Seenergy NVR-304 Basic Скачать руководство пользователя

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4 Channel (Basic)

Network Video Recorder

User

’s Manual

English

Firmware Upgrade

The firmware can be upgraded through web UI or USB. Before up

grading firmware, please backup configuration in advance.

** the firmware file comes with a “.tar.gz” file extension, please use the

file as is, DO NOT unzip it. It’s normal that you may only see “.tar” as the

file extension in Windows as the OS hide the known file extention by de

fault.

A. Upgrade through Web UI

1. Login into NVR’s web management UI. Go to "Setup" page and go

to "System Options"->"Maintenance"

2. On "Upgrade NVR's Firmware" section, click "Browse" and select

new firmware file

3. A new dialog should display and let you choose the location of the

firmware file

Содержание NVR-304 Basic

Страница 1: ...Entry Level 4 Channel Network Video Recorder User s Manual v1 6 0 SVR 304 Basic SVR 104 Basic ...

Страница 2: ...berry Phones 31 2 Playback 34 2 1 Methods to Search Playback Videos 35 2 2 Export Playback Videos to AVI Files 40 2 3 Play Exported AVI Videos With NVR Media Player 43 2 4 Open Event Snapshot Images with NVR Media Player 44 3 System Setup 45 3 1 System Configurations 45 3 1 1 Network Settings 45 3 1 2 DDNS Service 47 3 1 3 Time and Date 53 3 1 4 User Account 54 3 1 5 Group Privilege 55 3 1 6 Disk ...

Страница 3: ...deo Recorder User s Manual English 3 3 5 System Options 81 3 5 1 Device Information 81 3 5 2 Logs and Reports 82 3 5 3 Maintenance 82 Reboot the NVR 83 Firmware Upgrade 84 Reset the NVR to Factory Default 86 3 5 4 Disk Status 87 ...

Страница 4: ...s Disclaimer This document is intended for general information purposes only and due care has been taken in its preparation Any risk arising from the use of this information rests with the recipi ent and nothing herein should be construed as constituting any kind of warranty SEEnergy reserves the right to make adjustments without prior notifi cation All names of people and organizations used in th...

Страница 5: ...Hz or higher Dual Core is recom mended RAM Minimum 1 GB of RAM 2GB or above is recommended Network Minimum 10 100 Ethernet Gigabit Ethernet is recommended Graphics Adapter AGP or PCI Express minimum 1024 768 16 bit colors We highly recommend to work above the 1024 x 768 resolution to get the full experience of the software Make sure your display DPI setting is set to default at 96DPI To set DPI va...

Страница 6: ...r operate the NVR using a web browser in stalled on a PC connected to a network and live videos can be viewed on major mobile devices through its web browser Recorded video can be played back from remote site by a PC The NVR is compatible with most major brand cameras and its ability to automatically search and find the available cameras on the network can greatly reduce the user s effort when con...

Страница 7: ...4 Channel Basic Network Video Recorder User s Manual English 7 Hardware Illustration Manual Recording SVR 104 Basic ...

Страница 8: ...annel Basic Network Video Recorder User s Manual English 8 Front Rear HDD Tray HDD Tray Power button and LED HDD LEDs USB Connector Power jack Ethernet jack USB connector Reset Restart but ton SVR 304 Basic ...

Страница 9: ...D should turn to solid green to indicate the system is now ready 3 Restoring previously saved configuration file a Through USB drive The LED should blink to indicate the process has started The LED will then go off to indicate the process is complete Manually turn off the power and turn it back on would be required after wards b Through Web UI The LED should blink to indicate the process has start...

Страница 10: ...ld indicate in solid green once the sys tem becomes ready Reset Button Press this button will restore the system s set tings to factory default values To start press and hold the button for 5 seconds then release it once the OS LED goes off The OS LED should indicate in solid green once the system becomes ready Ethernet Port LED The green LED on the left indicates the link connection and the LED o...

Страница 11: ...ve by placing it in the enclosure and connecting the SATA plus power cables 4 Mount the drive with two screws on each side 5 Attach the thermal probe with the tape provided to the first hard drive Choose a location in between the two drives but without damaging the thermal probe when installing the second drive 6 Install the second hard drive by placing it in the enclosure and connecting the SATA ...

Страница 12: ...12 1 Push the silver button to release the HDD tray 2 Pull out the HDD tray 3 Place the HDD on the tray and secure the HDD with the screws at the bottom as illus trated 4 Push the tray back in the unit and press down the black bar to secure the tray SVR 304 Basic ...

Страница 13: ...aced in a network without DHCP server or you are connecting to it directly Access NVR with its default IP Use NVR Search Utility To begin launch the NVR Search utility from the CD and proceed with the installation If the NVR is placed in a corporate network or a local area network where a DHCP server is already presented run the NVR Device Search utility from a computer that is on the same network...

Страница 14: ...ck Finish The search should start automatically and its status should be dis played The NVR should be located and its IP address should be displayed Double click on it and the program should automatically access the NVR s web administration page from your default browser You may change NVR s IP address by click on the button highlighted below ...

Страница 15: ...ssword admin and then click OK to enter the system You will be prompted for the NVR s login information before proceeding to change device s IP address You may click on the button highlighted below to perform search again Or double click on any of the search results to access NVR s web ad ministration page perform search again access NVR s web administration page ...

Страница 16: ...that the NVR is fully started first as startup time is different among differ ent network devices Due to the reason that the IP cameras tend to finish booting up faster than the NVR if the NVR is not fully started before IP cameras do there is a very great chance that the cameras will not properly obtain IPs from the NVR In the event that users wish to setup everything on the network with static I...

Страница 17: ...the NVR use a PC that is on the same network over a switch or hub or connect the PC directly to the NVR using a crossover CAT5 Ethernet cable The PC that is connected directly to the NVR or within the same local area network should receive an IP from it Simply access the NVR from your web browser with its IP address Again you should be prompted for the username and password En ter its default user...

Страница 18: ...vides the following functions Retrieve camera s video stream Retrieve camera s status Perform Live Sequence Viewing PTZ Control Perform PTZ Preset Sequence viewing Perform manual recording Take snapshot Receive audio of a video stream Send audio Change web UI display language 1 Live View ...

Страница 19: ...ick All to display videos in the quad video mode Click on any camera to display video in single view mode 1 2 Retrieve camera s status The camera list can show each camera s current status Each sta tus is represented with different colors and their meanings are ex plained on the left Camera is connected Camera is NOT connected Camera is current performing recording ...

Страница 20: ...e automatically without having to select them one by one To perform sequence view select SEQ View from the upper left hand corner Next select one or more camera s or camera group s for sequence viewing Then select dwell interval from the drop down menu Finally click Start to start sequence viewing Click All Channels to quickly select all available channels and start sequence view in single view mo...

Страница 21: ...n tilt zoom a PTZ camera as well as the ability to adjust camera focus and iris Camera s that are currently being selected for live viewing will be listed in the PTZ drop down menu Simply select a camera then use the PTZ control panel to control the camera The bar shown below allows you to control the pan tilt speed ...

Страница 22: ...t point viewing of a particular camera Auto pan a particular camera Perform preset point sequence viewing Start by selecting a PTZ camera from the drop down list Its available PTZ preset points will be listed in the drop down list shown below Select a preset position from the drop down list and click Go to to move the live view to that position Preset Point Viewing ...

Страница 23: ...ts from a video of a camera without having to select them one by one Once you have defined the prefered preset points in Channel Configurations PTZ Setting PTZ Sequence under the Setup menu click Start in the lower left hand corner in Live View under Preset and the recorder will begin to display videos from those preset points in sequence automatically until you click Stop Autopan Certain cameras ...

Страница 24: ...ns Each live video window comes with control buttons with func tions described below Take a snapshot of a live video Full screen view of a live video Turn on off audio of a live video Start stop recording of a live video manual recording Display video in its original ratio Audio post function ...

Страница 25: ...ot of a live video click the button and the snapshot of the video will be displayed in a pop up window shown like below Right click anywhere on the image and select Save Image as from the pull down menu In the pop up dialog name the image file and choose which di rectory the image will be saved to and click Save ...

Страница 26: ...utton to do so The button will show in different color once the audio is turned on Click on it again to turn off audio Start Stop Recording of a Live Video You can manually start or stop recording of a live video by using the button The button will show in different color once the recording is started manually Click on it again to stop recording Audio post This function allows user to speak from a...

Страница 27: ... Language You can change the web UI display language from the current login username link located at the upper right hand corner Click on the link opens up a new window which displays detail infor mation about the user as well as a drop down menu which lets you change the displyay language ...

Страница 28: ...ive view to the NVR by using its Safari browser To be able to view the live video through the Safari browser make sure javascript is on under Settings Safari Javascript Once Javascript is enabled click the Home button on the iPhone to go back to the home screen and open the Safari browser Type in the IP address of the NVR in the address bar ...

Страница 29: ...r User s Manual English 29 You should be prompted to enter the username and password to access the NVR Upon successful login you should see the live view video of the first channel Click on the Channe drop down menu to select other cameras ...

Страница 30: ... If a PTZ camera is selected the corresponding control buttons will display control PT only Please note that this function is camera dependent and is not available to all cameras Certain cameras do not allow adjusting image size and the se lection Auto will be used ...

Страница 31: ... by using its Safari browser To be able to view the live video through its browser make sure javascript is enabled under Browser Menu button Options Browser Configuration 1 2 Enable the Support Javascript option and click the menu button and click Save Options 1 2 Go to General Properties Enable the Support Javascript option and click the menu button and click Save Options ...

Страница 32: ...k Video Recorder User s Manual English 32 Make sure two options illustrated below are enabled Press the menu button and click the Save Options to save settings 1 2 Press the button highlighted below to go back to the browser ...

Страница 33: ...4 Channel Basic Network Video Recorder User s Manual English 33 Type in the IP address of the NVR in the address bar You should be prompted to enter its username and password for ac cess ...

Страница 34: ...ously recorded by a chosen recording method or due to an event trigger The NVR offers synchronized playback from up to 4 channels and various types of search methods are provided to help you find the footage you need quickly You can turn on or off the audio of a recorded video at your choice if audio was also recorded during the recording of the video Playback video can be viewed in full screen an...

Страница 35: ... search videos recorded within that range Search by event Find videos that were recorded due to event triggers Play by start time Enter a specific time a video was recorded to start playing back the video Search by time chart Start by selecting which channel s you would like to perform a search on Selected channels will be marked in red Select Search by time chart from the Search Method drop down ...

Страница 36: ...in a Date Channel table and boxes marked in blue represent videos found in those dates Click on any blue cell box should direct you to the hour channel table if there were multiple videos recorded during that date Videos from other cameras that are recorded on the same date will also be displayed ...

Страница 37: ... Recorder User s Manual English 37 Click on the cell box again will start playing back the videos if you have reached the end of search results Videos found from other cameras that were recorded at the same time will also be played ...

Страница 38: ...a search on Selected channels will be marked in red Select Search by event from the Search Method drop down list and click Go to start the search Results will then be listed like what is shown below displays the oldest record top down Click on a particular result to start the playback You can cilck Next Search to display the next 15 results ...

Страница 39: ...trict the number of results to be displayed at once max 30 and perform the search again Play by specific time If you know when a recording was taken place you may choose the Play by start time from the Search Method drop down list Then you will be prompted to enter a specific time and date for the recorded video Use the button to select month date and year ...

Страница 40: ...ual English 40 Search by event Most Recent This function quickly displays the most recent event recordings from the selected channels displaying the most recent result top down You may click Update to update the list to display the most recent result ...

Страница 41: ...played on the PC by a 3rd party media player such as VLC player or Windows Media player Once you locate the recorded videos with steps described in the pre vious section hit the Export AVI button on a video window of the video you wish to export A new dialog will pop up and allows you to speficy the time frame or length of the video you wish to export Click the button to pull down the calendar to ...

Страница 42: ...g The file will be automatically named and saved under the C partition You will be notified once the process is completed successfully The exported AVI file will be saved under the C partition ffdshow is required in order to play the exported AVI file with Win dows Media Player You can get it at http sourceforge net projects ffd show tryout to download the ffd show_beta6_rev2527_20081219 exe ...

Страница 43: ... Media Player that is available on the CD to play the exported AVI files This can save you the trouble of installing third party media player or codecs when playing the ex ported AVI videos Run the NVR Media Player on the CD Click Open AVI File Locate the exported AVI file and click open normally under C ExportFolder The video will then start playing ...

Страница 44: ... disable Video Play Speed 2 4 Open Event Snapshot images with NVR Media Player The NVR sends snapshots that are taken when an event occurs to a destined FTP server or mail recepient These type of snapshot images are saved in a proprietary image file format h4i or p4i and can only be opened by the NVR media player To do so Select Open from the top menu then select Image File A new dialog should be ...

Страница 45: ...tem time so videos will be recorder with correct timestamp To better secure the system for unwanted disturbance we will guide you on setting up user s account and privileges to prevent settings gets altered by us ers other than the system administrator Lastly we will tell you what you should expect after installing a hard disk and how to prepare the hard disk for the video recording 3 1 1 Network ...

Страница 46: ...r the recorder 3 Enable DHCP Server under DHCP Server if you wish to use the recorder as a DHCP server or leave it disabled if there is already a DHCP server in the network 4 Click Apply for the settings to take effect The recorder can detect the presence of a DHCP server upon startup It sets itself to use static IP address if there is no DHCP server currently presented in the network Its DHCP ser...

Страница 47: ...sers can access the NVR remotely with the DDNS domain name without worrying if the IP hs changed or not The NVR currently only works with free DDNS service provided by DynDNS For more information please go to www dyndns com If the NVR is placed behind a router or Internet gateway please make sure port forwarding for port 80 is configured on the router or the gat way in order for the DDNS function ...

Страница 48: ...ish 48 In order to properly configure the DDNS service function please reg ister a free DDNS domain name and account from DynDNS first Go to www dyndns com from the browser to do so Click on the Signup FREE button to begin Choose the FREE service on the left ...

Страница 49: ...e drop down menu Click here to automatically fill in the current public IP in the IP Address field Pick one or more options here any is fine Click to go to the next step The page will check whether the hostname you entered has been used by another user or not as soon as you click the Add to Cart button If you see below message simply enter a different and click Add to Cart again ...

Страница 50: ...t to the next page fill in the necessary fields as illustrated below Create an username and a password here This will be used in the NVR s configuration Enter a valid email ad dress as well Enter the security code Check to agree the license Click to finish creating the account ...

Страница 51: ...istration in the Do main Name field and the username password you created in the User ID and Password field and click Apply to finish You can click the Check DDNS Status button to check the DynDNS service status If you are getting a Disconnected message it means that DDNS service server is down or the NVR is not connected to the Internet If everything is ok normally you should be prompted with a s...

Страница 52: ...ck with the DynDNS server once every hour and update its latest public IP to the server The Apply button does the same thing which if you are see the Disconnected status you can use it to manually check with the server without waiting for the NVR to update itself in the next hour However it is advised not to do so too often as DynDNS disallow repetitive updates within a short period of time and th...

Страница 53: ...splay time of event logs and when they actually oc cur After selecting the time zone choose an option below to set the re corder time Manual Use the drop down list and configure the time manually Sync with NTP server enter the hostname or IP address of a valid NTP server and set how often the recorder should synchronize the time with it by using the Update interval drop down menu Sync with PC Chec...

Страница 54: ...l login To change the password of the admin account 1 Click and highlight the admin account in the account list and click Edit 2 Its information should be displayed in User Account Informa tion 3 Enter a new password in the Password field and enter it again in Confirm Password To add a new user Enter a username and password in User Account Information All oth er fields are optional for your own re...

Страница 55: ...uilt in groups and five built in privi lege profiles except the admin and the guest accounts the other five groups are fully customizable or you can simply assign a group with one of the default privilege profiles You can however assign more than one users to the admin account if you wish to do so The guest account comes with a view only privilege in the Live View page and users in this group do n...

Страница 56: ...e what type of privilege you would like this group to have from the Privilege Type drop down menu Its access privilege will then be displayed You can alter its settings by allowing or denying access to other cameras using the checkboxes instead of accepting the defaults ...

Страница 57: ...d to ini tialize it so that it can be ready for recording You can obtain basic information about the disk you installed in this page To initialize it simply click the Format button You can also connect external USB thumb drive to the recorder for firmware upgrade To obtain detail information about the disk go to System Options Disk Status ...

Страница 58: ...new camera Users have the option to let the recorder automatically find the cameras or it is possible to enter camera s information and add it manually Automatic Search 1 Click the Search button to perform the camera search You should be prompted to install Active Control component in order for the search to function properly Go ahead and click Install ...

Страница 59: ...n the Camera Information section Enter its username and password and select the channel ID and name the camera 5 Click on Detect to establish connection between the recorder and the camera If connection establishes successfully camera s de tailed information should be polled and displayed as below 6 Adjust its video format frame rate resolution or bitrate etc if you wish You can also click on the ...

Страница 60: ...on described above but instead of using the Search function enter the camera s IP address and cre dential in the Camera Information manually then follow step 5 6 described above Enter manually 1 2 If cameras are marked with in the search result it means those cameras are already configured and connected to the NVR ...

Страница 61: ...e display options if you would also like the re corder to automatically embed the system time or the frame rate for you Or simply choose to display a custom message of your own 3 Next define where the text will be displayed by either entering an X Y coordinate or use the system pre defined position from the drop down menu 4 Click on the Preview button to see the preview of your setting and click A...

Страница 62: ... This is helpful if you need to monitor multiple spots in one area from a particular camera 1 To set up PTZ preset points select a camera from the Camera drop down menu and click Add 2 Select a position number for the preset point from the Position Number drop down menu and fill in a name in the Position Name field for easier identification 3 Use the PTZ control provided in the configuration page ...

Страница 63: ...e this preset point a Home point among all other preset points as well as making the camera to move to this particular point when an event is triggered Move Here when Event Trigger In order for this function to work properly please also complete configuration in Event Configuration Event Trig ger ...

Страница 64: ...u To configure preset sequence for a camera select a channel from the Channel drop down menu The available preset points should be listed in Camera Presets sec tion Pick the ones you like for sequence viewing and press the button to move them to the Preset Sequence section then use the up and down buttons to adjust their sequencing positions Finally select a dwell time from the drop down menu and ...

Страница 65: ...which camera has detected an unusual event and where this event is happening This function works by incorporating the event detection function as well as the recording function which as a result helps users take all the nec essary actions when an unusual event occurs To replace the map click Browse button to locate the new map image file from the local PC and then click Upload Only JPG PNG and GIF...

Страница 66: ...the camera icon to move the camera to define its location Access the E Map Monitor page from the upper right hand corner menu When the NVR receives an event triggered from any of the cameras their videos will be displayed on the E Map and you can double click on the video to enlarge it ...

Страница 67: ... from different locations To configure locations of each camera first determine the location you d like to place the camera to on the map You can do so by 1 Zoom in to a smaller area by using the zoom control bar on the map 2 Zoom in to a smaller area by using the mouse scroll button You can also go to a specific place on the map by entering its address or the name of the place in the Address or p...

Страница 68: ...k and drag the camera icon to move it to the desired location The Google Map Monitor requires active Internet connection and can not be used in conjunction with the regular E Map monitor function You can click anywhere on the map and hold down the mouse left button then drag to move the map itself You can then access the Google Map Monitor from the top menu ...

Страница 69: ...hen it will be triggered Such setting can reduce the management overhead and notify the administrator only when it s necessary Start the event configuration by defining the general settings Define when an event will be triggered Choose Always or Only during under Event Trigger Duration For the Only during option choose the days by using the check box and then define the time range in those days in...

Страница 70: ...he first few frames of the video recorder upon an event is triggered You can also choose to have the recorder send out a warning mes sage in e mail or in txt file format and upload it to an destined FTP server The image s that are uploaded to the destined FTP server or emailed to a des tined mail recepient are in their own proprietary image file format h4i or p4i which can only be opened by the NV...

Страница 71: ...or a disk failure the recorder can send notification with the acceptable format image txt to a destined event server according to the configuration Configuring an FTP server To add an FTP server 1 Start by giving a name to the server that you are adding to the recorder 2 Enter the hostname or the IP address of the FTP server 3 Enter the communication port of the FTP server usually port 21 ...

Страница 72: ...red or leave it unchecked to use active mode 6 Click Test to verify if all information is entered correctly and the connection to the FTP server can be established successfully 7 Click Add for the settings to take effect If you wish to edit remove enable disable an FTP server click to highlight one from the profile list and choose the corresponding action button checkbox ...

Страница 73: ...e IP address of the SMTP server 2 Enter the port of the SMTP server 3 Specify the sender s name in the Sender s name field 4 Enter the sender s e mail address 5 Check Enable Authentication and enter the username and pass word of the SMTP server and as it requires authentication 6 Click Apply to save the configuration ...

Страница 74: ...bled What is considered to be an event Where the warnings will be sent to and how they will be sent Select Channels to Enable Event Trigger and which type of event should be triggered Use the checkbox to enable event trigger on the desired channels Once motion detection is enabled in this page please configure the motion area and enable motion detection in the corresponding channels cameras The NV...

Страница 75: ...d trigger the recorder to send out notifications Define how the notifications will be sent and where they will be sent to Event trigger may not work for cameras that are placed outside of your local network or on the Internet until the UPnP Port Forwarding is enabled in both the NVR and the router ...

Страница 76: ...f different types of recordings performed on each channels It can help the recorder to operate with sufficient system resource by performing recording only when it s necessary with adjustable recording frame rate You can define the following in General Settings Pre Alarm Post Alarm recording length Recording frame rate Enable disable different recording types on different cameras Enable disable au...

Страница 77: ...ording type The Pre alarm function only works when the Continueous recording is also activated Users can also set to keep a previous number of days of recording data by enabling the option below This is quite often used in applica tion such as banking which certain countries requires to always keep a minimum previous number of days of recording data If this option is enabled once the hard drive is...

Страница 78: ...s Manual English 78 The Camera Recording Setting section allows you to turn on or off a particular recording type on any channels The section at the bottom of the page allows you to disable audio recording record video only of particular channels ...

Страница 79: ...1 Use the Channel drop down menu and select a camera first 2 You can use the schedule table to set the time range Click the cell boxes then move horizontally lets you set what hours to perform recording during a day Click and move vertically lets you set what days to perform recording at a specific time Each cell box represents 15 minutes of time Click one or more boxes to omit consecutive recordi...

Страница 80: ...stead of clicking cell boxex one by one on the time ta ble Simply check what days you would like to perform recording and specify the recording duration by either choosing All Day or enter a start and end time for specific recording duration 4 Select the Copy to option if you would like to set the same re cording schedule to another camera ...

Страница 81: ... status and allows users to perform maintenance tasks such as upgrading firm ware restore backup device settings or reboot device etc 3 5 1 Device Information The Device Information provides the general information of the device such as firmware version and system time It also provides information of the current network settings and status ...

Страница 82: ...es basic information for troubleshooting 3 5 3 Maintenance Maintenance provides functions for users to Reboot the NVR when necessary Reboot cameras directly from the NVR Perform Firmware Upgrade Backup the NVR s settings to a local hard drive Restore the NVR s settings from a previously saved configuration file Reset the NVR s settings to their factory default values ...

Страница 83: ...firmware to take effect Such process would prevent a recording from getting interrupted be cause the system would not automatically reboot itself after the new firmware is loaded onto the recorder Simply click Restart to begin the reboot process and confirm the action The restart process should be displayed and you should be prompted back to the Maintenance page after it is complete ...

Страница 84: ...nsion please use the file as is DO NOT unzip it It s normal that you may only see tar as the file extension in Windows as the OS hide the known file extention by de fault A Upgrade through Web UI 1 Login into NVR s web management UI Go to Setup page and go to System Options Maintenance 2 On Upgrade NVR s Firmware section click Browse and select new firmware file 3 A new dialog should display and l...

Страница 85: ...o the USB disk 3 Plug USB flash disk into USB port on the NVR 4 The Status LED on the NVR will start to flash in amber This indi cates firmware upgrade is in process 5 Warning Please wait until upgrade process finished inter rupt the upgrade process may cause system not work anymore 6 Wait until Status LED flashes in green This indicates firmware up grade is finished 7 Power off the NVR and remove...

Страница 86: ...anual English 86 Reset the NVR to Factory Default To reset the recorder back to its factory default click Default but ton and begin the proces The process should be displayed and you should be prompted back to the Live View page after it is complete ...

Страница 87: ...4 Channel Basic Network Video Recorder User s Manual English 87 3 5 4 Disk Status Disk Status gives you a more detailed information of the hard drive that is currently installed in the NVR ...

Страница 88: ...gy com tw 2007 SEEnergy Corp The SEEnergy logo is a registered trademark of SEEnergy Corp All other company names and products are trademarks or registered trademarks of their respective companies The specification is subject to change without prior notice SEEnergy endeavors to ensure that the information in this document is correct and faily stated but does not accept liability for any error or o...

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