JVC VN-H257U User's Manual
Contents
1. JPEG H 264 High Profile H 264 Baseline Profile MPEG 4 1920 x 1080 1280 x 960 Camera section 50 AGC High 1 30 s Color 0 3 Ix typ Black and White 0 25 Ix typ Audio output Network output Image compression format 1280 x 720 640 x 480 640 x 360 320 x 240 Law 64 kbps AD DA 16 bits RJ 45 100BASE TX 10BASE T FULL HALF Auto negotiation enabled No voltage a contact input PNP open collector input low level latch momentary 500 msec or longer 1 mA circuit current at low level and 3 3 VDC applied voltage at high level Audio compression formats Network interface Alarm input NPN open collector output 16 VDC safe excitation voltage and 30 mA allowable sink current 16 MB Alarm output Alarm record Focal length Rene Maximum aperture ratio Aperture range Zoom ratio Compliant with IEEE802 3 IEEE802 3u and IEEE802 3af TCP IP UDP IP FTP ICMP ARP DHCP SNTP HTTP SMTP RTP RTSP IPv4 LAN ST ion standards crotocol IPv6 DSCP HTTPS SNMP Power supply voltage AC24 V 50 Hz 60 Hz or PoE DC 48 V PoE DC 48 V Current consumption AC24 V 0 5A or PoE 150 mA 7 2 W 120 mA 10 C to 50 C Operation 0 C to 40 C Recommended 20 RH to 90 RH without condensation Approx 480 g Approx 450 g Ceiling mount bracket WB S2205 Ambient temperature Ambient humidity Option sold separately VN H257U VN H237U External2. e Take note of the length strength and pull of the fall prevention wire For the fall prevention wire use the insulation material e When you directly mount the camera on the ceiling use the ceiling mount bracket WB S2205 e To mount the camera using an electrical box consult your dealer or a JVC Service Center near you Open a hole in the ceiling or wall approx 30 mm and pull out the fall prevention wire and cables from the hole the fall prevention wire and cables are not provided Cabling a LAN cable A a Fa prevention wire C K Y j BE Soldering or crimping Monitor output 7 J SN e AEAT Alarm cable H A l VN H257U Ue Audio cable Wrapping insulation Power cable NSA VN H257U VN H257U my JA LAN cable Wire clamp Connect the AC 24 V power cable alarm cable and audio cable to their respective connectors by crimping them or soldering them Wrap unused connectors and the ends of unused cables with insulation tape Make sure the LAN cable is completely inserted into the connector Securing cables Securing the fall prevention wire Secure the fall prevention wire using the wire setscrew Fall prevention wire setscrew Fall prevention wire e Take note of the length and strength of the fall prevention wire Use wire made of insulated material Make the wire length as short as possible When mounting the camera with cables pulled out from the side If you cannot
3. Save these instructions for later use All warnings on the product and in the operating instructions should be adhered to Unplug this appliance system from the wall outlet before cleaning Do not use liquid cleaners or aerosol cleaners Use a damp cloth for cleaning Do not use attachments not recommended by the appliance manufacturer as they may cause hazards Do not use this appliance near water for example near a bathtub washbowl kitchen sink or laundry tub in a wet basement or near a swimming pool etc Do not place this appliance on an unstable cart stand or table The appliance may fall causing serious injury to a child or adult and serious damage to the appliance Use only with a cart or stand recommended by the manufacturer or sold with the appliance Wall or shelf mounting should follow the AA manufacturer s instructions and should use a mounting kit approved by the manufacturer An appliance and cart combination should be moved with care Quick stops excessive force and uneven surfaces may cause the appliance and cart combination to overturn Slots and openings in the cabinet and the back or bottom are provided for ventilation and to insure reliable operation of the appliance and to protect it from overheating these openings must not be blocked or covered The openings should never be blocked by placing the appliance on a bed sofa rug or other similar surface This appliance should never
4. PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL The lightning flash wish arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product s enclosure that age within the product s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance servicing instructions in the literature accompanying the appliance Information for USA This device complies with part 15 of the FCC Rules Changes or modifications not approved by JVC could void the user s authority to operate the equipment 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 CAUTION CHANGES OR MODIFICATI
5. correctly Align the position aligning marks two locations on the camera body and the dome cover mount the dome cover and secure the dome cover with screws Mounting position of a screw supplied Dome cover protective sheet e Secure the dome cover using two dome cover setscrews as required t Continued overleaf 3 Cables Monitor output cable Common J Power cable _ Reo pony VN H257U Red INPUT14 ALARM Black Alarm I O cable VN H257U Audio cable VN H257U Troubleshooting Images on the monitor are dark e If you connect the monitor output RCA terminal inside the dome cover to the test monitor while the monitor output cable on the bottom is connected to video recording equipment or another monitor images may be dark Disconnect the monitor output cable from the video recording equipment or another monitor Alternatively set the terminal of either one of the equipments to OPEN After adjusting the image restore the original condition Movement of network image is not If the monitor image output is turned ON a lower frame rate is set for network images smooth If you turned the monitor image output to OFF set the frame rate again t Instructios Setting Internet Explorer Setting Encoding Page No monitor image is output The image output may be turned Off on Internet Explorer Check the monitor output setting e Check the MIC connection e Is
6. to lightning or the power supply to the air conditioner being turned on the image may be disrupted or noise interference may occur The rotation angle of this camera is increased to enable installation at a wider variety of locations When the lens is at the wide angle position and tilted at an angle close to 80 degrees a part of the camera may come into view on the screen depending on the rotation angle When this occurs adjust the field angle accordingly When using multicast make use of an IGMPv2 compliant network switch Some hubs switches of products that are equipped with intelligent features may include a broadcast multicast suppression function If this function is enabled viewing of multicast images on this camera may fail It is recommended to use shielded LAN cables for connection with this camera The safety and reliability of this camera has been checked by using shielded cables Under halogen lamps light bulbs and other light sources that emit strong infrared light black objects may look almost purple in the recording It is an inherent characteristic of this camera and not a defect During viewing using the Built in Viewer the video and audio may appear out of sync This is not a malfunction VN H257U SAFETY PRECAUTIONS FOR USA These are general IMPORTANT SAFEGUARDS and certain items may not apply to all appliances ah IMPORTANT SAFEGUARDS Read all of these instructions
7. Before touching the camera body make sure you touch the metal surface of the MONITOR terminal first to discharge any static electricity from your body Otherwise static electricity may cause the camera to malfunction Adjust the shooting direction of the camera 1 Connect a test monitor to the MONITOR terminal STATUS indicator MONITOR selection switch NTSC ONN EN ee GS RESET button PAL MONITOR terminal sll x 750 termination Test monitor e The camera has the 16 9 aspect ratio If the test monitor has the 4 3 aspect ratio the camera image is converted into the 4 3 ratio and displayed e Set to NTSC when connecting to an NTSC monitor or set to PAL when connecting to a PAL monitor then hold down the RESET button for approximately three seconds to reboot While the camera is rebooting the STATUS indicator lights up orange e If you keep pressing the RESET button for more than 5s the camera enters the Service mode Do not press this button for more than 5s 2 Adjust the shooting direction of the camera e Before you start remove the light blue protection tape e Adjust the pan tilt and rotation controls of the cameras to face the lens towards the subject e After adjusting the field angle tighten the tilt fastening screw to secure the camera so that its field angle does not go out of alignment e Moving
8. JVC FIXED HD IP DOME CAMERA VN H257U VN H237U For Customer Use Enter below the Model No which is located on the body Retain this information for future reference Model No Serial No Instructions Installation The VN H237U camera is shown in the illustration Thank you for purchasing this product Before operating this unit please read the instructions carefully to ensure the best possible performance The standard camera installation procedure can be found on the back side of this page gt gt gt 2012 JVC KENWOOD Corporation LST1234 001D Safety precautions The power rating is AC 24 V 50 60 Hz PoE VN H257U or PoE VN H237U Use the correct voltage Always use the AC 24 V power source that is insulated from the primary power supply VN H257U A level of supplied power that exceeds the ratings may result in failures smoke or fire If the camera breaks down turn off the power and contact our service center immediately If a level of power that exceeds the ratings is supplied the internal components may be damaged even if no abnormalities are observed in the appearance and or operation of the camera Contact our service center immediately to arrange for an inspection charged separately Attachments and accessories WARRANTY CARD For USA c sesseseeseeeeeeee 1 SCREW M2 cccccccceccecsesseesessessecereseesteseeseseneees 2 Operating Precautions Storage and Operating Env
9. ONS NOT APPROVED BY JVC COULD VOID USER S AUTHORITY TO OPERATE THE EQUIPMENT This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may Cause undesired operation INFORMATION FOR CANADA RENSEIGNEMENT POUR CANADA This Class A digital apparatus complies with Canadian ICES 003 Cet appareil num rique de la Class A est conforme a la norme NMB 003 du Canada Due to design modifications data given in this instruction book are subject to possible change without prior notice WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE AVERTISSEMENT POUR EVITER LES RISQUES D INCENDIE OU D ELECTROCUTION NE PAS EXPOSER L APPAREIL A L HUMIDITE OU ALA PLUIE FOR EUROPE WARNING This is a Class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures Dear Customer This apparatus is in conformance with the valid European directives and standards regarding electromagnetic compatibility and electrical safety European representative of JVC KENWOOD Corporation is JVC Technical Services Europe GmbH Postfach 10 05 04 61145 Friedberg Germany Sehr geehrter Kunde sehr geehrte Kundin die
10. be placed near or over a radiator or heat register This appliance should not be placed in a built in installation such as a bookcase unless proper ventilation is provided This appliance should be operated only from the type of power source indicated on the marking label If you are not sure of the type of power supplied to your home consult your dealer or local power company For appliance designed to operate from battery power refer to the operating instructions 10 For added protection for this product during a lightning storm 11 or when it is left unattended and unused for long periods of time unplug it from the wall outlet and disconnect the antenna or cable system This will prevent damage to the product due to lightning and power line surges Do not allow anything to rest on the power cord Do not locate this appliance where the cord will be abused by persons walking on it 12 Follow all warnings and instructions marked on the appliance 13 Do not overload wall outlets and extension cords as this can result in fire or electric shock 14 Never push objects of any kind into this appliance through cabinet slots as they may touch dangerous voltage points or short out parts that could result in a fire or electric shock Never spill liquid of any kind on the appliance 15 Do not attempt to service this appliance yourself as opening or removing covers may expose you to dangerous voltage or other hazards Refer all se
11. ble range may cause the performance of this camera to deteriorate VN H257U camera VN H237U camera Focusing ring Catches B A Zoom adjustment ring Catches B A Zoom adjustment ring Focus adjustment gear MONITOR terminal Focus adjustment gear Dome cover ia Kip X Tilt fastening screw Protruding pat 4 4 Dome cover protective sheet 7 4 Dome cover 2 Roughly adjust the focus Lift the focusing gear control release the catch from position A and insert it into position B to disengage the gear Note If you open the gear beyond position B the gear shaft is released from the bearing C in the figure on the left to prevent it from being damaged In this case correctly re insert the shaft into bearing A the original position VN H257U camera Rotate the lens section at the tip to roughly adjust the focus OQU Note e Do not hold the lens section when adjusting the direction of the camera The lens section may be damaged if you apply force to it Also exercise care not to leave your finger prints on the lens when you rotate the lens section Return the catch of the focus adjustment gear B to position A shown in the diagram and then return the focus adjustment gear to its original position VN H237U camera Loosen the focusing ring setscrew and roughly focus the image by rotating the ring to the right or left Return the catch of
12. c eu to obtain information about the take back of the product Other Countries outside the European Union If you wish to dispose of this product please do so in accordance with applicable national legislation or other rules in your country for the treatment of old electrical and electronic equipment This installation should be made by a qualified service person and should conform to all local codes This installation shall be in accordance with the National Electrical Code ANSI NFPA 70 The unit is to be powered by a Listed Class 2 power supply or using the PoE The AC 24 V power supply should conform to the following Class 2 only For USA Isolated power supply only For Europe and other Any Mention in this manual of Alarm inputs have not been evaluated by UL to be used for Burglar Alarm Functionality Special technique is required when installing this product Please refer to your dealer for installation Rating label is pasted at the bottom or top of the camera unit JVC is not liable for any compensation if you drop the camera due to insecure mounting by not following the installation description Pay careful attention during installation When mounting this product to a ceiling or wall select a location strong enough to support the weight of this camera If the location is not strong enough to support the weight be sure to reinforce the ceiling or wall before installation The camera may d
13. cut a large enough hole in the ceiling or walls connect by pulling the cables out through the opening in the side of the camera body Li 5 Power cable VN H257U Alarm cable VN H257U Audio cable VN H257U LAN cable Monitor output cable Approx 30 mm Wt WA Fall prevention wire Prepared by customer Alarm cable VN H257U Power cable VN H257U Monitor output cable e 5 Audio cable VN H257U LAN cable Side opening for cables Knob Camera two body locations I Fastening screw Inner depression Inner dome Dome cover setscrews Dome cover Dome cover protective sheet The VN H257U camera is shown in the illustration e The inner diameter of the ring section of the fall prevention wire should be between p 3 1mm and 5 5 mm P 3 1 to 05 5 mm Securely lock the LAN cable so that it will not be disconnected Be sure to properly ground the PoE power sourcing equipment before use e If you use both the AC 24 V power cable and the PoE based LAN cable simultaneously the camera may fail Always supply power using either method e Put the cables into the hole that you opened on the ceiling or wall after connecting Securing the LAN cable Secure the LAN cable using the wire clamp 1 Loosen the attachment screw of the wire clamp until it is loose but not disconnected Wire clamp I fl Attachment screw o
14. dimensions unit mm Mounting hole 46 111 for a screw 117 Hole in the ceiling unit mm 30 cable hole o Pan adjustable EN range o S S Direction cables were pulled out 7 7 Mounting hole for a screw 10 LST1234 001D 4
15. f the wire clamp 2 Roll the wire clamp around the LAN cable Align the mounting direction mark 4 with the shooting direction and mount the camera body on the ceiling or wall Note e Mounting hole is 4 5 mm e Do not use a flat head screw e If you use an impact driver tighten by hand Otherwise the case may be damaged Use the appropriate screws and tighten securely e Use a screw with a head between 6 5 mm and 11 mm Align the mounting direction mark O with the shooting direction and mount the camera e When you mount it on the wall make the mounting direction mark A face up Attachment screw Prepared by customer e Secure the dome cover using two dome cover setscrews as required G Fasten the free end of the wire clamp with the attachment screw of the wire clamp 4 Tighten the attachment screw of the wire clamp and fix the LAN cable ES Continue to next page Z Turn on the power After all connections and installations are completed turn on the power of the unit When the camera is booting the STATUS indicator lights up orange It lights up green after booting Image Adjustment Adjust images by watching them on the monitor The illustration of the camera directly mounted on the ceiling is used The same procedures are performed regardless of the camera is embedded into the ceiling or mounted on the wall with the cables pulled out e
16. ironment This camera has been designed for indoor use It cannot be used outdoors Do not install the camera in the following environments Doing so may result in malfunctions or failure e Hot or cold locations beyond ambient temperature range 10 C to 50 C e Locations beyond the allowable operating humidity range 20 RH to 90 RH no condensation allowed e Near equipment that emits strong magnetic fields such as transformers or motors e Near equipment that emits radio waves such as transceivers and mobile phones e Locations in which excessive dust or sand exist e Locations that are subject to vibration e Locations prone to moisture such as sides of windows e Locations that may contain steam or oil such as kitchens e Locations that are subject to radiation emissions X rays or corrosive gases e Locations where chemicals are used such as swimming pools Use of this camera and cables connected to this camera at locations where strong electrical or magnetic waves are generated e g near a radio TV transformer monitor etc may result in images being affected by noise interference or colors being changed Do not install this camera at locations where cold air is circulated such as near the air vent of an air conditioner The drastic change in temperature may fog up the dome cover Do not install this camera at a location that traps heat This camera discharges heat from the surface of the
17. larities please refer to For details on how to set the output logic please Instructions Setting refer to Instructions Setting e Low level terminal current below 1 mA e Safe excitation voltage DC16 V or lower e High level terminal current 3 3 V e Allowable surge current 30 mA This e Momentary 100 ms to 5000 ms output camera Sensor example 1 For details on how to set the time please refer to Instructions Setting Input 1 or Input 2 This camera Alarm device example Output 1 or DC12 V Output 2 Alarm input equivalent circuit Sensor example 2 Relay switch or other devices OUT Alarm output equivalent circuit e Connect the G terminal cable of this camera to the GND of the alarm device For connecting the Alarm I O cable refer to Cabling 1 gt page 2 Specifications The specifications and appearance of this unit are subject to change for purposes of improvement without prior notice VN H257U VN H237U 1 3 inch Square Pixel Progressive Scan CMOS elementary color filter Approximately 2 120 000 pixels Effective pixels 1944 H x 1092 V 50 AGC High 1 30 s Minimum illuminance isr of subject Color 0 3 Ix typ Black and White 0 03 Ix typ 75 Q 1 0 Vp p Monitor auiput NTSC or PAL switch selectable o plug in power system Audio input Reference voltage DC 2 47 V typ OCS 2 2 KO typ C U Line OUT 200 Q Max 1 9 Vp p O
18. main unit Do not install it at locations that may trap heat such as wall corners Handling Precautions Do not block the vents Inadequate heat ventilation may cause this camera to malfunction Be sure not to block the vents around the camera Copyright Protection With the exception of the user being the copyright holder or when permission such as for duplication has been granted by the copyright holder permission is required in principle to duplicate modify or transmit copyrighted material Unauthorized duplication modification or transmission of copyrighted material may constitute a copyright infringement and the user may be liable to pay compensation for damages When using copyrighted material be sure to check the license agreement or the copyrighted material thoroughly When rights or rights holders are involved with regard to the targeted subject of duplication permission may be required for shooting or using processing it Be sure to check the licensing conditions thoroughly Use of recorded materials without first gaining the prior consent of the author is forbidden under copyright law except in cases of personal use Disclaimer The motion detection feature is not a feature to prevent theft or fire Our company shall not be liable for any loss or damage resulting from the use of this feature We shall not be responsible for any loss or damage caused in the event of privacy invasion as a result of camera f
19. ootage created by this product Maintenance Turn off the power before performing maintenance Wipe off dirt on the dome cover with a lens cleaning cloth or soft cloth For dirt that cannot be easily removed wipe using a neutral detergent diluted with water Following that wipe with a dry cloth Do not use thinner or benzene The surface of the dome cover may dissolve or fog up Saving Energy If the camera is not going to be used for a long period of time turn off the power or the system for safety reasons and to conserve energy Others This camera has a built in AGC circuit Setting AGC to Mid or High increases the sensitivity of a dark image and the screen may appear grainy This is not a malfunction When this camera is used with the white balance set to ATW Auto Tracking White Balance the color tone of some objects may differ slightly from the actual color due to the principle of the automatic tracking white balance circuit This is not a malfunction For regions with a commercial power frequency of 50 Hz switch to the Flickerless mode during use under fluorescent lights excluding inverter lighting equipment to prevent flickers When the electronic sensitivity enhancement feature is enabled the screen may appear grainy and more white spots may appear because the sensitivity has increased However this is not a malfunction If the power supply voltage is momentarily cut off or reduced due
20. rop if the mounting screws are not tightened securely Check that the screws are tightened appropriately and securely Do not install the camera near lighting fixtures of high temperature such as spot lights It might result in failure or fires It should be noted that it may be unlawful to re record pre recorded tapes records or discs without the consent of the owner of copyright in the sound or video recording broadcast or cable program and in any literary dramatic musical or artistic work embodied therein The latest version Please visit V NETWORKS web site to check the latest firmware at http Awww3 jvckenwood com english pro vnetworks index html I E Continued overleaf Removing the dome cover and inner dome e Turn the dome cover counterclockwise to remove it e Turn the inner dome 45 degrees counterclockwise and grasp the inner dome near the stops two locations to remove it Dome cover Inner dome Knob two locations Fall prevention sheet Mounting the Camera Read before starting work Special skills are required to install this unit Install this unit on a location that is strong enough to hold it Make sure you turn off the power supply to the device before starting work When you attach the camera body to the ceiling be sure to wear safety goggles to protect your eyes from falling objects Opening a hole approx 30 mm on the ceiling or wall
21. rvicing to qualified service personnel 16 Unplug this appliance from the wall outlet and refer servicing to qualified service personnel under the following conditions a When the power cord or plug is damaged or frayed b If liquid has been spilled into the appliance c Ifthe appliance has been exposed to rain or water d Ifthe appliance does not operate normally by following the operating instructions Adjust only those controls that are covered by the operating instructions as improper adjustment of other controls may result in damage and will often require extensive work by a qualified technician to restore the appliance to normal operation e Ifthe appliance has been dropped or the cabinet has been damaged f When the appliance exhibits a distinct change in performance this indicates a need for service 17 When replacement parts are required be sure the service technician has used replacement parts specified by the manufacturer that have the same characteristics as the original part Unauthorized substitutions may result in fire electric shock or other hazards 18 Upon completion of any service or repairs to this appliance ask the service technician to perform routine safety checks to determine that the appliance is in safe operating condition FOR USA AND CANADA CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION TO REDUCE THE RISK OF ELECTRICK SHOCK DO NOT REMOVE COVER OR BACK NO USER SERVICEABLE
22. ses Gerat stimmt mit den gultigen europaischen Richtlinien und Normen bezuglich elektromagnetischer Vertraglichkeit und electrischer Sicherheit Uberein Die europaische Vertretung fur die JVC KENWOOD Corporation ist JVC Technical Services Europe GmbH Postfach 10 05 04 61145 Friedberg Deutschland Information for Users on Disposal of Old Equipment European Union This symbol indicates that the electrical and electronic equipment should not be disposed as general household waste at its end of life Instead the product should be handed over to the applicable collection point for the recycling of electrical and electronic equipment for proper treatment recovery and recycling in accordance with your national legislation By disposing of this product correctly you will help to conserve natural resources and will help prevent potential negative effects on the environment and human health which could otherwise be caused by inappropriate waste handling of this product For more information about collection point and recycling of this product please contact your local municipal office your household waste disposal service or the shop where you purchased the product Penalties may be applicable for incorrect disposal of this waste in accordance with national legislation Attention This symbol is only valid in the European Union Business users If you wish to dispose of this product please visit our web page http www jv
23. t to a condenser microphone that has a plug in power system etc Audio cable Black and White LINE OUT Connect to a speaker with a built in amp etc e A shielded audio cable is recommended For the location to connect the audio cable refer to Cabling page 2 Alarm I O cable connection vn x257u Alarm input Alarm output Connect an infrared sensor door sensor metal Connect an alarm device indicator lighting buzzer or sensor a manual switch or other device other device e To avoid noise entering the internal circuit enter the An alarm output signal is an open collector output non voltage contact signal in the Alarm IN terminal You can configure the menu to set the alarm to e Do not supply voltage sound when contacts short circuit MAKE or e The alarm can be set to be activated during close when the contacts are open BREAK Pressure contact MAKE or during open contact BREAK resistance lower than 16V 30 mA can be set from the menu e This terminal has different polarities The output e The alarm signal should last for at least 500 msec If voltage at the positive terminal must always be the alarm signal is short it may not be recognized higher than the output voltage at the negative Input conditions terminal Otherwise the circuit may be damaged e Connect non voltage a contact or open collector Output conditions output circuit e Equivalent to NPN open collector output For details on how to set po
24. the audio setting turned off Instructions Setting Audio Page Lens is out of focus Is the focus adjustment gear engaged Check the location of the catch sae LINE OUT GND LINE OUT LAN cable Conductor 1 0 mm dia 1 6 mm dia 2 0mmdia is ae a switching hub diameter mm or more or more or more eae Max cable e When connecting to a computer distance meters 240 370 rere Crossing sae Tae se Reference value meter or less length and Category 5 or higher grade STP shielded cable is recommended e For safety reasons turn on the power only after ae e The crossing cable may not be used for some confirming that all the connections are completed computer models Check the LAN specifications of e Be sure to turn off the camera before connecting the computer when you directly connect this unit to cables e If you use both the AC 24 V power cable and the mae commer PoE based LAN cable simultaneously the camera Alarm I O cable may fail Always supply power using either method A50 meter or less length shielded cable is e To use an AC 24 V power supply remove the factory recommended installed tape from the power cable connect to an AC 24 V power supply and wrap the connector with new insulation tape Connecting the power cable to AC 24 V source Audio cable connection wwn n257u Connect the audio cable for an audio device Audio cable Brown and White MIC IN Connec
25. the focus adjustment gear B to position A shown in the diagram and then return the focus adjustment gear to its original position 3 Finely adjust the focus VN H257U camera Connect the camera to a computer and open the Built in Viewer e For details about computer settings and methods for connecting the camera to a computer refer to Instructions IP Address Settings Select Day Focus Adjust from the Focus page in Advanced Settings e The focus position is automatically adjusted e For details on focus refer to Instructions Setting on the supplied CD ROM e You can also adjust the focus after mounting the dome cover VN H237U camera Press the FOCUS ASSIST button e The camera enters Focus Assist mode and STATUS indicator flashes green and orange alternately e The image is sharpened with the opening of the aperture Finely adjust the camera focus by rotating the focus adjustment gear knob to the right or left Rotate the focus adjustment gear knob for approximately one base pitch in the direction of the arrow shown in the figure e This is to correct the focus shift when mounting the dome cover Remove the protective sheet of the dome cover and check the camera focus by holding the dome cover over the lens e After checking replace the protective sheet on the dome cover Tighten the setscrew of the focus adjustment ring and fix the focus Press the FOCUS ASSIST b
26. the pan tilt or rotation beyond the adjustment range may damage this unit e As the tilt and rotation range of this unit is wide part of this unit may be reflected in the shooting screen depending on the field angle and direction e Do not hold the lens section when adjusting the direction of pan tilt or rotation The lens section may be damaged if you apply force to it Lig Qa Shooting direction mark SE if O Protection tape Pan center mark Rotation center mark Rotation Knob two locations e Rotate the lens in the pan rotation and tilt directions 175 100 and 80 respectively from the position aligned with the camera s shooting direction mark pan center mark and rotation center mark Be sure to hold the rotation control and adjust the rotation without holding the lens section e When you mount the camera body align the shooting direction mark within the shooting range Knob Knob Adjust the field angle and focus I Adjust the zoom ratio Loosen the fastening screw of the zoom adjustment ring then move the ring to the right and left to adjust the zoom ratio After completing the adjustment tighten the setscrew e Applying force to the zoom adjustment ring while adjusting the image size may result in damage Moving the zoom adjustment ring beyond its adjusta
27. utton e The Focus Assist mode will be released e The STATUS indicator lights up green e It may be difficult to acquire focus automatically when shooting the following places Too bright places Too dark places Places where brightness always changes e g a light is flickering people are passing by in front of the camera Places where there is little contrast of brightness Places where there are repeating patterns of vertical stripes e The focus position can be manually adjusted by using the Built in Viewer installed on your computer connected to the camera f Instructions Setting Resort to this method if it is difficult to acquire focus automatically Mount the dome cover When you mount the dome cover make sure that no cables are connected to the MONITOR terminal Mount the inner dome Engage the inner dome slot with the projection and mount the dome by rotating it in the direction of the arrow Press the inner dome in until you hear the click of the catch f Catches two locations Protruding part Inner depression Inner dome Mount the dome cover and remove the dome cover protective sheet Note e If you remove the dome cover again after installing it the field angle may shift If the field angle has shifted adjust the focus and the field angle again e Check to ensure that the dome cover is firmly mounted The cover may fall off if it is not mounted
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