW HOLES
Mounting holes for stands. The size of these threads are 1/4”, 20 threads,
4.5±0.2mm, which is the same as any standard camera tripod (U1/4”).

Video Auto-iris Lens

③ Contact the distributor or dealer from which the WAT-902B waspurchased.

About EMC
The WAT-902B is in conformity with EMC test standards carried out byauthorized organizations in Japan.
EI A

FCC Part15 class B

CCIR

EN61000-6-3/EN50130-4⑦AE MODE CONTROLThe switch for the shutter speed mode control according to the object
being monitored.
⑧POWER IN
The terminal designed for the DC-plug of the power adaptor⑨FUNCTION SWITCHES
Functional switches for setting back light, AGC, gamma control.

Do not modify the WAT-902B. A modified camera may notconform to EMC test standards.

Contents
Using the contents figures below, check to make sure all parts are present
before use.

Lens Mount Cap

WAT-902B

Description of Parts

DC PlugIris Connector

Power Supply
Use a stabilized power adaptor designed for DC+12V±10%, with a current
capacity of more than 250mA.
Use the optional DC plug if the shape or polarity of the DC plug of the power
adaptor to be used is not compatible with the camera (See the drawing on
the right below).

The wiring on the connector must be exact.
Be careful not to touch the other terminal while wiring.
Protect the wiring portion by using insulation tape afterwiring. If the above care and attention is not adheredto, damage to the WAT-902B and power adaptor mayoccur and may also cause fire.

AEModeEffect

ON(EI)

Automatically selects the shutter speed in the range
between EIA: 1/60-1/100000, CCIR: 1/50-1/100000
according to the lighting condition.

FLReduces the flickering phenomena occurring on themonitor screen caused by fluorescent or mercury lamps.
(Fixes the shutter speed to EIA: 1/100, CCIR: 1/120)

OFF

Fixes the shutter speed to EIA: 1/60, CCIR: 1/50.

※ In E.I mode, intense light may leave a trail on the screen longitude.
This smearing is a natural phenomenon and is not due to equipment
failure or fault.
9） Set the ⑨FUNCTION SETTINGSWITCHES according to yourrequirements.

Ｏ Ｎ

BLC targeted area
DC+12V

SwitchSetting

Effective ConditionON When the picture of themonitored object is silhouetted
due to strong lighting fromabove or behind.

OFF When the illuminationdifferences between amonitored object is narrow.

ON When sensitivity is more
important than the SN ratio.
 When an auto iris lens can not
be used for generalsurveillance purposes.

OFF When SN ratio is more
important than sensitivity.
 When adequate lighting ispresent or a stable lighting
condition is available.

ON【HI】

 When sensitivity is more
important than the SN ratio

OFF【LO】

 When SN ratio is important and
AGC is also required.

ON Applicable to a generalsurveillance monitoring systemOFF When gamma correction is not
required for image processing

COMMON(GND)

Auto-iris Lens

1.
B.L.C

Before connecting the auto-iris lens, please make sure that the pin
configuration is correct by checking with the following figure below. If theconfiguration of your iris connector isdifferent from the following, the plugand pins will need to be rewired.

※ This auto-iris terminal is only for video auto-iris lenses.

2.
AGC

 Avoid the striking of hard objects or dropping theWAT-902B.
The WAT-902B uses high quality electrical parts and precisioncomponents.
 Do not connect any power supply directly to the video out
terminal of the unit.
Do not connect the WAT-902B with any monitor using avideo/power single transmission terminal. The WAT-902B is
not designed for use with this type of equipment. We alsoadvise you to read the operation manual of the monitor you
plan to use before any connections are made.
 Do not install the WAT-902B in a position subject to direct
sunlight.
Sunlight shinning directly onto the WAT-902B lens can cause
damage to the CCD.

Adjust the focus on the lens.

8） Select the required shutter speed mode by the ⑦AE MODE CONTROL⑥VIDEO OUT (BNC)
The terminal for composite video signal output① Switch off the main power supply to the camera.
② Remove the power and video cables connected to the WAT-902B.

Adjust the focus and iris to the best positionon the lens.

1234

 Select a stable place for installation of the WAT-902B.

Monochrome CCD Camera

Set-up and Operation
1） Ensure that the power to the WAT-902B and the peripheral equipment
is turned off before making any connections.
2） Remove the lens mount cap from the WAT-902B and attach the CSmount lens. Use the optional C-mount adaptor (30CMA-R) when a Cmount lens is used.
3） Connect the iris cable to ④AUTO-IRIS SOCKET on the WAT-902B
when an auto-iris lens is being used.
4） Connect ⑥VIDEO OUT on the WAT-902B with the monitor, using acoaxial cable with 75Ω impedance, such as an RG-59 or an RG-6/U.
Select a monitor with the same television system as the WAT-902B: EIAor CCIR. A monitor with more than 600TV lines is recommended.

3.
AGC

4.
Gamma
Correction

FactorySettings

Options
To purchase these options, please contact the distributor or dealer fromwhich you purchased the WAT-902B.

C-mount Adaptor (30CMA-R)
This lens mount adaptor is used toconvert a CS-mount to a C-mount.

Mini Stand (MS50)
A convenient stand for theWAT-902B. With this stand, thecamera can be adjusted to any
desired angle.

Contact information
 Design and specifications are subject to change without notice.
 Watec is not responsible for any inconvenience or the attendant damages

to the video and monitoring recording equipment caused by misuse, misoperation or improper wiring of our equipment.
 If for any reason the WAT-902B does not work properly, or if you have any
questions regarding installation or operation, please contact the distributor
or dealer from which it was purchased.

Contact information
Watec Co., Ltd.
Add:
TEL:
E-mail:URL:

254-2 Nihonkoku, Daihoji, Tsuruoka- Shi,
Yamagata-Ken, 997-0017 Japan+81-235-23-4400 FAX: +81-235-23-4409
info-o@watec.co.jp
http://www.watec.co.jp

0822Z17-Y2000005