Home
NVIP-3DN7000V/IRH-2P - Camere supraveghere video profesionale
Contents
1. You can also connect it directly via power supply adapter with parameters ocala with camera power supply specification After connecting power supply green LED should light on Initialization process is then started which takes about 30 seconds You can then proceed to connect to the camera via web browser quantity of data sent Connecting via web browser is then possible If co tion isn t established the network cable is disconnected green and orange LEDs aren t active solid light means that network If the connection is successfully established orange LED blinks with oni 1 proportional to the id connection is ok but camera doesn t receive or send any data with possible PC network settings error The recommended way to start an IP camera and perform its configuration is a connection directly to the network switch which is not connected to other devices o obtain further information about network configuration parameters IP address gateway network mask etc please contact your network administrator Connection utilising network switch with PoE support CZ Network P IP Camera Computer noVus CZ gt d om nunnnnnnnnnnnaun LAA Network transmission Power supp nd B network tra ission A o Connection utilising external power supply and network switch IP Cam ra Network Switch Computer y _ amp D N Q noVus S Sy q LILLE LEE u Network transmission All righ
2. NVIP 3DN7000V IRH 2P Users manual short form ver 1 0 IMPORTANT SAFEGUARDS AND a L WARNING THE KNOWLEDGE OF THIS MANUAL IS AN INDESPENSIBLE CONDITION OF PROPER DEVICE OPERATION YOU ARE KINDLY REQUSTED TO FAMILIRIZE YOURSELF WITH THE MANUAL PRIOR TO INSTALLATION AND FURTHER DEVICE OPERATI S WARNING 3 USER IS NOT ALLOWED TO DISASSEMBLE THE CASING AS TH ARE NO USER R SERVICEABLE PARTS INSIDE THIS UNIT ONLY AUTHORIZED SERVICE PERSONNEL MAY OPEN THE UNIT S INSTALLATION AND SERVICING SHOULD ONLY BE DONE BY QUALIFIED SERVICE PERSONNEL AND SHOULD CONFORM TO ALL LOCAL REGUL TIONS S V 1 Prior to undertaking any action please consult the following R and read all the safety and operating A instructions before starting the device 2 Please keep this manual for the lifespan of the device in gare referring to the contents of this manual is Q necessary A U 3 All the safety precautions referred to in this manual should be strictly followed as they have a direct influence on user s safety and durability and reliability of the device 4 All actions conducted by the servicemen and users must be accomplished in accordance with the user s manual QE 5 The device should be disconnected from po ources during maintenance procedures 6 Usage of additional devices and components neither provided nor recommended by the producer 1S forbidden Z 7 You are not allowed to use the m high humidity environmen
3. for screws and cables using a punch for example Drill holes in accordance with camera s base hole place a e Drill cable hole in the mounting place O a Mount the camera base using included screws N e Mount the camera module to camera s base and loc the A screw NOTE In order to obtain declared degree of protection e seal the camera bracket to prevent water setting inside Furthermore when installing the brace on rough uneven surfaces please additionally seal the junction with appropriate sealing mass Please pay special attention to any mounting holes and if they are a loop throu nes seal them too To adjust scene observed please follow the instructions below Push latches C in the direction pointed by arrow and remove cover Loosen the vertical adjustment screws D screws Point the camera to a desired scene in accordance with figures below Block vertical adjustment screws D screws Adjust zoom and focus loosening the zoom focus blocking E screws e Put cover onto the camera o Put dome one camera s base and secure it using screws a All rights reserved AAT Holding sp z o o 11 NVIP 3DN7000V IRH 2P Users manual short form ver 1 0 START UP AND INITIAL CAMERA CONFIGURATION Q 2 7 2 3 Starting the IP camera at Q To run NOVUS IP camera you have to connect ethernet cable between camera and netijotl switch with PoE support IEEE 802 3af
4. this file type can potentially harm Lo our computer Only install software from publishers you trust Whats the risk amp WARNING This program is protected by copyright law and international treaties amp If the installation fails changing security settings for the IE browser is required In order to do that please choose T 0018 gt Internet options gt Security tab gt Custom level and Q Under Download unsigned ActiveX controls select either Enable or Prompt Under Initialize and script ActiveX controls not marked as safe select Enable or Prompt You can also add the camera s IP address to trusted zone and set lowest security level for it X In addition when working in Windows Vista 7 the ActiveX applet may be blocked by Windows Defender or User account control In such case you should allow to run this applet or simply disable All rights reserved AAT Holding sp z o o 15 NVIP 3DN7000V IRH 2P Users manual short form ver 1 0 NETWORK CONNECTION UTILIZING WEB BROWSER 3 3 Connection with IP camera via other browser eg Chrome Mozilla Firefox Safari It is also possible to connect to the camera using Mozilla Firefox but this browser doesn t offer full functionality of the camera so the recommended browser is Internet Explorer The first run of the IP camera in browser is very similar to the IE version After you type the correct IP address you have to write correct username and pass
5. 000V IRH 2P Users manual short form ver 1 0 TABLE OF CONTENTS Q TABLE OF CONTENTS cerca ese O EE W AOR APanc 1 FOREWORD INFORMATION IBIR SSG Al CAL ACL CII STI e RAY a ax 6 1 2 NVIP 3DN7000V IRH 2P tech specification ccccccceceeeeeeees p ME 7 o Roe OO do PO A A 8 2 AC eh ie COLOR an Q E 9 2 START UP AND INITIAL IP CAMERA CONFIGURATIO W EA 10 2 1 Description of connectors and control tools EA 10 2 2 NVIP 3DN7000V IRH 2Pmounting N EPE 11 24 HALLE the IP CAMES 2 mur R di GEE 12 2 4 Initial configuration via the Web browser S E EEEE E 13 3 NETWORK CONNECTION UTILIZING WE B BE OSWER enteric aka 14 3 1 Recommended PC specification for web browser NE 14 3 2 Connection with IP camera via the Internet EXplOTET ORC 14 3 3 Connection with IP camera via t DOS cones entre s rneronenerenercsanereeets 16 OP 4 WWW INTERFACE WORKING W ITH IP CAMERA 18 4 1 Displaying live pictures NN 18 CZ 5 ELECTRIC CONNECTORS AND ACCESORIES cn 20 5 1 Connecting power SUPPLY POMC CAC MA a a eee e 20 5 1 Connecting alarm pU AA OUR ROA AA EO AA WO 20 5 2 SD card installation CNA 21 6 RESTORING FACTORY DEFAULTS ann 22 6 1 Restoring s ltware TACIOL CTA IEG ere ee A NS 22 6 ja hardware factory defaults in IP cameras 22 K Q o Q a All rights reserved AAT Holding sp z o o 4 NVIP 3DN7000V IRH 2P Users manual short form ver 1 0 TABLE OF kobe i
6. 2 g R S S S A S Q 7 amp S S A A P 2 SQ gt Lo S of e O gt S S Cy amp D SS D N gt RAK WY A All rights reserved AAT Holding sp z o o 5 NVIP 3DN7000V IRH 2P Users manual short form ver 1 0 FOREWORD INFORMATION 1 FOREWORD INFORMATION 1 1 General Characteristics amp Imager resolution 3 0 megapixels N e Mechanical IR cut filter IR operation capability S a Min Illumination from 0 02 Ix F 1 2 B W DSS 0 Ix with IR LED on W Wide Dynamic Range WDR for enhanced image quality in diverse ligh Yditions o Digital Slow Shutter DSS 2 e Digital Noise Reduction DNR S Aspherical lens with auto D type iris f 2 8 12 mm N e Built in 23 LED illuminator SS Privacy zones 5 o Alarm input and outputs l A e Compression H 264 M JPEG Z Max video processing resolution 2048 x 1536 o e Quadruple streaming compression resolution speed and quality defined individually for each video stream S RTP RTSP protocol support for video eee a Pre amp post alarm functions R Hardware motion detection e Built in webserver camera configuration through the website MicroSD SDHC card SUPE Wide range of respons Mo alarm events e mail with attachment saving file on FTP server triggering alarm output saving file on SD SDHC card HTTP notification Q Network protocol Sport Onvif 2 0 HTTP TCP IP IPv4 v6 UDP HT
7. 264 2 All rights reserved AAT Holding sp z o o 17 NVIP 3DN7000V IRH 2P Users manual short form ver 1 0 WWW INTERFACE WORKING WITH IP CAMERA 4 WWW INTERFACE WORKING WITH IP CAMERA 4 1 Displaying live pictures Streaming 2010 04 05 00 32 MT r 1 Main tabs Home live view page System camera settings IP recording sending alarm messages motion detection Streaming streaming settings for audio and video audio Camera picture settings Logout 2 Language selection 3 Video stream selection 4 ActiveX settings for live video Display mode in web browser Full screen view Microphone enable audio from microphone Speaker enable audio sending to the camera All rights reserved AAT Holding sp z o o 18 NVIP 3DN7000V IRH 2P Users manual short form ver 1 0 WWW INTERFACE WORKING WITH IP Ki i 7 a Snapshot saves the current frame in JPEG format D SS 4 RIZ Video Streaming pause play button A D ci Web recording to AVI button S 5 Video streaming information 05 Right mouse button click on the live screen view displays additional information about actual video and audio transition parameters A Url rtsp 192 168 1 200 Connection UDP UNICAST Network Display 25 24 fps Video size 1920 x 1080 Format H 264 90000 PCMU 8000 1 Video bitrate 4727 k Z Video drop 0 Audio bitrate 66 k All rights r
8. HCP server check IP address lease and its linking with camera MAC address to avoid changing or losing IP address during device operation or network DHCP er breakdown You have to remember to use a new camera IP address after changing network p rameters After network setting configuration has been done the camera can be connected to a target network gt All rights reserved AAT Holding sp z o o 13 NVIP 3DN7000V IRH 2P Users manual short form ver 1 0 NETWORK CONNECTION UTILIZING WEB BROWSER A 3 NETWORK CONNECTION UTILIZING WEB BROSWER 3 1 Recommended PC specification for web browser connections gt Requirements below apply to connection with an IP camera assuming smooth image display in 1920x1080 resolution and 25 fps speed I CPU Intel Pentium IV 3 GHz or newer z 2 RAM Memory min 512 MB aS VA 3 VGA card any displaying Direct 3D with min 128 MB RAM memor 4 OS Windows XP VISTA A 5 Direct X version 9 0 or newer Cz 6 Network card 10 100 1000 Mb s O V 3 2 Connection with IP camera via the Internet Explorer You have to enter camera IP address in the Internet Expl rer address bar If IP address is correct user login window will be displayed O NY ere i Fa Exel Windows Security The server 192 168 1186 at MegapixellPCamera requires a username and password Warning This server is reg esting that your username and password be sent in an insecure mannef basic
9. TPS Multicast FTP DHCP DDNS NTP RTSP RTP UPnP SNMP Qos Software NMS NOVUS MANAGEMENT SYSTEM for video recording live monitoring playback and remote IP devices administration Y Q Built in 1 u amp heater Pow Supply I2VDC 24VAC PoE Power over Ethernet PoE is available for cameras operating without heater and or fan aS All rights reserved AAT Holding sp z o o 6 NVIP 3DN7000V IRH 2P Users manual short form ver 1 0 FOREWORD son AN 2 Vi 1 2 NVIP 3DN7000V IRH 2P specification RO 1 2 8 3M CMOS Va pasm te Min Illumination B W 0 02 Ix F 1 2 DSS S IR OIx Aspherical auto iris DC f 2 8 12 mm F1 2 Image function DNR digital noise reduction 2048 x 1536 1920 x 1080 1280 x 1024 1280 x 720 1024 x 768 800 x 600 720 X 576 640 x 480 352 x 288 Up to 30 fps for 1920 x 1080 and lower resolution act ment saving file on FTP saving file to SD card alarm output activation HTTP notification alarm up to 20 frame of picture or 3sec _Post alarm ae 20 frame of ii or 9999sec u if 2 0 HTTP TCP IP IPv4 v6 UDP HTTPS Multicast FTP lt 2 DHCP PPPoE DDNS NTP RTSP RTP UPnP SNMP QoS Password protected camera access and its configuration HTTPS IP a filtering IEEE 802 1X Privacy Zones 1 x Jack 3 5mm 1 x Jack 3 5mm 1 NO NC 1 electronic relay galvanically isolated 0 1A 30V AC DC Exte
10. User s manual short NOVUS NVIP 3DN7000V IRH 2P Users manual short form ver 1 0 IMPORTANT SAFEGUARDS AND WARNINGS Q WZ EMC 2004 108 EC and LVD 2006 95 EC Directives D U CE Marking Our products are manufactured to comply with requirements of the following directives and national regulations implementing the directives WD Electromagnetic compatibility EMC 2004 108 EC Low voltage LVD 2006 95 EC with further amendment The Directive applies to electrical equipment designed for use with a voltage rating of between C and 1000VAC as well as 75VDC and 1500VDC R lt Q N Information on Disposal for Users of Waste Electrical and Electronic Equipment A This appliance is marked according to the European 1000VAC Directive on Waste Electrical and Electronic Equipment 2002 96 EC and further amendments By ensuring this product is disposed of correctly you will help to prevent potential negative consequences for the environment and human health which could otherwise be caused by inappropriate waste handling of this prod The symbol on the product or the documents accompanying the product indicates that this appliance may not be treated as household waste It shall be handed over to the applicable collection point for used up electrical and electronic equipment for recycling purpose For information about recycling of this product please contact your local authorities your household wast
11. authentication without a secure connection PCs N ss WV Remember my credentials O Default user is rootand default password is pass For safety reagi it is recommended to change default user name and password When you log on to the camera web browser will download the applet for displaying images from the camera ending on the current Internet Explorer security settings it may be necessary to accept an a control To do this click the right mouse button on the message select Install Active X control and then click Install After successfully NVIP Viewer plug in downloading run and install it R omputer aS All rights reserved AAT Holding sp z o o 14 NVIP 3DN7000V IRH 2P Users manual short form ver 1 0 NETWORK CONNECTION UTILIZING WEB sian w Bay Canes NET ae GK e http 192166 1186 index_x1 htm ka p X 9 Google 7 d Favorites sig l Sugerowane witryny Galeria obiekt w Web PA D o This website wants to install the following add on NVIPViewer from NOVUS F you trust the website and the add on an ges Safety E Novus IP Carnera dw ntto install it click here AA dA ala tr Fa Viewer InstallShield Wizard Welcome to the InstaliShield Wizard for NVIPViewer The InstaliShield R Wizard will install NEWW 0 1 computer To continue dick Next hile files from the Internet can be useful
12. d adjusting ele ments that the device is equipped with All rights reserved AAT Holding sp z o o 9 NVIP 3DN7000V IRH 2P Users manual short form ver 1 0 START UP AND INITIAL CAMERA CONFIGURATION A 2 2 START UP AND INITIAL IP CAMERA CONFIGURATION D C 2 1 Description of connectors and control tools a D NVIP 3DN7000V IRH 2P o A e 1 Focus adjustment R 2 Light Sensor ye 3 Zoom adjustment Z 5 Power socket a 6 Alarm input output A 7 Audio output u 8 Audio input 12VDC 24VAC GND 2402 NOPE If the camera is powered via PoE heater and fan will not work Fan and heater work only with external power supply connected to power socket 5 All rights reserved AAT Holding sp z o o 10 NVIP 3DN7000V IRH 2P Users manual short form ver 1 0 START UP AND INITIAL CAMERA teens 2 2 NVIP 3DN7000V IRH 2P mounting To mount a camera please follow the instructions below Pa Unscrew the dome from the camera O a Unscrew base from the camera s module A screw D Push latches marked B in the direction pointed by arrow and move cata module up Remove the cable place a cable glad on it next screw the SA rm housing using thin and thick 6mm silicone gasket provided with choke Please lo ot use the original nut as they are not designed for the task described above A o Taking holes at the bottom of the camera s base as a en mark the drilling holes
13. e service or the shop where you purchased the product WEEE Directive 2002 96 EC RoHS Directive 2002 95 EC amp Out of concern for human th protection and friendly environment we assure that our products RoHS falling under RoHS Directive regulations regarding the restriction of the use of hazardous ne SUDStances in electrical and electronic equipment have been designed and manufactured in compliance with the above mentioned regulations Simultaneously we claim that our products have been tested and do not contain hazardous substances whose exceeding limits could have negative impact on human health or natural environment Information The device as a part of professional CCTV system used for surveillance and control is not designed for self installation in households by individuals without technical knowledge Excluding of responsibility in case of damaging data on a disk or other devices The manufactur r does not bear any responsibility in case of damaging or losing data on a disk or other devices during device operation WARNING PRIO ING oe ANY ACTION THAT IS NOT DESCRIBED FOR THE GIVEN PRODUCT IN USER S MANUAL AND OTHER DOCUMENTS DELIVERED WITH THE PRODUCT OR IF IT DOES NOT ARISE FROM THE USUAL APPLICATION OF THE PRODUCT MANUFACTURER MUST BE CONTACTED UNDER THE RIGOR OF EXCLUDING THE MANUFACTURER S RESPONSIBILITY FOR THE RESULTS OF SUCH AN ACTION All rights reserved AAT Holding sp z o o
14. eserved AAT Holding sp z o o 19 NVIP 3DN7000V IRH 2P Users manual short form ver 1 0 ELECTRIC CONNECTORS AND ACCESORIES Q 22 5 ELECTRIC CONNECTORS AND ACCESORIES gt 5 1 Connecting power supply to the camera S 2 The camera is supplied by using RJ45 network socket To run NOVUS IP camera you zk to connect ethernet cable between camera and network switch with PoE support IEEE 802 3af You can also use a power injector compatible with IEEE 802 3af standard Information Power supply adapter is not included Caution A 3 0 4 If the camera power via PoE heater and fan will not work Fun and heater work only with external power supply connected to power socket 5 Vy In order to provide protection against voltage surges lightning strikes usage of appropriate surge protectors is advised Any damages resulting from surges are not eligible for service repairs 5 2 Connecting alarm inputs outputs S Description of alarm input output connector terminal is pr sented in the table below A E oor Input and output connector states ye Noma WO Alarm input Alarm output W G 3 Conected R 30Q 0 1A 30VDC AC o Alarm input connections A Switch sensor Alarm input All rights reserved AAT Holding sp z o o 20 NVIP 3DN7000V IRH 2P Users manual short form ver 1 0 ELECTRIC CONNECTORS AND ess Alarm output electric connection
15. ing default IP addres http 192 168 1 200 and default user name root and password pass All rights reserved AAT Holding sp z o o 22
16. rnal Ports ER 1 x Ethernet RJ 45 10 100 Mbit s 1x microSD SDHC IR LED PZ LED 23 pcs IR effective range 1 25m Enclosure a Vandal proof NS 10 C 50 C PoE power supply Operatin Temperature 30 C 50 C 12 VDC power supply XS 35 C 50 C 24 VAC power supply All rights reserved AAT Holding sp z o o 7 NVIP 3DN7000V IRH 2P Users manual short form ver 1 0 FORE WORD INFORMATION 1 3 Camera dimensions All rights reserved AAT Holding sp z o o 8 NVIP 3DN7000V IRH 2P Users manual short form ver 1 0 FOREWORD on 7 1 4 Package contents After you open the package make sure that the following elements are inside IP O camera A e Accessories bag Q o Short version of user s manual e amp o CD containing manual and software a N U S S If any of this elements has been damaged during sapima all the elements back into the original box and contact your supplier for further assistance A S amp RU CAUTION If the device was brought from a location with lower temperature please wait until it reaches the temperature of location it is currently in Turning the device on immediately after bringing it from a location with lower ambient temperature is forbidden as the condensing water vapour may cause short circuits and damage t evice as a result Before starting the device familiarize yourself with the description and the role of particular inputs outputs an
17. s Output IP Camera 5 3 SD card installation K amp Camera supports SD and SDHC cards with their capacity up to 16GB In order to install the card properly please follow the instructions below L e Format the card in FAT32 file system using a PC computer 8 e Turn the camera off e Mount SD card in the socket located at the camera s rear according to the picture e Turn the camera on dj e Check the SD card by checking its capacity in the STORAGE MANA ENT tab Cy gt amp QF Cy CZ All rights reserved AAT Holding sp z o o 21 NVIP 3DN7000V IRH 2P Users manual short form ver 1 0 ELECTRIC CONNECTORS AND ACCESORIES 2 6 RESTORING FACTORY DEFAULTS NOVUS IP cameras allow to restore defaults via e software web browser level resetting the camera settings S hardware using reset restores factory defaults D A JU 6 1 Restoring software factory defaults Q Factory software default restores default settings of the IP camera except nefWork settings The camera re starts then taking about one minute to complete Option to restore the fac ory default 1s described in SETUP gt FACTORY DEFAULT tab SS SS th T 6 2 Restoring hardware factory defaults in P cameras In order to restore factory defaults for the camera please follow the instructions e press the RESET button and hold on for 10 seconds A e release button U e log on after approx 1 minute us
18. t 1 e close to swimming pools bath tubs damp basements 8 Mounting the device in places where proper ventilation cannot be provided e g closed lockers etc is not recommended since it may lead to heat build up and damaging the device itself as a consequence 9 Mounting the camera on unstable surface or using not recommended mounts is forbidden Improperly mounted camera may cause a fatal accident or may be seriously damaged itself The camera must be mounted by qualified personne h proper authorization in accordance with this user s manual 10 Device should b 8 specified by the producer in the camera technical datasheet Therefore it is forbidden to supply the camera plied only from a power sources whose parameters are in accordance with those from a power sources with unknown parameters unstable or not meeting producer s requirements Due to the product being constantly enhanced and optimized certain parameters and functions described in the manual ow may change without further notice We strongly suggest visiting the www novuscctv com website in order to access the newest manual Q Da included in the following user s manual is up to date at the time of printing AAT Holding Sp z o o holds exclusive rights to modify this manual The producer reserves the rights for device specification modification and change in the design without prior notice All rights reserved AAT Holding sp z o o 3 NVIP 3DN7
19. ts reserved AAT Holding sp z o o Network transmission F s 12 NVIP 3DN7000V IRH 2P Users manual short form ver 1 0 START UP AND INTTIAL CAMERA CONF URAZ 7 6 Connection utilising external power supply directly to the computer IP Camera noVus Information O a Power supply adapter is not included Please use power adapter with parameters specified in user s manual U Caution gt In order to provide protection against voltage surges lightning strikes usage of appropriate surge protectors is advised Any damages resulting fro ges are not eligible for service repairs gt 2 4 Initial configuration via the web browser The default network settings for NVIP 3DN camera series are 1 IP address 192 168 1 200 ye 2 Network mask 255 255 255 0 V 3 Gateway 192 168 1 1 O 4 User name root O NE O Knowing the camera s IP address you need to appropriately set PC IP address so the two devices can operate in one network subnet e g for IP 192 168 1 1 appropriate address for the camera ranges from 192 168 1 2 to 192 168 1 254 for example 192 168 1 60 It is not allowed to set the same addresses for camera and PC computer 5 Password pass You can either set a network configuration IP address gateway net mask etc of NOVUS IP camera yourself or sel HCP mode DHCP server is required in this method in target network by using web browser r by NMS software When you use D
20. word The default user is root and password iS pass I eaming Languages 2010 04 04 18 52 Video format 264 1 H 264 2 dle compression middle quality 6 kbps middle compression 4 kbps high compression low quality Next blank screen 1s displayed Then you have to install the missing Quick Time plug in from site http www apple com quicktime download All rights reserved AAT Holding sp z o o 16 NVIP 3DN7000V IRH 2P Users manual short form ver 1 0 NETWORK CONNECTION UTILIZING WEB RPA Sy Witamy w instalatorze QuickTime 7 O S m e T h QuickTime jest wielokrotnie nagradzanym O T k oprogramowaniem Apple do odtwarzania cyfrowych 4 multimedi w na komputerze Przy pomocy QuickTime i A R 1 mo na cieszy si szerokim wyborem multimedi w ff w czaj c w to filmy obrazy muzyk d wi k wirtualne 7 panoramy animacj i przekazy strumieniowe z interne 4 Kreator ten przeprowadzi proces instalacji odtwarza i QuickTime Player wtyczki QuickTime do przegl d P 7 internetowych i niezb dnych sk adnik w QuickTi z hN obs uguj cych inne programy multimedialne ak Tunes Naci nij Dalej by kontynuowa N lt Wstez TRE a After downloading and running it a window depicting installation of particular components is then displayed After proper installation pictures from the ca era should become visible Z nat H 264 1 H
Download Pdf Manuals
Related Search
Related Contents
BACHELOR`S THESIS B7311_B_EN_SFA-8CE 1-21.qxp S20 Multimedia Projector MANUAL DE INSTRUCCIONES iStarUSA WX-158 Ubicom™ SX Cross Assembler User`s Manual RAKSA iDet.indd les outils GAMA ATHLETIC fx3g series hardware manual Copyright © All rights reserved.
Failed to retrieve file