Bosch VBC-255 Installation And Operation Manual Download Page 27

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Digital Color Camera

Technical Data | en

Bosch Security Systems

Installation and Operation manual

AM18-Q0603 | v1.0 | 2011.04

Technical Data

5.1

Specifications

All versions

Type number

VBC255/11

VBC255/51

Rated supply

voltage

+12 VDC

24 VAC (50 Hz)

230 VAC 50 Hz

Imager

1/3-inch Interline CCD

Resolution

540 TVL

Standard

PAL

Active pixels

752 x 582

Minimum

illumination

<0.65 lux

<0.26 lux with NightSense

SNR

> 50 dB

Video output

1 Vpp, 75 Ohm

Synchroniza-

tion

Internal, Line Lock selectable

Shutter

AES (1/50 to 1/125000]) automatic, flickerless, Off

selectable

AGC

AGC On (0-21 dB) or Off (0 dB) selectable

Back Light

Compensation

(BLC)

One area, center-weighted

White Balance

ATW, AWBhold (2500 to 9000K)

Lens mount

C and CScompatible

ALC lens

Video or DC iris auto detect

Power

consumption

<4 W

Dimensions

(H x W L)

58 x 66 x 122 mm (2.28 x 2.60 x 4.80 in) without lens

Weight

450 g (0.99 lb) without lens

Summary of Contents for VBC-255

Page 1: ...Digital Color Camera VBC 255 en Installation and Operation manual ...

Page 2: ......

Page 3: ...n 11 2 1 Features 11 2 2 Unpacking 11 3 Connections 12 3 1 Power connection 12 3 1 1 Low voltage cameras 12 3 1 2 High voltage cameras 13 3 2 Video connection 13 3 2 1 Composite video signal 13 3 2 2 Y C output video signal 14 3 3 Lens mounting 15 3 4 Back focus adjustment 16 3 5 Mounting the camera 18 4 Configuration 19 4 1 Menus 19 4 1 1 Top level menus 19 4 1 2 Menu navigation 20 4 2 Main menu ...

Page 4: ...4 en Table of Contents Digital Color Camera AM18 Q0603 v1 0 2011 04 Installation and Operation manual Bosch Security Systems 5 Technical Data 27 5 1 Specifications 27 ...

Page 5: ...tuation such as Dangerous Voltage inside the product If not avoided this will result in an electrical shock serious bodily injury or death WARNING Medium risk Indicates a potentially hazardous situation If not avoided this could result in minor or moderate bodily injury CAUTION Low risk Indicates a potentially hazardous situation If not avoided this could result in property damage or risk of damag...

Page 6: ...ke precautions to protect the unit from power and lightning surges 5 Controls adjustment Adjust only those controls specified in the operating instructions Improper adjustment of other controls may cause damage to the unit 6 Power sources Operate the unit only from the type of power source indicated on the label 7 Servicing Unless qualified do not attempt to service this unit yourself Refer all se...

Page 7: ...llecting systems are usually in place for disused electronic and electrical products Please dispose of these units at an environmentally compatible recycling facility per European Directive 2002 96 EC WARNING Power disconnect for high voltage versions A unit has power supplied whenever the power cord is inserted into the power source The power cord plug is the main power disconnect for the unit Fo...

Page 8: ...can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures reorient or relocate the receiving antenna increase the separation between the equipment and 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 rad...

Page 9: ...MAKES NO REPRESENTATIONS WARRANTIES OR CERTIFICATIONS WHATSOEVER REGARDING THE PERFORMANCE OR RELIABILITY OF ANY SECURITY OR SIGNALING RELATED FUNCTIONS OF THIS PRODUCT Disclaimer Underwriter Laboratories Inc UL has not tested the performance or reliability of the security or signaling aspects of this product UL has only tested fire shock and or casualty hazards as outlined in UL s Standard s for ...

Page 10: ...ordingly Note This manual has been compiled with great care and the information it contains has been thoroughly verified The text was complete and correct at the time of printing The ongoing development of the products may mean that the content of the user guide can change without notice Bosch Security Systems accepts no liability for damage resulting directly or indirectly from faults incompleten...

Page 11: ...mpensation Lens autodetection Lens wizard for easy backfocus 2 2 Unpacking Unpack carefully and handle the equipment with care The packaging contains Digital color camera CCD protection cap mounted on camera Spare lens connector male These instructions If equipment has been damaged during shipment repack it in the original packaging and notify the shipping agent or supplier WARNING Installation sh...

Page 12: ... Connect power from a 24 VAC or 12 VDC class 2 power supply as follows Use AWG16 to 22 stranded wire cut back 10 mm 0 4 in of insulation Push in the tabs and insert the wires Note These connections are not polarity sensitive CAUTION Before proceeding disconnect the power from the power supply cable Ensure that the voltage of the unit matches the voltage and type of the power supply being used VIDE...

Page 13: ...e cameras Figure 3 2 High voltage power connection Connect the power cable of a high voltage camera to a 230 VAC power supply outlet 3 2 Video connection 3 2 1 Composite video signal Figure 3 3 Composite BNC connector For a composite video output signal connect the video coax cable to the BNC connector of the camera VIDEO VIDEO Video BNC ...

Page 14: ...amera AM18 Q0603 v1 0 2011 04 Installation and Operation manual Bosch Security Systems 3 2 2 Y C output video signal Figure 3 4 Y C connector For a Y C video output signal connect the Y C video cable to the Y C connector of the camera ...

Page 15: ...lens connector the on screen display OSD failure message LENS SHORT CIRCUIT is shown The lens circuit is automatically disabled to avoid internal damage Remove the lens connector and check the pin connections CAUTION To avoid damaging the CCD sensor when using a C mount lens turn the green back focus ring counterclockwise until it stops before mounting the lens Lenses weighing more than 0 5 kg 1 1...

Page 16: ...s even when focusing at the maximum lens iris opening When back focusing zoom lenses ensure the object of interest remains in focus throughout the entire zoom range of the lens To adjust back focus 1 Open the slide door panel at the side of the camera 1 Unlock the back focus locking button 2 Press and hold the center key for more than 1 5 seconds until the Install menu appears 3 Select Wizard and ...

Page 17: ...y Systems Installation and Operation manual AM18 Q0603 v1 0 2011 04 6 Press and hold the center key for more than 1 second until all the menus disappear 7 Close the side door panel Note To back focus a zoom lens see the zoom lens installation guide Bosch ...

Page 18: ...curity Systems 3 5 Mounting the camera The camera can be mounted either from the top or from the bottom 1 4 20 UNC thread The bottom mounting is isolated from ground to prevent ground loops Figure 3 7 Mounting a camera CAUTION Do not point the camera lens into direct sunlight as this may damage the sensors ...

Page 19: ...ettings are easily compared 4 1 Menus 4 1 1 Top level menus There are two upper level menus a Main menu and an Install menu The menus have functions that can be selected directly or submenus for more detailed set up To access the Main menu press the menu select button center for less than 1 second The Main menu appears on the monitor Select and set up the picture enhancement functions If not satis...

Page 20: ...ove through options or to set parameters When in a menu quickly double press the menu select key to restore the selected item to its factory default To close all menus at once hold down the menu select key until the menu display disappears or continually select the Exit item Some menus automatically close after about two minutes other menus have to be closed manually Figure 4 1 Side panel door Fig...

Page 21: ...itions a negative value is more useful for very bright conditions Shut AGC Submenu Picture enhancement and performance BLC On Off Set to On to enable Back Light Compensation BLC When On the level is optimized at the center of the screen Parts outside the center may be under or over exposed this is normal Color ATW AWB hold Submenu White balance and color rendition not available in NightSense mode ...

Page 22: ... the camera automatically sets the gain to the lowest possible value needed to maintain a good picture Off sets AGC off Autoblack On Off Autoblack On automatically increases the visibility of details even when scene contrast is less than full range due to mist fog etc NightSense Auto Forced Off Nightsense extends the low lightperformance of the camera AUTO mode the camera automatically inches to m...

Page 23: ...ffsets for special conditions Item Selection Description White balance ATW AWBhold ATW Auto tracking white balance allows the camera to constantly adjust for optimal color reproduction AWBhold Puts the ATW on hold and saves the color settings Red gain 5 to 5 Adjusts the Red gain to optimize the white point Blue gain 5 to 5 Adjusts the B gain to optimize the white point EXIT Returns to main menu ...

Page 24: ...he camera automatically selects the type of lens Manual DC iris Video modes select the matching lens type to force the camera to the correct lens mode Speed Fast Selects the response time of DC iris lenses Some lenses require slow lens control to avoid overshoots Wizard Submenu Select to optimize the camera lens combination backfocus point Coax Com On Off Communications enabled or disabled Default...

Page 25: ...re Manual iris Lens 1 Unlock the back focus locking button 2 Adjust the lens to the maximum lens opening 3 Turn the back focus adjustment as required 4 Lock the back focus locking button 5 Adjust lens opening to suit scene Item Selection Description Set Backfocus now Select to fully open the iris Follow the instructions below for setting the backfocus for your particular lens type After focusing t...

Page 26: ... button 2 Access the Lens Wizard menu 3 Set Back Focus Now is highlighted in the menu 4 Turn the back focus adjustment as required 5 Lock the back focus locking button 6 Select Set LVL in the menu the Level bar appears 7 Point the camera at the scene it will be mostly viewing 8 Adjust the level potentiometer located on the lens until the Level bar is in the central position 9 Exit the menu ...

Page 27: ... x 582 Minimum illumination 0 65 lux 0 26 lux with NightSense SNR 50 dB Video output 1 Vpp 75 Ohm Synchroniza tion Internal Line Lock selectable Shutter AES 1 50 to 1 125000 automatic flickerless Off selectable AGC AGC On 0 21 dB or Off 0 dB selectable Back Light Compensation BLC One area center weighted White Balance ATW AWBhold 2500 to 9000K Lens mount C and CScompatible ALC lens Video or DC iri...

Page 28: ...Camera AM18 Q0603 v1 0 2011 04 Installation and Operation manual Bosch Security Systems Tripod mount Two 1 4 20 UNC isolated bottom and non isolated top Operating temperature 20 C to 50 C 4 F to 122 F Controls OSD with softkey operation ...

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Page 30: ...Bosch Security Systems www boschsecurity com Bosch Security Systems 2011 ...

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