American Dynamics ADCA330CN Manual de usuario

Fixed Color Cameras

ADCA330CN

ADCA330CP

ADCA470CAFN

ADCA470CAFP

Installation Manual

Fixed Color Cameras Installation Manual

INTRODUCTION

These instructions cover the American Dynamics ADCA470 and ADCA330 series of color

cameras. Read all of these instructions. Use them to install your camera and have them

available for its lifetime. ote that not all cameras have all of the features described in this

manual. Refer below for the features of the individual cameras.

All cameras are fitted with an auto-iris lens connector that is suitable for both direct drive (DC)

and video drive auto-iris lenses. All cameras also have an adjustable back focus mechanism

and accept C and CS lenses.

ADCA470 and ADCA330 series cameras feature:

 1/3 CCD Sensor

 470 TVL (ADCA470) or 330 TVL (ADCA330) resolution

 0.7 Lux (ADCA470) or 0.5 Lux (ADCA330) low light sensitivity

 24V AC/12V DC operation

 DSP Processing

 Automatic Gain Control (AGC)

 Backlight Compensation (BLC)

 Automatic Electronic Shutter (AES)

 Auto White Balance (AWB)

 Manual White Balance Adjust

 Line Lock with Phase Adjust (AC only)

 Auto-Detect DC and Video Auto-Iris Lens Feature

The ADCA470CAF and ADCAC470CAFP high-resolution models offer an additional advanced

feature set:

 ight-SaverTM Mode

 DVR-SaverTM Mode

 7 Selectable Backlight Compensation (BLC) Zones

Installation Manual Fixed Color Cameras

PRODUCT SAFETY

Prior to installation and use of the product, the following warnings should be observed.

 Installation and servicing should be done only by qualified service personnel and conform

to all local codes.

 Power camera only from a UL Listed, Class isolated power supply.

 Do not remove covers as there is a risk of injury or death by electric shock.

 Do not touch the image surface of the sensor. If the sensor is accidentally touched, clean

it only with isopropanol.

 Do not expose the camera sensor to very bright light over a long period of time as this may

damage the CCD. The camera and lens setup must be correct to avoid continual

overexposure to bright light. A lens with an automatic iris is recommended under these

conditions.

 Before installing the lens, make sure that its back will not touch the CCD sensor or

associated components when it is screwed into the camera.

 These cameras must only be used in clean, dry, dust-free environments. For outdoor use,

an appropriate protective housing conforming to IP65 or UL50 or better must be used.

 Only operate your camera between the temperatures of -10OC and +50OC.

REGULATORY NOTICES

ADCA330CN, ADCA330CP and ADCA470CAFP Models

This equipment has been tested and found to comply with the limits of a Class B digital device,

pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection

against harmful interference in a residential installation. This equipment generates, uses, and

can radiate radio frequency energy and, if not installed and used in accordance with the instructions,

may cause harmful interference to radio communications. owever there is no guarantee that the

interference will not occur in a particular installation. If this equipment does cause harmful

interference to radio or television reception, which can be determined by turning the equipment

off and on, the user is encouraged to try and correct the interference by one or more of the

following measures:

 Reorient or relocate the receiving antenna.

 Increase the separation between the equipment and the receiver.

 Connect the equipment into an outlet on a circuit different from that to which the receiver is

connected.

 Consult the dealer or an experienced radio/TV technician for help.

Modifications not expressly approved by the manufacturer could void the users authority to

operated the equipment under FCC rules.

This Class B digital apparatus complies with Canadian ICES-003.

Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada.

ADCA470CAFN Model

This equipment has been tested and found to comply with the limits for a Class A digital device,

pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection

against harmful interference when the equipment is operated in a commercial environment. This

equipment generates, uses, and can radiate radio frequency energy and, if not installed and used

in accordance with the instruction manual, may cause harmful interference to radio communications.

Operation of this equipment in a residential area is likely to cause harmful interference in which

case the user will be required to correct the interference at his own expense.

Modifications not expressly approved by the manufacturer could void the users authority to

operated the equipment under FCC rules.

This Class A digital apparatus complies with Canadian ICES-003.

Cet appareil numérique de la classe A est conforme à la norme NMB-003 du Canada.

Fixed Color Cameras Installation Manual

POWER SUPPLY CONNECTION

These cameras are designed to operate from a 12V DC or 24V AC power supply. Connections

and polarity are indicated above the terminals on the rear panel. The power supply must be

of UL Listed, Class 2 isolated type. The green power LED on the rear panel indicates when

power is connected. Power consumption is less than 4.2 watts.

VIDEO CONNECTIONS

To obtain a video output, connect a video coaxial cable terminated with a 75W B C connector

to the B C socket marked VIDEO OUT on the rear of the camera.

CAMERA LAYOUT

1. DC Lens Level adjustment

2. Low-voltage supply terminals

3. Composite video output

4. White Balan e/Linelo k Phase adjustment

buttons

5. Fun tion swit hes (Camera default is all

swit hes to the RIGHT)

6. Power LED

7. Mounting points

8. Ba k fo us lo king s rews

9. Ba k fo us adjustment

10. Auto-iris lens onne tor

Installation Manual Fixed Color Cameras

NIGHT-SAVERTM (NITE SVR) MODE

Advanced feature models (ADCA470 series) are designed to provide a useable image even in

extremely low light conditions. To activate ight-SaverTM mode, set the NITE VR dip switch on

the back panel to ON. The camera will operate in color where the scene illumination is bright and

will automatically switch to monochrome where the scene illumination is low. Typically, the

switchover occurs at approximately 2.0 lux.

To set the camera to operate in color at all times, set the NITE VR dip switch to OFF.

DVR-SAVERTM (DVR SVR) MODE

Advanced feature models (ADCA470 series) have the DVR-SAVERTM mode. Digital video

recorders use video compression (usually based upon the difference in subsequent frames)

and the required storage capacity is therefore dependent upon the difference in scene content.

Features such as AGC and sharpness enhancement etc., can generate signal noise which will

be interpreted as a change in scene content, therefore increasing the amount of space required

to store the video information. The DVR-SAVERTM mode feature may be used to reduce storage

requirements when the camera is connected to a digital video recorder. Similarly, the DVR

Saver can also be used to reduce bandwidth requirements when the camera is connected to

a digital network via an encoder. When used with an American Dynamics Intellex DVR, video

file sizes can be decreased by up to 30%*.

When the DVR- AVERTM dip switch is set to ON, the image may appear softer, though the

difference is minimal once compressed in the DVR. There also may be a slight reduction in low

light sensitivity. The default setting is OFF.

Results may vary based on lighting and scene content.

BACKLIGHT COMPENSATION (BLC)

The backlight compensation feature can be used to eliminate the effect of an area of strong

background lighting in a scene. If a strong background light such as a window exists in a

scene, the camera will try to compensate for it by reducing the overall exposure. This means

that objects in front of the backlight may appear in silhouette.

BLC will only function with a manual iris lens when the AES facility is switched on. For direct

drive (DC) and video drive lenses, BLC will still function even though the AES facility is switched

off.

The functionality available differs between standard and advanced feature cameras.

tandard Models (ADCA330 eries)

On standard models, the Backlight Compensation feature compensates for back-lit scenes by

enhancing objects in the centre of the scene which would previously have been in silhouette.

Select ON or OFF using the BLC dip switch. Default is OFF.

Advanced Feature Models (ADCA470 eries)

On advanced feature models, it is possible to select areas of the scene which can be used to

control the exposure. To facilitate this, seven pre-defined windows are provided. Use the three

BLC dip switches to select one of the pre-defined windows, as shown in the diagram overleaf.

Fixed Color Cameras Installation Manual

BACKLIGHT COMPENSATION (BLC)

When BLC dip switches are adjusted, an overlay window is displayed on-screen showing the

currently selected window. The overlay window will automatically disappear 5 seconds after

the last dip switch setting is made. Any parts of the scene that are not covered by the BLC

window will be ignored when determining the overall scene exposure.

Back Light Compensation feature - Example

People entering a building through a brightly lit doorway are to be monitored. Without backlight

compensation, a person entering the building would be seen in silhouette because the relatively

bright background would cause the camera to reduce its exposure.

By using the backlight compensation feature, it is possible to select a window around the area

of interest, i.e. the doorway. Choosing window B will ensure that the camera exposure system

only uses the central area of the scene to calculate the scene exposure. Therefore a person

entering the building will be clearly displayed.

AUTOMATIC GAIN CONTROL (AGC)

When switched on, the Automatic Gain Control feature will improve camera sensitivity when

the level of scene illumination is low. As scene illumination level decreases, color information is

reduced. For most applications the AGC feature should be switched on and is therefore the

default setting. Select ON or OFF using the AGC dip switch.

= area used to al ulate the s ene exposure

BLC OFF BLC ON

Installation Manual Fixed Color Cameras

AUTOMATIC ELECTRONIC SHUTTER (AES)

The Automatic Electronic Shutter (AES) feature compensates for excessive light levels by

automatically adjusting the shutter speed of the camera. Select ON or OFF using the AE dip

switch. The default setting is OFF.

When using video drive or direct drive (DC) auto-iris lenses, AES must be turned OFF. When

using a fixed or manual iris lens, AES must be turned ON.

SYNCHRONIZATION (SYNC) SELECTION (LL/INT)

Use the YNC dip switch to select the camera synchronization mode. When the camera is

connected to an AC power supply, select linelock mode by setting the dip switch to LL. This

locks the camera frame rate to the mains frequency so that cameras in a system are triggered

at the same point on the AC cycle. Linelock should be disabled when using DC power or a noisy

AC power supply. To do this, set the dip switch to INT.

If the YNC dip switch is set to LL, manual phase adjustments can be performed using the two

push buttons located on the rear of the camera. To activate these push buttons for manual

phase adjustments, set the WHT BAL/PHA E dip switch to PHA E. The push buttons will then

allow the user to advance or retard the line lock phase trigger point by ±180O (360Oof adjustment).

The factory default setting is the zero crossing point. To reset the trigger point to the factory

default setting, press and hold both push buttons.

WHITE BALANCE (WB)

Two white balance modes can be selected using the WB dip switch. For the majority of

applications, the AUTO setting will provide excellent color rendition and is the default setting.

However, there may be instances where it is necessary to set the white balance manually. To

do this, set the WB dip switch to MAN.

If the WB dip switch is set to MAN, adjustments to the red and blue components of the scene

can be performed manually using the two push buttons located on the rear of the camera. To

activate these push buttons for white balance adjustment, set the WHT BAL/PHA E dip switch

to WHT BAL. To reset white balance to factory settings, press and hold both push buttons.

LENS SELECTION

Suitable lens types are C and CS mount in fixed iris, manual iris, video drive auto-iris or direct

drive (DC) auto-iris versions. Compatible lens sizes are 1/3, 1/2, 2/3 and 1. Cameras are

factory set for CS mount lenses. If using a C mount lens, rotate the back focus adjustment

mechanism fully counterclockwise (when viewed from the front of the camera) before fitting

the lenssee Back Focus Adjustment.

Fixed Color Cameras Installation Manual

BACK FOCUS ADJUSTMENT

There are two adjustment points accessible from the top and bottom of the camera housing that

are used to adjust the back focal length or picture focus. The range of adjustment allows both

C and CS mount lenses to be used without the need for a spacer ring. To use the back focus

mechanism:

1. Unlock the back focus mechanism using the back focus locking screws on the top and

bottom of the camera.

2. Rotate the backfocus adjustment ring as required. When viewed from the front of the

camera, clockwise adjustment moves the CCD sensor towards the back of the lens;

counterclockwise adjustment moves the CCD sensor away from the back of the lens.

3. Lock the back focus mechanism.

BACK FOCUS

LOCKING SCREW BACK FOCUS

ADJUSTMEN

RING

INSTALLING FIXED IRIS LENSES

1. Turn the back focus adjustment ring fully counterclockwise (when viewed from the front)

see Back Focus Adjustment.

2. Fit the lens to the camera.

3. If the lens has a focusing ring fitted, set it to infinity (¥) and then adjust the back focussee

Back Focus Adjustment.

4. Ensure the Automatic Electronic Shutter (AES) and Automatic Gain Control (AGC) features

are both turned O .

INSTALLING MANUAL IRIS LENSES

1. Turn the back focus adjustment ring fully counterclockwise (when viewed from the front)

see Back Focus Adjustment.

2. Fit the lens to the camera.

3. Turn the Automatic Electronic Shutter (AES) and Automatic Gain Control (AGC) features

OFF.

4. If the lens has a focusing ring fitted, set it to infinity (¥) and then adjust the back focussee

Back Focus Adjustment.

5. With typical scene illumination, set the lens iris for the correct exposure. This can be

achieved either visually, or by using an oscilloscope to set the output of the camera to 1V

peak-peak.

6. Ensure the Automatic Electronic Shutter (AES) and Automatic Gain Control (AGC) features

are both turned O .

Installation Manual Fixed Color Cameras

AUTO LENS DETECT - INSTALLING AUTO IRIS LENSES

These cameras automatically sense the type of auto-iris lens that is being used. This should

result in less field installation errors due to incorrect switch settings. These cameras support

either direct drive (DC) or video drive auto-iris lenses. The lenses are connected to the camera

via a 4-pin square socket located on the side of the camera.

Connecting Direct Drive (DC) Lenses

1. Turn the back focus adjustment ring fully counterclockwise (when viewed from the front)

see Back Focus Adjustment.

2. Fit the lens to the camera and connect it according to the diagram below.

Damp (-)

Damp (+) Drive (+)

Drive (-)

Direct Drive (DC) Lenses

The maximum load for this type of lens must not exceed 25mA

3. Turn the Automatic Electronic Shutter (AES) and Automatic Gain Control (AGC) features

OFF.

4. If the lens has a focusing ring fitted, set it to infinity (¥) and then adjust the back focussee

Back Focus Adjustment.

5. With typical scene illumination, set the DC Lens Level adjustment potentiometer on the rear

of the camera for the correct exposure. This can be achieved either visually, or by using an

oscilloscope to set the output of the camera to 1V peak-peak.

6. Ensure Automatic Gain Control (AGC) is now turned O . AE must remain OFF.

Connecting Video Drive Lenses

1. Turn the back focus adjustment ring fully counterclockwise (when viewed from the front)

see Back Focus Adjustment.

2. Fit the lens to the camera and connect it according to the diagram below.

Video Drive Lenses

Lens supply (+) Video Drive signa

Lens Ground

The maximum load for this type of lens must not exceed 50mA

3. Turn the Automatic Electronic Shutter (AES) and Automatic Gain Control (AGC) features

OFF.

4. If the lens has a focusing ring fitted, set it to infinity (¥) and then adjust the back focussee

Back Focus Adjustment.

5. Refer to the lens instructions and adjust the lens for the optimum picture (video output level

of 1V peak-to-peak).

6. Ensure Automatic Gain Control (AGC) is now turned O . AE must remain OFF.

Fixed Color Cameras Installation Manual

CAMERA MOUNTING

Mounting points are provided on the top and bottom of the camera and are used to mount the

camera on a bracket or tripod. They are designed to accept standard photographic mounting

bolts (1/4" 20 U C). The mounting bracket must be capable of supporting the weight of the

camera and its lens. In cases where the lens is substantially heavier than the camera, it is

better to use the mounting point on the lens itself.

OTE: Some installation codes dictate that the mounting bracket must be capable of supporting

up to four times the combined weight of the camera and lens.

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