D-Link DCS-1000 Скачать руководство пользователя страница 40

Страница: 40 / 83

You must highlight the camera you wish to change the IP Address and click
on the

“Change IP”

icon and the

Change IP Address

dialog box will appear

as depicted below:

Enter the new

IP Address

along with the

Subnet Mask

and

Default gateway

into the respective fields and click on the

“OK”

icon and IPView will

automatically change the IP Address.

Make sure to save any changes you have made to keep the information
updated.

Содержание DCS-1000

Страница 1: ...DCS 1000 Internet Camera Manual ...

Страница 2: ... SECURITY 10 SOFTWARE INSTALLATIO N 11 WEB CONFIGURATION 11 MAIN MENU IMAGE 12 SYSTEM ADMINISTRATION 12 System Administration System 13 System Administration Image 18 System Administration Users 19 System Administration DateTime 21 System Administration Trigger 23 System Administration Information 26 System Administration Tools 26 VIEW IMAGE ACTIVEX MODE 27 VIEW IMAGE JAVA MODE 29 IPVIEW APPLICATI...

Страница 3: ...ng 45 Menu Bar 53 Menu Bar File 53 Menu Bar View 53 Columns 54 Viewing Format 54 List View 54 Menu Bar Camera 55 Enable Function 56 Menu Bar Tools 56 Menu Bar Help 56 IPVIEW ICON DESCRIPTION 57 CONTEXT SENSITIVE MENU 58 UNINSTALL IPVIEW APPLICATION 60 APPENDIX 63 FREQUENTLY ASKED QUESTIONS 63 PING YOUR IP ADDRESS 65 TROUBLE SHOOTING 66 I O CONNECTOR 69 UPGRADE FIRMWARE 71 TIME ZONE TABLE 72 XPLUG ...

Страница 4: ...S 1000 can be managed remotely accessed and controlled from any PC Notebook over the Intranet or Internet via a web browser The simple installation procedures and web based interface offers easy integration to your network application environments coupled with many applications such as remote monitoring for a cost effective solution System Requirement Local Area Network 10Base T Ethernet or 100Bas...

Страница 5: ...lid IP Address Support Variety of Platforms Supporting TCP IP networking SMTP e mail HTTP and other Internet related protocols DCS 1000 can be utilized in a mixed operating system environment such as Windows Unix and Mac It can be integrated easily into other www Intranet applications Web Configuration Applying a standard web browser administrator can configure and manage DCS 1000 directly from it...

Страница 6: ... from a web browser for live image viewing and allows administrator to manage can control DCS 1000 anywhere and any time in the world Apply DCS 1000 to monitor various objects and places such as homes offices banks hospitals child care centers amusement parks and other varieties of industrial and public monitoring DCS 1000 can also be used for intruder detection capture still images and video imag...

Страница 7: ...the LAN or network Note There are three settings for the LAN LED to control the light illumination for monitoring purpose from Normal Off Dummy Please refer to the Web Configuration section for detailed information and usage Rear Panel Network Cable Connector DCS 1000 s rear panel features an RJ 45 connector for connections to 10Base T Ethernet cabling or 100Base TX Fast Ethernet cabling which sho...

Страница 8: ... indicating DCS 1000 is changing to factory reset When factory reset is completed the IP address will return to the default setting as 192 168 0 20 I O Connector There are four I O connectors two for input and two for output situated on the rear panel The I O connectors provide the physical interface to send and receive digital signals to a variety of external alarm devices Please refer to the Use...

Страница 9: ...e This Manual If any item is missing or if you find any damage or mismatch promptly contact your dealer for assistance Connecting DCS 1000 to the Camera Stand DCS 1000 comes with a camera stand with a swivel ball screw head that can be attached to DCS 1000 s bottom screw hole Attach the camera stand to DCS 1000 and station it for your application There are three holes located in the base of the ca...

Страница 10: ...e connector located on DCS 1000 s rear panel and attach it to the network 2 Attach the external power supply Attach the external power supply to the DC power input connector located on DCS 1000 s rear panel and is labeled DC 5V and connect it to your local power supply Note Confirm power source is supplied from the LED indicators label Power on DCS 1000 is illuminated ...

Страница 11: ...ed by the Administrator Administrator can release a public user name and password so when remote users access DCS 1000 they will have the right to view the image transmitted by DCS 1000 Note When DCS 1000 is used for the first time it is highly recommended the Administrator sets the Admin ID and Admin Password to constrain user s access to DCS 1000 since the Default settings are Null String Once t...

Страница 12: ...knowledge of LAN will be helpful in setting up DCS 1000 From the web browser enter the default IP address to access the Home screen of DCS 1000 to configure your DCS 1000 type http 192 168 0 20 in the address box The number is the default IP address of your DCS 1000 Press Enter Note The PC s IP address must correspond with the DCS 1000 s IP address in the same segment i e PC 192 168 0 5 Camera 192...

Страница 13: ...1000 and they are as follows l View Image ActiveX Mode l View Image Java Mode l System Administration System Administration Click on System Administration from the Home screen to access the settings required for DCS 1000 There will be several options in the System menu bar to choose from to set your DCS 1000 and they are as follows l System l Image l Users l DateTime l Trigger l Information l Tool...

Страница 14: ...tains commands for settings that are required for inputting key details to set up DCS 1000 for operation Click on System in the system administration menu bar and the System screen will appear as illustrated below Click on Home to return to Home Screen ...

Страница 15: ...etting for Admin is blank space Null String you need to key in the Admin ID with a maximum length of 12 Printable ASCII characters and enter the Admin Password with a maximum length of 8 Printable ASCII characters It is highly recommended to set the Admin ID and Admin Password as soon as possible to enable security option for DCS 1000 to function IP Assignment There are two options to select from ...

Страница 16: ...E account Click on PPPoE option and enter the Service Name User ID and Password into the respective fields DCS 1000 will get an IP address from the ISP each time DCS 1000 starts up DNS IP Address DNS Domain Name System server is an Internet service that translates domain names ie www dlink com into IP addresses ie 192 168 0 20 The DNS IP address can be received from your ISP Enter at least one DNS...

Страница 17: ...t monitoring activity is off or on Loading ActiveX From This field is used to specify the location of Xplug Control ActiveX plug in program Enter the information as required in ocx format for example http www your company com xplug ocx where your company must be replaced with your company s DNS server Open Second Port The Web Server field allows settings to open a second port for DCS 1000 This wil...

Страница 18: ...o 192 168 0 103 Port 84 map to 192 168 0 104 Port 85 map to 192 168 0 105 The Transfer Image field allows settings to open a second port for DCS 1000 to transfer images The default Port 8481 is open image transfer and you can define a second port similar to the above Save Cancel After making sure all settings in the System are correct click on the Save icon to store the settings for DCS 1000 You c...

Страница 19: ...320x240 default or 640x480 Compression Rate Select the desired compression rate with five levels from very low to very high Higher video compression rate will generate more compact file size with less video quality and vise versa The default setting is at Medium Frame Rate Select the frame rate desired with default setting at Auto for optimal frame rate Brightness Control Adjust the brightness lev...

Страница 20: ...ettings in the Image are correct click on the Save icon to store the settings for DCS 1000 You can alternatively click on the Cancel icon to restore all settings to the values last saved to or retrieved from DCS 1000 System Administration Users The User options menu contains commands to allow system administrator to assign legal users who are permitted to monitor DCS 1000 from the remote site Clic...

Страница 21: ...maximum password length is 8 Printable ASCII I O Output Control Administrator has the authority to give permission for the privilege to control the I O Output Control to user s by selecting Yes or No to activate the I O Output control To add a new users name input the necessary information first and click on the Add icon Delete User Select the user you wish to delete from the pull down menu and cl...

Страница 22: ... DateTime screen will appear as illustrated below DateTime Select Synchronized with Time Server and the time will be based on GMT setting The time will be synchronized every 10 minutes This is also the default setting for DCS 1000 IP Address Enter the IP Address of the Time Server in this field Protocol Two options of NTP or Time are available for your selection to link with the Time Server The de...

Страница 23: ...ss for your reference to set the time server http www eecis udel edu mills ntp clock1 htm http www eecis udel edu mills ntp clock2 htm Note 2 When you select Set Manually each time DCS 1000 is powered off and on you must re enter the details once again due to time lost Save Cancel After making sure all settings in the DateTime are correct click on the Save icon to store the settings for DCS 1000 Y...

Страница 24: ...ar and the Trigger screen will appear as illustrated below The default setting for the I O Trigger functions are disabled you must enable the I O Trigger first before the Triggers will perform There are two options to select from the Trigger screen I O Input 1 Trigger and I O Input 2 Trigger I O Input 1 Trigger Select Send e mail attached with image and enter the relevant information such as the S...

Страница 25: ...formation such as the SMPT Server Address Sender e mail Address Receiver e mail Address Sending Interval and Sending Times SMTP Simple Mail Transfer Protocol is a protocol for sending e mail messages between servers you need to input the mail server address in this field Sender e mail is the person s e mail address whom will be sending the e mail Receiver e mail is the e mail address of the person...

Страница 26: ...he appendix for detailed information regarding the I O Connector Warning When connecting other devices through the I O connectors please make sure the maximum current of 100mA is strictly observed Any failure to do so might cause a loss of power to DCS 1000 and possibly cause serious damage to the Network Camera ...

Страница 27: ...ols The Tools menu contains commands for restarting DCS 1000 Click on Tools in the system administration menu bar and the Tools screen will appear as illustrated below Reset The Reset command restarts DCS 1000 just like turning the device off and on and saved settings are retained The Reset panel contains the message Do you really want to reset this device and a YES button If you do not want to re...

Страница 28: ... to the Home screen and select the desired Viewing Image either through ActiveX Mode or Java Mode as described in the next section Then position DCS 1000 to the desired location appropriately for your purpose Followed by adjustment of DCS 1000 focus done manually by turning the lens clockwise or anti clockwise to the desire image quality Please refer to the appendix for detailed information regard...

Страница 29: ...ActiveX Mode you are allowed two output trigger options Just click on the desired selection ON or OFF to utilize the options for each of the output triggers Output 1 trigger or Output 2 trigger Note 1 Output trigger will send a 5V signal to the device connected to the DCS 1000 A maximum of two devices is permitted to connect to DCS 1000 to utilize the output trigger function Please refer to append...

Страница 30: ...ge Java Mode you are allowed two output triggers Just click on the desired selection ON or OFF to utilize the options for each of the output triggers Output 1 trigger or Output 2 trigger Note 1 Output trigger will send a 5V signal to the device connected to DCS 1000 A maximum of two devices is permitted to connect to DCS 1000 to utilize the output trigger function Please refer to appendix for deta...

Страница 31: ...nce completed a menu screen will appear as follows To install the IPView Application click on the IPView button to activate the installation procedure for the application program Once executed a prompt will appear requesting the input of the desired language selection Make the desired selection and click on OK to continue ...

Страница 32: ...een will appear Click on the Next button to proceed with the installation The License Agreement prompt will appear as below Read the details carefully and click on the Yes icon to continue with the installation procedure ...

Страница 33: ...xt to proceed further The Select Program Folder prompt will appear providing information of where the IPView application will be located click on Next to continue If you wish to modify your settings click on Back to return to the previous screens Please wait until one of the two dialog box to appear select either Yes I want to restart my computer now and click on the Finish icon to restart the com...

Страница 34: ...te the installation procedure After successfully installing the IPView the application program for DCS 1000 is automatically installed to Programs Files Directory To start running the IPView click on windows Start Menu Programs IPView IPView ...

Страница 35: ...l appear you must enter the default User Name admin into the respective field and click on OK to log into the application Once login the IPView application is executed and the IPView interface will appear as follows in the default List View format ...

Страница 36: ...ion User Interface with detailed procedures for using the application IPView IPView is responsible for the management of preview configuration and searching of each camera It is designed with a user friendly interface for ease of control and navigation requirements as illustrated below ...

Страница 37: ...ication Once the User Name and Password are defined only the Administrator has access to the management of IPView applications This procedure should be done as soon as possible to prevent unauthorized usage of IPView application Once IPView is executed a Login prompt will appear you must enter the default User Name admin into the respective field and click on OK to log into the application List vi...

Страница 38: ...e administrator needs to enter a User Name Password and Confirm password into the respective fields Once all the new details are entered click on the OK icon Make sure to save any changes you have made to keep the information updated Note Alternatively you can click the Options icon as illustrated or use the hot key F10 ...

Страница 39: ...d Camera dialog box will appear as illustrated below Click on the Browse icon the Browse Camera dialog box will appear with a blank screen as illustrated below Click on the Search icon and IPView will detect and search all the available camera s that are installed on the local area network as depicted below ...

Страница 40: ...hange IP Address dialog box will appear as depicted below Enter the new IP Address along with the Subnet Mask and Default gateway into the respective fields and click on the OK icon and IPView will automatically change the IP Address Make sure to save any changes you have made to keep the information updated ...

Страница 41: ...the IP Address of the camera in the specified field and click the Add icon to add a new camera If the IP Address is entered incorrectly a dialog box will appear to notify the error If you are unsure of the IP Address of the camera you can click on the Browse icon the Browse Camera dialog box will appear with a blank screen as illustrated below ...

Страница 42: ...dd icon The Add Camera dialog box will appear once again with the IP Address entered Click on the Add icon and the camera will be automatically added into IPView list view format Alternatively you can double click on the camera you wish to add and the Add Camera dialog box will appear once again with the IP Address entered Click on the Add icon and the camera will be automatically added into IPVie...

Страница 43: ...PView The above dialog box will appear only if administrator has already set the User Name and Password during the Web Configuration setting If you forget to highlight the camera you wish to add a dialog box will appear to notify you of the error Make sure to save any changes you have made to keep the information updated Note 1 You are only able to add one camera at a time Note 2 Alternatively you...

Страница 44: ...u bar select Camera Delete A Delete Camera dialog box will appear and click on the Yes icon to delete the camera or click on No if you do not wish to delete the camera as illustrated below Make sure to save any changes you have made to keep the information updated Note Alternatively you can click the Delete icon as illustrated or use the hot key Del ...

Страница 45: ...w list view format click on the icon located on the upper left corner of the screen and a case sensitive menu will appear Select List and the viewing image will return to the list view format Note 1 A maximum of 16 cameras are available for viewing with the IPView application Note 2 Alternatively you can click the 1 Camera icon as illustrated or use the hot key Ctrl F3 For 4 Cameras 9 Cameras and ...

Страница 46: ...e snap shot picture Note Alternatively you can click the Snap shot icon as illustrated or use the hot key F5 How to Adjust the Property Setting Property Setting Property is initiated by selecting Camera Property and a dialog box will appear allowing settings of Web Configuration and upgrade firmware Please refer to the appendix for detailed information The Camera Property dialog box will appear fo...

Страница 47: ... refer to the Web Configuration section under System Administration System for further details DNS DNS Domain Name System server is an Internet service that translates domain names into IP addresses Enter at least one DNS IP Address Please refer to the Web Configuration section under System Administration System for further details ...

Страница 48: ...name wireless channel and WEP key Please refer to the Web Configuration section under System Administration System for further details Misc Allows setting for LED Control ActiveX control location and second port Please refer to the Web Configuration section under System Administration System for further details ...

Страница 49: ...esolution compression frame rate and light freq Please refer to the Web Configuration section under System Administration Image for further details Users Contain commands to allow system administrator to assign legal users who are permitted to monitor the camera from the remote site by Add or Delete user ...

Страница 50: ...ser and click on the Delete icon Please refer to the Web Configuration section under System Administration Users for further details Date Time Contain commands for setting the camera s time and date to provide correct time information to users who might be thousands of miles away in the remote site by selecting Synchronized with Time Server or Set Manually Please refer to the Web Configuration sec...

Страница 51: ... the physical interface for 1 digital output and 1 digital input that is used for connecting a diversity of external alarm devices to the camera such as IR Sensor and alarm relay Please refer to the Web Configuration section under System Administration Trigger for further details ...

Страница 52: ...xternal alarm devices to the camera such as IR Sensor and alarm relay Please refer to the Web Configuration section under System Administration Trigger for further details Information Displays information about the camera such as the model firmware v ersion MAC address and IP address Please refer to the Web Configuration section under System Administration Information for further details ...

Страница 53: ...pdate firmware please refer to the appendix for detailed information Please refer to the Web Configuration section under System Administration Tools for further details on reset Make sure to save any changes you have made to keep the information updated ...

Страница 54: ...ey capabilities as follows Menu Bar File File on the menu bar provides New Open Save Save As and Exit for users to create new files open existing files save files and exit the IPView as depicted below Menu Bar View View on the menu bar provide users with management capabilities for Columns List Camera and Refresh You can view Camera in 1 Camera 4 Cameras 9 Cameras 16 Cameras The View menu bar is p...

Страница 55: ...elow Viewing Format You can view the format in List view The List viewing format allows easy management and control of each camera List View List view is illustrated below for your reference You are able to list all the cameras and their properties such as the camera name IP address user name and location will be displayed for ease of control and management ...

Страница 56: ...alog box To update camera list view just click on the Refresh icon for Real Time Data and the latest information Menu Bar Camera Camera on the menu bar provides options to manage the camera One can Add additional Camera with a maximum of 16 Camera allowed for viewing Through the management function one can Delete a camera manage the Property Enable for real time and take a Snap shot image The menu...

Страница 57: ...nistrator management of the security settings such as User Name and Password to gain access into the IPView application From the menu bar select Tools Options and a dialog box will appear Administrator can change the User Name and Password for security settings to access the application Menu Bar Help Help on the menu bar provides Contents and About to instruct users how to operate the camera in HT...

Страница 58: ...he hot key is Ctrl F4 9 Camera view format Alternatively the hot key is Ctrl F5 16 Camera view format Alternatively the hot key is Ctrl F6 Refresh IPView application Alternatively the hot key is F12 Add a camera Alternatively the hot key is Shift Ins Delete a camera Alternatively the hot key is Del Property setting to configure the camera Alternatively the hot key is F2 Snap shot to capture a sing...

Страница 59: ...8 Context Sensitive Menu In list view format by highlighting a camera and right clicking the mouse pad will bring up a context sensitive menu for features such as Add Delete Property Enable and Snap shot ...

Страница 60: ... icon located on the upper left corner of the screen and a case sensitive menu will appear as illustrated below Features such as Enable Snap shot List 1 Camera 4 Cameras 9 Cameras 16 Cameras Previous Page and Next Page will be available ...

Страница 61: ...60 Uninstall IPView Application Click on windows Start Menu Settings Control Pane l A prompt screen will be displayed like the one below and double click on the Add Remove Programs icon ...

Страница 62: ...elect IPView as illustrated below Then click on the Remove button A new prompt screen will be displayed like the one below confirming the removal Click on the OK icon to continue the process or click on the Cancel icon to reject the uninstall process ...

Страница 63: ...62 The InstallShield Wizard prompt will appear and click on Finish to complete the uninstallation procedure ...

Страница 64: ...e is 64 Please keep in mind the overall performance of the transmission speed will slow down when many users are logged on Q What algorithm is used to compress the digital image A DCS 1000 utilizes the JPEG image compression technology providing high quality images for users JPEG is adopted since it is a standard for image compression and can be applied to various web browser and application softw...

Страница 65: ...CS 1000 be connected on the network if it consists of only private IP addresses A DCS 1000 can be connected to LAN with private IP addresses Q Can DCS 1000 be installed and work if a firewall exists on the network A If a firewall exists on the network port 80 is open for ordinary data communication However since DCS 1000 transmits image data the default port 8481 is also required Therefore it is n...

Страница 66: ...useful tool to confirm if the IP address conflicts with DCS 1000 over the network Follow the step by step procedure below to utilize the PING command but first you must disconnect DCS 1000 from the network Start a DOS window Type ping x x x x where x x x x is the IP address of the DCS 1000 The succeeding replies as illustrated below will provide useful explanation to the cause of the problem with ...

Страница 67: ...log box click on Specify an IP address If the DCS 1000 is situated on a different subnet than your workstation you will not be able to set the IP address from this workstation To verify make sure the first 3 sections of the IP address of the DCS 1000 corresponds to the first 3 sections of the workstation Therefore the IP address of the DCS 1000 must be set from a workstation on the same subnet A3 ...

Страница 68: ...or halogen light You need to reposition the DCS 1000 into a more shaded area immediately as this will damage the CMOS sensor Q There is bad focus on the DCS 1000 what should be done A1 The focus might not be correctly adjusted for the line of sight You need to adjust the DCS 1000 focus manually as described in Adjust Internet Camera Focus A2 There is no adaptor fitted with your C type lens If you ...

Страница 69: ...e related parameter for improve images such as brightness contrast hue and light frequency Please refer to the Web Configuration section for detail information Q There are no images available through the web browser A The ActiveX might be disabled If you are viewing the images from Internet Explorer make sure ActiveX has been enabled in the Internet Options menu Alternatively you can use the Java ...

Страница 70: ...alarm devices and once triggered images will be taken and e mailed The supported transistor output can give a maximum of DC 5V to the externally connected alarm devices and once triggered the current will activate the devices In 11 In 12 In 11 In 12 is a pair for digital input It works at voltage 5V In 21 In 22 In 21 In 22 is a pair for digital input It works at voltage 5V Out 1 Out 1 Out 1 Out 1 ...

Страница 71: ...for detailed information Warning 1 When connecting a device to the Input connector the device must be a passive component without voltage and electrical current 2 When connecting other devices through the Output connector please make sure the maximum current of DC 5V 100mA is strictly observed 3 Any failure of the above two points might cause serious damage to the camera ...

Страница 72: ...in the Update Firmware field or you can click on the Browse icon to select the file Once the firmware file is entered click on the Update icon to proceed with the updating process Once completed click on the OK icon as illustrated below Warning The download firmware procedure cannot be interrupted If the network connection is broken during the download procedure it might possibly cause serious dam...

Страница 73: ...72 Time Zone Table ...

Страница 74: ...73 ...

Страница 75: ...input web server location http www web server location com Once the settings are completed the user now is able to access the Internet Camera from the web browser by selecting the image view ActiveX mode Note Set your browser security level to Low Important Information It is highly recommended to install the Xplug Control application to the Web Server for IE 5 0 It must be installed to a Public Do...

Страница 76: ...To install Xplug Control click on the Xplug Control button to activate the installation procedure for the plug in program Once executed a prompt will appear requesting the input of the desired language selection Make the desired selection and click on OK to continue The Welcome screen will appear Click on the Next button to proceed with the installation ...

Страница 77: ...ent prompt will appear as below Read the details carefully and click on the Yes icon to continue with the installation procedure Click on the Finish button to complete Setup of the Xplug Control Utility program for DCS 1000 ...

Страница 78: ...77 ...

Страница 79: ...Lens Assembly Keep in mind while adjusting DCS 1000 s focus you can review the image quality from the Web browser Note You can further adjust the DCS 1000 s image quality through the Web Configuration under System Administration Image Please refer to Web Configuration section for further details Warning Direct exposure to sunlight may cause permanent damage to the CMOS sensor Therefore do not expo...

Страница 80: ...ow the instructions below to replace the supplied lens with any C or CS type lens 1 Unscrew the DCS 1000 lens 2 C lens only attach the new lens to a CS C adapter 3 Screw the new lens onto the DCS 1000 If appropriate adjust the iris according to the prevailing light conditions 4 Refer to Adjusting the DCS 1000 Focus on the previous page 5 Refresh the web browser and monitor the results from the DCS...

Страница 81: ... Frame rate 30fps QCIF 20fps CIF 3fps VGA Compression Rate selection 5 level Very Low Low Medium High Very High Frame rate setting 1 5 7 15 20 auto depends on the video format Video resolution 160x120 320x240 640x480 Brightness control Range 1 128 Contrast control Range 1 128 Hue control Range 1 128 System Hardware LAN Connector One RJ 45 port to connect to 10 100Mbps Ethernet auto sensed Generic ...

Страница 82: ...P IP UDP ARP ICMP BOOTP RARP DHCP PPPoE Browser Support Internet Explorer 5 0 or above ActiveX JAVA Mode View Image for Windows OS and JAVA Mode View Image for other OS Netscape 6 0 or above JAVA Mode View Image CPU Pentium II 266 MHz or above Memory Size 32 MB 64 MB recommended VGA card resolution 800x600 or above IPView Application Win 98 Win 98 SE Win 2000 Win Me Win XP Pentium III 450 MHz or a...

Страница 83: ... e mail or by phone D Link Technical Support over Telephone 949 790 5290 6 a m to 6 p m Monday thru Friday D Link Technical Support over the Internet www dlink com support dlink com If you are a customer residing outside of the United States please refer to the list of D Link locations that is included in the User s Manual Registration Register your DCS 1000 at http support dlink com registration ...

Результаты поиска

Содержание DCS-1000

Отзывы:

D-Link DCS-1000, Руководство пользователя, Страница: 40 / 83

Результаты поиска

Содержание DCS-1000

Отзывы: