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65 Aleksandar Stamboliyski Str., 8000 Bourgas, Bulgaria

Tel: +359 56 820027, Fax: +359 56 836700

E-mail: [email protected] ,Web: www.devabroadcast.com

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Typographic conventions

This manual uses the following typographic conventions:

Style

Used for

NOTE

Important notes and recommendations

Example

Used when example text is cited

“Menu” on page XX.

References

[OK]

Interface Interactive buttons.

Settings

Menu paths are represented as follows:

Settings> General> Backup

Содержание DB4402-V2

Страница 1: ...MAINTENANCE AND OPERATION INSTRUCTION MANUAL Publish Date 20 Jun 2019 DB4402 V2 High Performance Dual FM Monitoring Receiver Radio Streamer ...

Страница 2: ...t Settings 13 Audio Streamer 14 Network Settings 14 WEB Server 14 Audio 14 GSM Modem 14 SNMP Settings 14 Management Settings 15 Safety Precautions 16 Panel Indicators and Appointments 17 Front View 17 Rear View 18 Getting Started 19 Connection 19 Network Settings 20 Network Discovery 20 Login 21 WEB Interface FM Monitoring Receiver 22 Device Control Interface 22 Main 23 MPX 24 Loudness 25 FM Graph...

Страница 3: ...tputs Settings 56 Other Settings 57 APPENDIX A 58 Alarm Triggers 58 Alarm Notifications 60 APPENDIX B 61 GSM Modem Option Features and Usage 61 Short message services available 62 Remote Audio Listening 62 Remote Status Request 63 Initialization procedure for Sierra Wireless AirLink FXT009 GSM modem 64 1 Setting up the modem 64 2 Connecting with DEVA Unit 66 APPENDIX C 67 How should I configure th...

Страница 4: ...THIS PAGE IS INTENTIONALLY LEFT BLANK ...

Страница 5: ...ved us a reliable business partner and a valuable asset as our dealers worldwide would confirm In constant pursuit of precision and long term satisfaction DEVA enhances the reputation of our partners and clients alike Furthermore we have already a proven merit as a credible partner provider Our portfolio offers complete line of high quality and competitive products for FM and Digital Radio Radio N...

Страница 6: ...ww devabroadcast com 6 Typographic conventions This manual uses the following typographic conventions Style Used for NOTE Important notes and recommendations Example Used when example text is cited Menu on page XX References OK Interface Interactive buttons Settings Menu paths are represented as follows Settings General Backup ...

Страница 7: ...dio feed at the same time as the logger campaign is running The design of this device relies on simplicity coupled with functionality to offer customers the opportunity of a single solution to both tasks Providing the stable dependable operation characterizing all DEVA products the DB4402 V2 is fully DSP based with a built in oscilloscope and an RDS RBDS decoder with a BER meter It also permits us...

Страница 8: ...tenna Input Adjustable alarms for RF Deviation Pilot and RDS signal Firmware update for future proof operation Parameters Factory Restore Option FM Band 87 108 MHz Basic Spectrum Analyzer MPX PILOT RDS deviation meters LEFT and RIGHT demodulated audio level meters Headphones audio output RDS and RBDS decoder with BER meter Intuitive Application Interface Alarm dispatch via E mail SMS SNMP Channel ...

Страница 9: ...nd R 0 1 dB 10 Hz to 15 kHz SNR Stereo 60 dB 50 µs de emphasis THD 0 1 10 Hz to 15 kHz 50 µs de emphasis Separation 50 dB 50 Hz to 10 kHz 50 µs de emphasis Crosstalk 52 dB RDS DECODER Standards European RDS CENELEC United States RBDS NRSC Error Correction Counting Yes AF Decoding Yes CT Time Date Yes PI PTY DI MS Yes TA TP Yes RT Radio Text RT Yes PS Program Service name Yes ODA Yes Group Analyzer...

Страница 10: ... Web interface Full monitoring and control Interactive and easy to use Indicators 6 LEDs on front panel Headphone Output 1 8 3 5mm phone jack on front panel OPERATING CONDITIONS Temperature 10 to 60 C EMC Immunity 6V m OUTPUTS Audio stream Icecast Shoutcast compatible audio stream Alarms E mail SMS SNMP Headphone 1 8 3 5mm Phone Jack GSM Modem 15 pin Male D Sub Connector COMMUNICATION INTERFACES E...

Страница 11: ...P 192 168 1 2 Gateway 192 168 1 1 Subnet Mask 255 255 255 0 DNS 192 168 1 1 DHCP Enabled WEB Server HTTP Port 80 Admin Username user Password pass User Username user Password pass E mail E mail 1 blank E mail 2 blank Sender blank Server blank Port 25 Audio Stream Port 5000 Name DB4402 V2 FM Radio Monitoring Tool Quality 128 kbps GSM Modem Number 1 blank Number 2 blank Number 3 blank Number 4 blank...

Страница 12: ...Settings Agent Enabled Agent ID 1 Agent Port 161 Read Community DEVA4402 Write Community DEVA4402 Manager IP 192 168 1 1 Manager Port 162 Management Settings Attenuator Auto De emphasis 50 µs Internet Time Enabled Internet Time Server pool ntp org Internet Time Server Port 123 Time Zone UTC 00 00 Web session timeout 3 minutes SNMP session timeout 1 minute ...

Страница 13: ...V 60 dBµV 60 dBµV 60 dBµV 60 dBµV 60 dBµV MPX Alarm Low Threshold 50 kHz 50 kHz 50 kHz 50 kHz 50 kHz 50 kHz MPX Alarm High Threshold 90 kHz 90 kHz 90 kHz 90 kHz 90 kHz 90 kHz MPX Power Alarm Low Threshold 8 dBr 8 dBr 8 dBr 8 dBr 8 dBr 8 dBr MPX Power Alarm High Threshold 6 dBr 6 dBr 6 dBr 6 dBr 6 dBr 6 dBr Left Alarm Low Threshold 30 dB 30 dB 30 dB 30 dB 30 dB 30 dB Left Alarm High Threshold 3 dB ...

Страница 14: ...55 255 255 0 DNS 192 168 1 1 DHCP Enabled WEB Server HTTP Port 80 Admin Username user Password pass User Username user Password pass Audio Stream Port 5000 Name DB4402 V2 FM Radio Streamer Quality 128 kbps GSM Modem Number 1 blank Number 2 blank Number 3 blank Number 4 blank Baudrate 9600 SNMP Settings Agent Enabled Agent ID 1 Agent Port 161 Read Community DEVA4402 Write Community DEVA4402 Manager...

Страница 15: ...6700 E mail office devabroadcast com Web www devabroadcast com 15 Management Settings Attenuator Auto De emphasis 50 µs Internet Time Enabled Internet Time Server pool ntp org Internet Time Server Port 123 Time Zone UTC 00 00 Web session timeout 3 minutes SNMP session timeout 1 minute ...

Страница 16: ... equipment enclosure Do not remove the sticker from the equipment as it contains important specifications and the relevant serial number To join the equipment to the mains supply use the power cord purchased with the equipment The equipment must be used only for the purposes it was designed for Abuse or misuse of the equipment is extremely dangerous for people pets and property The manufacturer de...

Страница 17: ...n be in one of the following states Off No User Connected Logger is active Blinking User is connected Logger is inactive 5 RX1 GSM LED Indicator This LED can in one of the following states Off no GSM Modem Fast Blinking GSM Modem initialization Slow Blinking GSM Modem present and operating 6 RX2 LAN LED Indicator This LED can be in one of the following states Off No User Connected Logger is active...

Страница 18: ... BEFORE SERVICING GND RECEIVER 2 100 240VAC 50 63Hz 25VA GSM MODEM ANTENNA RECEIVER 1 MAX RF INPUT LEVEL 110 dB V µ C A U T I O N LAN GSM MODEM ANTENNA 1 2 3 4 5 6 7 8 Receiver 2 1 LAN Port Internet Input standard RJ 45 port 2 GSM Modem Connector DB 15 male 3 Antenna Input BNC connector for FM Antenna Receiver 1 4 LAN Port Internet Input standard RJ 45 port 5 GSM Modem Connector DB 15 male 6 Anten...

Страница 19: ...sing the provided power cable connect the unit to the power supply network 3 Connect the antenna cable to the RF antenna input connector located on the rear panel of the device 4 Connect the DB4402 V2 to the TCP IP network using direct network cable 5 Connect the optional GSM modem via the connection cable provided with the GSM modem In order for better GSM network coverage to be achieved please s...

Страница 20: ...in and password pass NETWORK DISCOVERY If you have already enabled this function on your computer just open a new Explorer bar and click on Network The device must be displayed If not follow the instructions below 1 Open Advanced sharing settings by clicking the Start button and then on Control Panel In the search box type network click Network and Sharing Center and then in the left panel click C...

Страница 21: ...402 V2 can serve two users at a time one logged in the FM Monitoring receiver and one logged in the FM Radio Streamer Username and Password will be requested when connecting Default values are user and pass Enter your credentials and press Login button to continue to Main screen If the WEB Interface is already in use you will be prompted shortly NOTE DB4402 V2 will Logout automatically the current...

Страница 22: ...3 5 1 Frequency indicator showing currently tuned frequency 2 Stereo indicator 3 RDS RBDS presence indicator information 4 RF Attenuator Status 5 Signal Quality indicator 6 Channel Alarms indicator will be lit in red when the Scheduler has detected an alarm on channel see Channels settings on page 37 7 MPX Level indicator 8 RF Level indicator The red zone low level indicates RF level below 20 dBμV...

Страница 23: ...oadcast com Web www devabroadcast com 23 MAIN The Main Screen of the WEB Interface shows all the mandatory parameters represented as LED readings You can easily select the preferred audio frequency by using the selection buttons placed on the left part of the screen All station presets are defined by the user ...

Страница 24: ...graph of the MPX power with average indicator measured in dBr The MPX Power is calculated continuously with an integration window of 60 seconds and a new sample every 20 seconds Therefore the first sample is available 60 seconds after tuning The rule of MPX Power provides to measure the modulation power which is seen equal to modulate signal electric power for one minute time period and to compare...

Страница 25: ...loudness measured over a variable sliding time window gated as described in ITU BS 1770 4 The time window can be varied between 10s and 120s The page offers all the above measurements in two display forms high refresh rate bar graphs for displaying current values and a time graph for extended visualization over time The user can modify the processing and appearance of the measurement using the fol...

Страница 26: ...f 120 seconds All parameters have their own color representation and measurement units visible below the graph According to your needs the signals listed in the right hand section of the dialog window can be visible or hidden Click on the corresponding button in order for a parameter to be displayed hidden The radio frequency to be observed could be easily set by using the preset buttons placed on...

Страница 27: ... the total number of transferred bits during a studied time interval Result closer or equal to 0 indicates that no bit errors are detected and vice versa result closer or equal to 1 indicates that the received transferred bits are only errors Basic RDS PI CALL Program Identification The PI code is your station s digital address It is a hexadecimal code that is assigned by an appropriate broadcasti...

Страница 28: ...traffic bulletins for motorists as part of its normal everyday programming When the TP flag is displayed on the receiver faceplate the radio is searching for traffic announcements The radio keeps track of TP stations offering this service to speed up the search and switch process TA Traffic Announcement This is a temporary flag added to the RDS data stream only when a traffic bulletin is being air...

Страница 29: ... Station such as the telephone number or the web address of the Radio Station s hotline These objects or more accurately RT information elements carried in the RDS RadioText RT messages are identified by their location within the RT messages and by the class code of their content type Once an information element is received and understood a receiver is able to for example store the different RT in...

Страница 30: ... Transform The window function can be selected through the relevant menu with interactive buttons The available windows and their features are given below This table can be used to choose the best windowing function for each application Window Best type for these Signal Types Frequency Resolution Spectral Leakage Amplitude Accuracy Rectangle Transient Synchronous Sampling Best Poor Poor Barlett Ra...

Страница 31: ...ail office devabroadcast com Web www devabroadcast com 31 SCOPE Scope screen represents the signals participating in the process of demodulating and stereo decoding over time In order for the signal source to be changed the corresponding button on the right side of the graph should be pressed ...

Страница 32: ...different types of Bandscan depending on the preferred signal frequency step The bandscanning mode could be customized by setting low and high frequency limits of the scan Once you have set the frequency step and low high frequencies the start button should be pressed in order for the Bandscan process to be initiated The current scan could be stopped at any time by pressing the Stop button To eval...

Страница 33: ...GSM modem is connected the status of the modem will also be depicted in the relevant section The Channel parameters RF MPX Pilot etc have several conditions In range green OK Out of range red LOW HIGH or LOSS Signal monitoring is not enabled n a The status of the RDS RBDS Groups Alarm is displayed on the bottom of the channels section Green RDS RBDS Group is received Red RDS RBDS Group is not rece...

Страница 34: ...cast com 34 LOG Here are listed all the Device System Events The local measurements and logs are saved in the internal device memory All log files can be downloaded via the built in FTPserver For information on how the connection between the DB4402 V2 and an FTP Client should be configured please refer to Download files via FTP on page 67 ...

Страница 35: ...r on it will be used as a title name for all WEB pages Customizing the name will make the device more recognizable WEB Log the maximum storage time of the System Log file is chosen from here If the file is older than the specified maximum will be deleted Date Time used for manually set the current Date and Time Copy Local Time button will set the Date and Time to correspond to that of your compute...

Страница 36: ... If any changes in the signal are detected the unit will automatically adjust to the correct values Stereo Blend reduces the stereo separation if the received signal is bad High Blend applies low pass filter to the L R audio levels High Cut applies low pass filter to the L R audio levels Soft Mute reduces the level of the audio if the RF level is too low Average Peak Adjustments Section is used fo...

Страница 37: ...sists of a group of settings explained in details below which are used when monitoring and alerting Each preset has its own page where it is being configured Measurement windows can be set for each of the six parameters RF Left and Right audio levels MPX baseband deviation Pilot and RDS RBDS deviation Trigger and alarm release times can be set for each alarm The notification means Email SMS SNMP G...

Страница 38: ...n page 25 Alarm Alarm Range interactive slider used to adjust the Low High thresholds at which an alarm will be generated Warning Range interactive slider used to adjust the Low High thresholds at which a warning will be generated Threshold buttons to enable disable alarm range limits Trigger Time waiting time before Active Alarm Warning is generated Release Time waiting time before Idle Alarm War...

Страница 39: ...ure cannot be completed DB4402 V2 will use AutoIP and will generate an IP Address GSM Modem Up to five numbers for SMS control and alarm notifications could be set Baud Rate is mandatory for the proper operation of the GSM Modem We recommend that a test SMS to be generated via pressing the Test button once all needed settings are applied Upon success the SMS will be delivered to all the specified ...

Страница 40: ...ettings Sender Username and Password Server SNMP port and connection type 3 It is mandatory the type of connection with the server to be specified from Connection Regular Encrypted 4 The Server port will be changed accordingly Please note that the most commonly used port will be entered in the field If the port that is to be used is different change it manually to the correct value 5 We recommend ...

Страница 41: ...PO 2 GPO 3 The general purpose outputs settings are applied through this page Function type and pulse time for each of the GPOs could be set individually You can choose between the available functions Type is used for specifying of the active level When an alarm is generated the output can change the level to Active High Low or to generate High Low Pulse PLEASE NOTE that if the GPO s function is n...

Страница 42: ... section The entire internal storage could be deleted by pressing the Format button System Log By pressing the Clear button all records in the system log will be deleted Factory Defaults All except IP all settings except for the Network settings IP Address will be deleted To restore DB4402 V2 to its Factory Defaults press All except IP A new window will appear confirm that you want to restore the ...

Страница 43: ...y indicator showing currently tuned frequency 2 Stereo indicator 3 RDS RBDS presence indicator information 4 RF Attenuator Status 5 Signal Quality indicator 6 Channel Alarms indicator will be lit in red when the Scheduler has detected an alarm on channel see Streamer Channels settings on page 53 7 MPX Level indicator 8 RF Level indicator The red zone low level indicates RF level below 20 dBμV 9 Fr...

Страница 44: ...roadcast com Web www devabroadcast com 44 MAIN he Main Screen of the WEB Interface shows all the mandatory parameters represented as LED readings You can easily select the preferred audio frequency by using the selection buttons placed on the left part of the screen All station presets are defined by the user ...

Страница 45: ... the total number of transferred bits during a studied time interval Result closer or equal to 0 indicates that no bit errors are detected and vice versa result closer or equal to 1 indicates that the received transferred bits are only errors Basic RDS PI CALL Program Identification The PI code is your station s digital address It is a hexadecimal code that is assigned by an appropriate broadcasti...

Страница 46: ...traffic bulletins for motorists as part of its normal everyday programming When the TP flag is displayed on the receiver faceplate the radio is searching for traffic announcements The radio keeps track of TP stations offering this service to speed up the search and switch process TA Traffic Announcement This is a temporary flag added to the RDS data stream only when a traffic bulletin is being air...

Страница 47: ... Station such as the telephone number or the web address of the Radio Station s hotline These objects or more accurately RT information elements carried in the RDS RadioText RT messages are identified by their location within the RT messages and by the class code of their content type Once an information element is received and understood a receiver is able to for example store the different RT in...

Страница 48: ...different types of Bandscan depending on the preferred signal frequency step The bandscanning mode could be customized by setting low and high frequency limits of the scan Once you have set the frequency step and low high frequencies the start button should be pressed in order for the Bandscan process to be initiated The current scan could be stopped at any time by pressing the Stop button To eval...

Страница 49: ...ce devabroadcast com Web www devabroadcast com 49 STATUS The status tab shows the alarm status of each parameter of the preset frequencies along with the basic device and network status IP address MAC etc If a GSM modem is connected the status of the modem will also be depicted in the relevant section ...

Страница 50: ...cast com 50 LOG Here are listed all the Device System Events The local measurements and logs are saved in the internal device memory All log files can be downloaded via the built in FTPserver For information on how the connection between the DB4402 V2 and an FTP Client should be configured please refer to Download files via FTP on page 67 ...

Страница 51: ...rname and password could be set from the Security section By choice you can change the name of the device General section Later on it will be used as a title name for all WEB pages Customizing the name will make the device more recognizable WEB Log the maximum storage time of the System Log file is chosen from here If the file is older than the specified maximum will be deleted Date Time used for ...

Страница 52: ... If any changes in the signal are detected the unit will automatically adjust to the correct values Stereo Blend reduces the stereo separation if the received signal is bad High Blend applies low pass filter to the L R audio levels High Cut applies low pass filter to the L R audio levels Soft Mute reduces the level of the audio if the RF level is too low Average Peak Adjustments Section is used fo...

Страница 53: ...nd RDS RBDS deviation Trigger and alarm release times can be set for each alarm The notification means Email SMS SNMP GPO is set for each parameter individually To enable the notification press on the relevant button so that it could be illuminated in green Channel Enabled Disabled channel monitoring and sending of warnings and alarms If the channel is not generally enabled the frequency will not ...

Страница 54: ...ure cannot be completed DB4402 V2 will use AutoIP and will generate an IP Address GSM Modem Up to five numbers for SMS control and alarm notifications could be set Baud Rate is mandatory for the proper operation of the GSM Modem We recommend that a test SMS to be generated via pressing the Test button once all needed settings are applied Upon success the SMS will be delivered to all the specified ...

Страница 55: ...utton SNMPAgent Agent Enabled Disabled the SNMP Agent SpecifyAgent ID Agent Port Read Write Communities Manager IP Manager Port and session timeout Agent ID is used for identification of the device among others when an SNMP notification is being sent Once all needed settings are applied use the Test button to generate a test notification which upon success will be received by the SNMP Manager Pres...

Страница 56: ... 56 820027 Fax 359 56 836700 E mail office devabroadcast com Web www devabroadcast com 56 OUTPUTS SETTINGS GSM Audio interactive slider used to adjust the Level of the GSM Audio Headphones Audio interactive slider used to adjust the Level of the Headphones Audio ...

Страница 57: ... section The entire internal storage could be deleted by pressing the Format button System Log By pressing the Clear button all records in the system log will be deleted Factory Defaults All except IP all settings except for the Network settings IP Address will be deleted To restore DB4402 V2 to its Factory Defaults press All except IP A new window will appear confirm that you want to restore the ...

Страница 58: ...larm or warning There are several Alarm Triggers for the following parameters RF MPX MPX Power Left Right Audio RDS Group loss Pilot and RDS levels An option for defining different limits for each of the parameters is present All these values the trigger time and the release time have to be assigned separately for each of the alarms Start Idle reset alarm and warning interval Warning Active reset ...

Страница 59: ...ecord The state will not be immediately switched into Idle when the parameter stabilizes within Threshold levels not up until the Alarm Release Time is elapsed Meanwhile if the parameter crosses again any Threshold the Alarm Trigger will remain in Active state If the parameter remain within the Threshold levels and the Alarm Release Time expires then the Alarm Trigger would switch into Idle state ...

Страница 60: ...signal parameters are also included Example for E mal Notification Date 04 Nov 2013 07 31 11 DB4402 V2 reports ACTIVE alarm on 91 10MHz Power FM CH1 Alarm RDS 6 5kHz Signal parameters RF 51 5dBuV MPX Total 89 9kHz MPX Power 128 0dBr Pilot 7 5kHz RDS 11 4kHz Left 7 2dB Right 8 2dB Example for SMS Notification ACTIVE ALARM CH 2 27 09 2013 09 08 34 FREQ 95 7MHz RF 35 0dBuV L MPX 60 3kHz Left 2 8dB Ri...

Страница 61: ...e connecting the GSM Modem to the DEVA Unit it is necessary to set up the parameters for normal operation Please bear in mind that GSM modem does not have an automatic detection of the baud rate AUTOBAUD function The most important thing is to set up the GSM Modem communication settings The Communication speed must be 9600 bps Data Bits 8 Parity None Stop Bits 1 The SIM Card PIN code must be disab...

Страница 62: ...ARM Dispatch This is a notification that the DEVA Unit will send to you in the cases when a parameters drops below or exceeds the pre defined threshold In case of ALARM the unit will send SMS to all authorized GSM numbers Bellow you will find examples how to use the DEVA Unit with GSM Modem features REMOTE AUDIO LISTENING Type the following text and send it as SMS to the DEVA Unit s GSM number Lis...

Страница 63: ...frequency and will make measurement of all the parameters listed above Once the procedure is completed an SMS message will be generated and sent to the requestor s GSM Command Example Status FFF FF FFF FF is frequency to Tune IMPORTANT Do not include leading zeroes such as Status 089 90 Fill with trailing zeroes up to two digits after decimal symbol Decimal symbol must be not comma For example Sta...

Страница 64: ... Prior to connecting using the GSM modem for the first time kindly read the manufacturer s user manual The document can be found on https source sierrawireless com resources airlink hardware_reference_docs airlink_fxt_series_user_guide The appropriate values should be assigned via the RS232 interface of the GSM modem A custom made cable and a terminal program of any kind should be used The cable s...

Страница 65: ...r further information on theAT commands please refer to the GSM Modem complete user manual Once the modem is returned to its factory defaults you can proceed with following commands COMMAND DESCRIPTION NOTE ATE0 This command will turn Echo Off AT ICF 3 4 8n1 no parity AT IFC 0 0 no flow control AT IPR 9600 set com speed Change terminal speed to 9600 bps if needed AT W save configuration After this...

Страница 66: ...59 56 820027 Fax 359 56 836700 E mail office devabroadcast com Web www devabroadcast com 66 2 Connecting with DEVA Unit Communication Cable Description DEVA Unit port DB 15 female pin GSM modem DB 15 male pin Note 2 2 com TX 4 4 mic 5 5 mic 6 6 com RX 9 9 gnd ...

Страница 67: ...ge of FileZilla https filezilla project org This is a widespread open source software distributed free of charge hence available for downloading from the Internet NOTE The FTP Server can manage only one connection at a time The FTP Server works in Passive mode Hence the FTP Client should also be set in passive mode 2 IP Router and Port Translation Settings If the connection to the device is made t...

Страница 68: ...ases FileZilla s Quick connect feature is not able to connect with the DEVA unit That is why we recommend the device to be assigned in the program manually Enter the FTP Client and go to File Site manager New Site A dialog box requiring obligatory information about the device will appear Fill in the needed information and press OK Select Transfer Settings sub menu and apply the settings as shown b...

Страница 69: ... not apply to damage caused by misuse abuse accident or neglect This Warranty is voided by unauthorized attempts at repair or modification or if the serial identification label has been removed or altered III TERMS OF WARRANTY DEVA Broadcast Ltd products are warranted to be free from defects in materials and workmanship A Any discrepancies noted within TWO YEARS of the date of delivery will be rep...

Страница 70: ... mail Phone Fax Which DEVA Broadcast Ltd product did you purchase Product Serial Purchase date Installation date Your signature Signing this warranty registration form you are stating that all the information provided to DEVA Broadcast Ltd are truth and correct DEVA Broadcast Ltd declines any responsibility for the provided information that could result in an immediate loss of warranty for the abo...

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