Sencore DSA 1491 User Manual Download Page 1

Page: 1 / 192

August 2020
Form 8146

www.sencore.com | 1.605.978.4600

Revision 1.1

DSA 1491

Professional Multi-stream Satellite, Broadcast

TV, CATV, ASI, IPTV

DIGITAL SIGNAL ANALYZER

User Manual

Summary of Contents for DSA 1491

Page 1: ...August 2020 Form 8146 www sencore com 1 605 978 4600 Revision 1 1 DSA 1491 Professional Multi stream Satellite Broadcast TV CATV ASI IPTV DIGITAL SIGNAL ANALYZER User Manual...

Page 2: ...inks to third party web pages that are beyond the control of Sencore The presence of such links does not imply that Sencore endorses or recommends the content on those pages Sencore acknowledges the u...

Page 3: ...DSA 1491 User Manual Page 3 192 Revision History Date Version Description Author 11 30 2015 1 0 Operations Manual for DSA 1491 G A K 8 4 2020 1 1 Updated Package Contents M D H...

Page 4: ...XERCISE 21 2 3 DROPDOWN MENU SELECTIONS 22 2 4 MEASUREMENT SIGNAL SELECTION 24 2 5 METER TUNING 24 2 6 QUICK START MEASUREMENTS 25 2 7 ENTERING FIELD VALUES 26 SECTION 3 METER CONFIGURATION 27 3 1 CON...

Page 5: ...R NOISE MARGIN GRAPH Function 62 4 76 MULTI FREQ L BAND FUNCTION 63 4 77 SAT POINTER Function 64 4 78 Azimuth Elevation 65 4 8 SATELLITE MEMORY MANAGEMENT 67 4 81 SAVE DATALOGGER Satellite Auto Measur...

Page 6: ...vice Page Description 116 6 32 CATV MPEG Video Service Monitoring 117 6 4 CATV MEASUREMENT POPUP MENU 117 6 41 TSstreaming 118 6 42 MINISPECTRUM 119 6 43 VISUAL NIT 120 6 44 CHANNEL LOGGER 120 6 5 CAT...

Page 7: ...PTIC POWER MEASUREMENTS 161 10 1 OPTIC POWER FUNCTION 161 10 2 OPTICAL INPUT CONNECTORS 162 SECTION 11 SCREEN SHOT CAPTURES 163 11 1 CAPTURING SCREEN SHOTS TO A USB MEMORY STICK 163 SECTION 12 GPS MEA...

Page 8: ...program identification lists and non encrypted video is displayed providing advanced signal analyzing The DSA 1491further provides a full arsenal of unique special tests and control features to assist...

Page 9: ...stom channel plan programming meter cloning logger file download and export in xls firmware updates and more Please read the SMART Users Guide supplied on the CD with the instrument for information on...

Page 10: ...or transponder tuning plans Select numeric 9 0 qrst letters F Spectrum Analyzer Pushbutton Selects the Spectrum Analyzer function Selects Increments through test pages G Power and Home Pushbutton Pre...

Page 11: ...t Analysis B Management LAN Port RJ45 Connector for LAN connection Meter Setup and remote control application C Internal Speaker Opening for sound from internal speaker D Inlet for cooling fan Opening...

Page 12: ...ut Active only on the DSA1490 ASI model E ASI Output BNC Provides an ASI demodulator output of the tuned TV RF channel F GPS Input Option SMA 50 ohm Connector GPS measurements G CAM Socket Conditional...

Page 13: ...carrying case by opening the flap of the padded carrying case on the right side of the meter Using the stylus helps keep the meter s screen clearer and cleaner The icons on the Home Menu screen quickl...

Page 14: ...d with the selected satellite broadcast TV or cable TV measurement mode G MEMORY Touch to manage logger files start channel logs or recall log files H ASI IP Analyzer Touch for selection of ASI Transp...

Page 15: ...When powering off the DSA 1491 should you wish to turn it back on again please wait 5 seconds after powering down the instrument before you turn it back on again This gives the internal circuits time...

Page 16: ...her battery technologies so a full discharge and recharge cycle is not beneficial After use it would be advisable to charge the battery If used daily charge the battery pack every night for best batte...

Page 17: ...uit board socket 4 Gently pull the battery free from the battery compartment and lift from the compartment Use care not to damage the four side pads and battery wrap material 5 Feed the wire and conne...

Page 18: ...DSA 1491 User Manual Page 18 192 discharge the battery and take it to a designated collection point in your area Never dispose in a household or business waste collection...

Page 19: ...lus to the screen at locations of a listing heading field or an icon This selects the test or field The selected field is indicated by a colored box typically red or dark orange The color depends on t...

Page 20: ...DSA 1491 User Manual Page 20 192...

Page 21: ...he right The blue sections contain listings which may be selected A red box or yellow box highlights or indicates the selected listing in these groups 3 Select a Satellite Plan left blue area with the...

Page 22: ...re in the list than are currently visible To scroll up in the list touch the up arrow with the stylus or your finger tip To scroll downward touch the down arrow with the stylus or your finger tip You...

Page 23: ...menu Touch the stylus to the numbers at the bottom to enter the frequency value Use the back arrow to increment fields to the left Use the clear entry 2nd from the right to clear a field entry Touch...

Page 24: ...always be conscious of the main signal type selected on the HOME Menu Always select the signal type that is proper for the TV RF signal you are measuring 2 5 Meter Tuning The DSA 1491 is both a satel...

Page 25: ...ATELLITE at left typically the default Select satellite by name orbit position in the center section Touch the screen s MEAS icon at the right of the screen b BROADCAST TV Highlight TvMASTER PLAN typi...

Page 26: ...creen area The number of fields or boxes represent the number of digits available for entry The characters and or numbers along the bottom are the appropriate entries You may move to the left or right...

Page 27: ...h your finger over the listing Alternatively you may push the ENTER pushbutton and slide your finger over the arrow section of the Control Knob to navigate to other listings The selection to the right...

Page 28: ...ue Touch NO on the display if you want to return to the Quick View menu NOTE If you mistakenly press the YES selection and the meter s display goes black press and hold down the POWER pushbutton for 3...

Page 29: ...ation on the display screen To disable the ASI IN feature touch the ASI IN field and touch the highlighted portion to indicate OFF 3 17 RF IN The RF IN field provides control to switch the input from...

Page 30: ...or a period of 30 seconds the display brightness is reduced If no user key press or touch command is received within 5 minutes the meter automatically powers off When the displayed is dimmed pressing...

Page 31: ...e selections are listed at the right of the category The Configuration Menu includes METER TV SAT CATV METER INFO IPTV CONFIGURATION COMMON INTERFACE and DIAGNOSTIC listings Each listing has an associ...

Page 32: ...eld Touch the LANGUAGE field followed by touches to the highlighted field at the right to increment through available language selections 3 21 4 KEYS BEEP The KEYS BEEP field provides selections to en...

Page 33: ...cates 000255000 the battery capacity is approximately 255 minutes If letters are indicated such as a 000275BGEY readout the battery capacity is 275 minutes If sufficient time and or a Y YES shows as t...

Page 34: ...in the center of the target circle 3 21 11 TIME DATE SETTINGS The TIME DATE SETTINGS field provides entry of the time in hours 1 24 minutes and seconds It further provides entry of date information i...

Page 35: ...LNB L O frequency is not the default 0 MHz the frequency readout in the meter s measurement screen will indicate improperly for the known broadcast or cable channel frequency The frequency indication...

Page 36: ...eld becomes active and may be selected to provide antenna factor calibration offsets and offsets for cable loss 3 23 SAT Configuration The SAT listing provides settings relative to the satellite measu...

Page 37: ...than in the satellite channel plan you may select for the available KU BAND frequencies for testing To select a KU band local oscillator frequency navigate to the CONFIGURATION MENU and touch the SAT...

Page 38: ...owed by touches to the highlighted field at the right to select the desired dual orbital positions 3 23 7 SAT EXPERT The Satellite Expert feature is not available for use with the Sencore DSA 1491 The...

Page 39: ...uency is set or selected the meter performs the frequency conversion subtracting the lower frequency from the larger frequency Note If the LNB L O frequency is not the default 0 MHz the frequency read...

Page 40: ...ENU menu and touching the HELP icon A discovery analysis automatically tries to determine a channel band s modulation type symbol rate and bandwidth resulting in an automatic configuration of the mete...

Page 41: ...ECTRUM ASI IN OUT and HD AUDIO DOLBY These options are included with every DSA 1491 3 26 IPTV CONFIGURATION The IPTV CONFIGURATION field provides two selections which are used to configure the TS Over...

Page 42: ...dual fields 3 26 2 CONFIG IP ADDRESS PORT The CONFIG IP ADDRESS PORT provides configuration of the IPTV multicast IP and UDP source SRC and destination DEST port entry To configure the TS Over IP LAN...

Page 43: ...AM Subscription Card and naming 3 27 DIAGNOSTIC TEST The DIAGNOSTIC listing in the CONFIGURATION MENU provides a self test of the meters internal circuits The circuits should all indicate OK if they a...

Page 44: ...rements SATELLITE PLAN The SATELLITE listing in the SATELITE PLAN menu provides a satellite tuning plan which includes a list of satellites The satellites are identified for selection by abbreviated n...

Page 45: ...asurement page and a constellation measurement page The remainder of this section describes the DSA 1491 s satellite measurements and measurement pages 4 21 Main Measurement Page aBER 1 x 10 8 ERR 001...

Page 46: ...ID Transport Stream or network Identification numbers 16 aBER Bit Error Ratio measurement after Viterbi error correction measurement 17 bBER Bit Error Ratio measurement before Viterbi error correction...

Page 47: ...smaller section of the full constellation diagram touch the selection box to the side or right of the ZOOM box Multiple touches increment the section view through all the quarter sections of the cons...

Page 48: ...491 User Manual Page 48 192 PER Packet Error Rate analysis PILOT Pilot on off indicator NOTE Measurements provided depend on the satellite signal type and inclusion of the test codes required for the...

Page 49: ...3 5 9 8 MPEG SERVICE LIST SAT The MPEG SERVICE LIST measurement page provides information regarding the MPEG transport stream and the selected video service program contained in the stream The top and...

Page 50: ...ottom of the display When viewing a full video display you may return to the previous measurement screen by touching the center of the screen 4 4 Satellite Measurement Popup Menu The satellite measure...

Page 51: ...ansmission To select different streams services touch the ISI field or rotate the large Control Knob to highlight the ISI row and press to Enter Rotate the Control Knob to see what services are availa...

Page 52: ...ates the level of the top line of the spectrum analyzer commonly called the reference power level 4 Marker Frequency The frequency represented by the location of the vertical red marker line on the sp...

Page 53: ...the selected band at the bottom center of the spectrum analyzer display DELTA MARKER Turns on or off a white marker which along with the existing red marker provide two adjustable frequency locations...

Page 54: ...emory for 20 captured spectrum analyzer screens which may be recalled and viewed on the screen HELP ICON Provides signal DISCOVERY to automatically determine a digital satellite transponders signal ty...

Page 55: ...T FINDER Automatically looks and finds 3 designated transponders of the target selected satellite to confirm that the dish is correctly aimed and the desired satellite is found When a transponders is...

Page 56: ...DSA 1491 User Manual Page 56 192...

Page 57: ...cting the path and monitoring the user s assigned frequency The test uses the spectrum analyzer display to show the satellite transponder signal received as the automatic test cycles through reception...

Page 58: ...nt to meter for IN LNB 1 Set the LNB 2 DiSEqC setting ABCD IN 2 DiSEqC B on the Sencore provided switch St to correspond to the switch input you want to meter for IN LNB2 Set the TYPE to VARIABLE to p...

Page 59: ...t values for metering the satellite signal SPECTRUM Provides DiSEqC motor control commands fields along with a spectrum analyzer view of the satellite signal in which to visual see reception START Tou...

Page 60: ...llowing provides a brief description of the selections and readouts in these fields Top Field Indications STOP The search is in progress touch this field to stop the search to exit or change transpond...

Page 61: ...g a spectrum analyzer view a preferred method by some installers 2 Touch the SAT icon on the HOME or start Menu of the DSA 1491 In the next menu SATELLITE PLAN SELECTION MENU touch the desired satelli...

Page 62: ...SAT icon highlighted If the SAT icon is not highlighted touch the SAT icon and from the SATELLITE PLAN SELECTION MENU after selecting the desired satellite touch the SPECIAL FUNCT icon at the right Th...

Page 63: ...PLAN SELECTION MENU touch the SPECIAL FUNCT icon at the right of the display Then touch the MULTI FREQ L BAND field which takes you directly to the test function The test function is highly automated...

Page 64: ...FUNCT icon at the right of the display Then touch the SAT POINTER field which takes you directly to the SAT POINTER function DiSEqC MOTOR EXIT SPECIAL FUNCTIONS DUAL LNB SAT SCR SAT FINDER BUZZ NOIS...

Page 65: ...uch the Sat Orbit field press the knob to select the field rotate the Control Knob to increment values in the field and set the orbit position of the satellite you are aiming for Push the Control Knob...

Page 66: ...Manual Page 66 192 Slant Range Distance in kilometers Polarization Tilt Polarization tilt setting in degrees Polar Axis Angle Polar axis angle setting in degrees Polar Offset Tilt Polar offset tilt an...

Page 67: ...log file by name for reviewing the test results MANUMEMORY Provides creation and editing of manually created transponder channel plans FILE MANAGER Provides selection of logger and satellite manual cr...

Page 68: ...l memory channel plan contains a mix of signal types This provides the user a time to change connections TERR DC RF Provides an on off switch for enabling DC voltage to the RF jack when measuring broa...

Page 69: ...ol Knob to increment through the available log files Press the RECALL field to view the file s measurement contents The DATALOGGER viewer shows the file name and point number in the upper left to iden...

Page 70: ...ield Move your finger over the arrow portion of the touch control knob to increment through available memory channels 3 Select a manual channel plan number of choice Press the START EDIT field to begi...

Page 71: ...EMORY MENU 2 In the PLAN field at the top of the configuration box touch the listing at the right side to highlight the file name Rotate the control knob to increment through the available memory plan...

Page 72: ...be changed to a more recognized or descriptive name as desired The following section summarizes how to rename or delete these files in the FILE MANAGER function To Rename a File 1 Navigate to the MEM...

Page 73: ...field to bring up the popup menu Touch the HELP icon to launch the help search The HELP FUNCTION screen informs you of the meter s progress in determining the type of digital signal within the satell...

Page 74: ...touch the OFF LAN USB field to increment to LAN or USB Press the large control knob to advance to the TSstreaming function TSstreaming LAN The individual services within the demodulated satellite sign...

Page 75: ...s the large control know to advance to the TSstreaming to USB function The following fields are included in the TSstreaming to USB menu File Name Provides entry to define the file name of the TS strea...

Page 76: ...n applied Note When the signal contains no NIT table the VISUALIZE NIT function cannot find or read the data needed to populate the screen A NIT table is common in a DVB formatted signal such as a sat...

Page 77: ...ections applicable to the charting The Menu includes the time interval setting elapsed from the left to right side of the chart TIME INTVL Time Interval of the graph shown on the display The displayed...

Page 78: ...DSA 1491 User Manual Page 78 192...

Page 79: ...standard or master TV channel plans in which to choose from For testing applications in North America the USABRO listing provides a suitable channel plan which includes all the off air TV channels fro...

Page 80: ...a channel plan as desired 5 21 Main Digital TV Measurement Page The main measurement page includes many fields The following section describes the fields of a digital channel measurement as numbered i...

Page 81: ...menu with related selections and a HELP icon for determining the channel signal modulation symbol rate and frequency 14 Network Name NETW Indicates the network name or identification 15 TSID or NID T...

Page 82: ...o increment to each measurement page The 1st page provides a level measurement and provides video and audio monitoring The 2nd page provides level A V ratio and C N ratio measurements 5 23 FM Radio Tu...

Page 83: ...garding the MPEG transport stream and the selected video service program contained in the stream The top and bottom fields are the same as listed and described in the Main Measurement page in section...

Page 84: ...constellation analysis provides a visual indication of the detected RF symbol accuracy The constellation diagram changes its appearance to match the modulation type and the number of symbols in the R...

Page 85: ...econds for review the bottom section is pushed to the bottom of the display When viewing a full video display you may return to the previous measurement screen by touching the center of the screen 5 4...

Page 86: ...tination IP address in which to stream the selected services highlighted by the boxes in the center service selection area Rotate the large knob to highlight the IP DEST field and push the large contr...

Page 87: ...nu File Name Provides entry to define the file name of the TS stream capture to the USB memory stick The file is a ts file Size Sets the size of the ts stream capture or record file on the USB memory...

Page 88: ...Information Table To view the NIT information touch the MENU field and touch the VISUALIZE NIT listing Press the large Control Knob to enter or initiate the VISUALIZE NIT feature The VISUALIZE NIT pa...

Page 89: ...ing of the satellite transponder being received Bottom Chart The bottom chart provides charted values of the satellite transponder s measured power red and PER blue When in the Single Channel Monitori...

Page 90: ...ral analysis of both analog and digital analog TV signals To select the spectrum analyzer function from the HOME menu with the TV icon highlighted touch the SPEC icon You may also access the spectrum...

Page 91: ...r may be moved automatically by touching points in the display or by highlighting the MRK FRQ field and rotating the touch control knob 5 Channel The selected TV broadcast channel being analyzed Selec...

Page 92: ...the center bottom of the spectrum analyzer display is added a Delta Marker Power Delta MRK P measurement which indicates the level difference between the red and white frequency locations PICTURE Chan...

Page 93: ...he 2nd red line to widen the bandwidth markers with the control knob To select the MARKER BANDWITH feature from the Spectrum Analyzer screen touch the MENU field In the popup menu touch the MRK BW fie...

Page 94: ...r the MRK FR Header The Delta Marker power or level is indicated in the bottom center measurement field The Delta Triangle Marker may be modified to provide a carrier to noise C N ratio measurement In...

Page 95: ...h Provides a buzzer to indicate the relative improvement or degradation of a TV digital channel Noise Margin Provides an active Noise Margin performance graph showing increases or decreases in signal...

Page 96: ...easurements in the BUZZ NOISE MAR GR function include the following NOISE MARG The Current Noise Margin measurement MAX N MARG Maximum or best Noise Margin measurement since the test began signal lock...

Page 97: ...which takes you directly to the test function The test function is highly automated with three preselected test frequencies Connect the cable from the meter to the reference test point Touch the CALI...

Page 98: ...previously scanned and stored log file by name for reviewing the test results MANUMEMORY Provides creation and editing of manually created transponder channel plans FILE MANAGER Provides selection of...

Page 99: ...d channel prior to adding it to the channel plan POWER This defines the minimum signal level of an digital channel during the channel scan required to consider the digital signal a valid channel DISCO...

Page 100: ...ed with the log file data STOP GO Provides for stopping the log measurements when changing from a satellite transponder to a cable channel or broadcast channel when the manual memory channel plan cont...

Page 101: ...DSA 1491 User Manual Page 101 192 LOGGER FUNCTION screen the transponder currently being tested is highlighted A picture indication shows if the transponder was digital or analog...

Page 102: ...Knob to increment through the available log files Press the RECALL field to view the file s measurement contents The DATALOGGER viewer shows the file name and point number in the upper left to identif...

Page 103: ...ature permits edits or changes to listed channels within a previously created manual MANU channel plan The following sections provide information on creating and editing a MANU channel plan To Manuall...

Page 104: ...characteristic to add a listing below the currently highlighted field DELETE ITEM Deletes the highlighted listing from the selected plan RETURN Returns to previous menu To Edit an Existing Plan 1 To m...

Page 105: ...DSA 1491 User Manual Page 105 192 Press BACK to return to the previous menu without making changes...

Page 106: ...the AUTOMEMORY feature or with a MANUMEMORY feature of the meter These files are typically named AUTO 1 AUTO 2 etc or MANU 1 MAN 2 etc by the meter However these file names can be changed to a more r...

Page 107: ...ital signal or detecting an analog signal within the channel The boxes on the right in the center list the modulation frequency and symbol rates as discovered by the meter When the search is completed...

Page 108: ...ured in a specific channel within the channel plan The SPAN value determines the number of channels or bars displayed in the bar chart A yellow bar represents a digital signal channel while a solid bl...

Page 109: ...e red cursor or marker on the display Highlight the CHAN field and use the UP and DOWN arrow pushbuttons to move the marker to the desired channel or bar 5 MRK FREQ Marker Frequency The Bar Scan displ...

Page 110: ...hoose from For testing applications in North America the USACAB listing provides a suitable channel plan which includes all the CATV channels from 2 to 158 AUTOMEMORYtv This selection provides a list...

Page 111: ...s for digital cable signals including a main measurement page and a constellation measurement page The remainder of this section describes the DSA 1491 s CATV measurements and measurement pages The fo...

Page 112: ...ected video service within the channel 8 VPID APID Video and Audio Program Identifier values for the selected video service contained in MPEG 9 ANNEX The standard signal type or reference J83B for CAT...

Page 113: ...You may change the modulation type of a selected channel in the main measurement page by touching the MODULAT header Select the AN TV listing in the drop down selection box by touching the AN TV listi...

Page 114: ...n of the detected RF symbol accuracy The constellation diagram changes its appearance to match the number of symbols in the QAM RF signal For example a QAM 64 signal has 64 squares while a QAM256 sign...

Page 115: ...DSA 1491 User Manual Page 115 192...

Page 116: ...ment page provides information regarding the MPEG transport stream and the selected video service program contained in the stream The top and bottom fields are the same as listed and described in the...

Page 117: ...a rate After a few seconds for review the bottom section is pushed to the bottom of the display When viewing a full video display you may return to the previous measurement screen by touching the cent...

Page 118: ...ated to the LAN IP to steam to a destination IP IP DEST Provides entry of the destination IP address in which to stream the selected services highlighted by the boxes in the center service selection a...

Page 119: ...nu File Name Provides entry to define the file name of the TS stream capture to the USB memory stick The file is a ts file Size Sets the size of the ts stream capture or record file on the USB memory...

Page 120: ...k Information Table To view the NIT information touch the MENU field and touch the VISUALIZE NIT listing Press the large Control Knob to enter or initiate the VISUALIZE NIT feature The VISUALIZE NIT p...

Page 121: ...ing of the satellite transponder being received Bottom Chart The bottom chart provides charted values of the satellite transponder s measured power red and PER blue When in the Single Channel Monitori...

Page 122: ...analyzer function from the HOME menu with the TV icon highlighted touch the SPEC icon You may also access the spectrum analyzer from any of the other measurement pages by pushing the SPEC pushbutton a...

Page 123: ...be listed 6 Span The frequency span of the spectrum analyzer A selectable field with 50MHz 100MHz 200MHz 500MHz and FULL selections 7 Avg Level Bar graph indicating the average channel digital level N...

Page 124: ...s a convenient selection output DC voltage to the RF input jack to power an inline amplifier preamplifier or down converter SAVE RECALL Provides memory for 20 captured spectrum analyzer screens which...

Page 125: ...cy field MRK FR is not selectable This Marker Bandwidth MRK BW measurement anchors the reference marker MRK FR so it may not be selected or moved The test produces two bandwidth markers red horizontal...

Page 126: ...m Elevated leakage levels indicate a shielding problem which should be corrected INGRESS Shows the potential ingress interference problems in the upstream cable spectrum by providing a spectrum analys...

Page 127: ...e compensation for the antenna antenna factors and distance Area The Area setting adapts the leakage test to standards established in Europe and USA Set to USA for leakage testing in North America Thi...

Page 128: ...V Special Functions Menu Touch the LEAKGE listing or field to advance to the Leakage Setup Menu After appropriate setup selections touch the START field at the bottom to begin measurements To change t...

Page 129: ...ion is displayed at the display bottom row MRK Level with the relevant measurement unit A horizontal dotted line shows the real time signal level value at the current marker position current frequency...

Page 130: ...DSA 1491 User Manual Page 130 192 NOTE You may use the MENU Popup Menu to gain access and adjust the spectrum analyzer s ingress start and stop frequencies...

Page 131: ...Measurements in the BUZZ NOISE MAR GR function include the following NOISE MARG The Current Noise Margin measurement MAX N MARG Maximum or best Noise Margin measurement since the test began signal loc...

Page 132: ...ation and editing of manually created transponder channel plans FILE MANAGER Provides selection of logger and satellite manual created channel plans for renaming or deleting Touch a listing in the MEM...

Page 133: ...igital channel during the channel scan required to consider the digital signal a valid channel DISCOVERY This defines the modulation signal types that the meter looks for during the channel scan This...

Page 134: ...e individual channels will be scanned and tested This field may be highlighted and a channel plan selected Data File This is the file name where the scanned measurement data is to be stored Point This...

Page 135: ...ss of the scan and summarizes the performance of each transponder tested The transponder is color coded in the report indicating a pass marginal or fail status Near the bottom of the LOGGER FUNCTION s...

Page 136: ...Knob to increment through the available log files Press the RECALL field to view the file s measurement contents The DATALOGGER viewer shows the file name and point number in the upper left to identi...

Page 137: ...eature permits edits or changes to listed channels within a previously created manual MANU channel plan The following sections provide information on creating and editing a MANU channel plan To Manual...

Page 138: ...below the currently highlighted field DELETE ITEM Deletes the highlighted listing from the selected plan EXIT Returns to previous menu To Edit an Existing Plan 1 To make changes or additions to an ex...

Page 139: ...DSA 1491 User Manual Page 139 192...

Page 140: ...TOMEMORY feature or with a MANUMEMORY feature of the meter These are channel plan files and are typically named AUTO 1 AUTO 2 etc or MANU 1 MAN 2 etc by the meter However these file names can be chang...

Page 141: ...To initiate a HELP function simply locate a HELP icon and touch it The HELP icon is located within the Spectrum Analyzer s popup menu When in the Spectrum analyzer touch the MENU field at the bottom...

Page 142: ...ith the TV icon highlighted The following sections provide more information on the Bar Scan measurement and fields on the Bar Scan display screen MRK P 9 dBmV MENU 0 dB 10 dB 20 dB 30 dB 40 dB 50 dB 6...

Page 143: ...ng the value moves the red cursor or marker on the display Highlight the CHAN field and use the UP and DOWN arrow pushbuttons to move the marker to the desired channel or bar 5 MRK FREQ Marker Frequen...

Page 144: ...the top horizontal bar of the bar graph This field may be changed by red highlighting the field and pressing the UP and DOWN arrow pushbuttons 3 4 Selecting Tilt Channels Pilot 1 Pilot 2 The CH1 and C...

Page 145: ...HDMI monitor the display screen on the DSA 1491 goes blank It is not possible to show simultaneous video on an external HDMI display and on the DSA 1491 simultaneously Vpid 2368 Apid 2369 SERV ID 9 S...

Page 146: ...switches off the video measurement screen on the meter transferring all video to the external HDMI or A V monitor If you mistakenly press the YES selection without an external monitor and the meter s...

Page 147: ...rmation with a YES or NO box to select Touch the YES box on the display if you want to continue Touch NO on the display if you want to return to the Quick View menu Touching YES switches off the video...

Page 148: ...ASI OUTPUT Demodulated TV RF to ASI OUTPUT The DSA 1491 offers a demodulated ASI output containing the MPEG transport stream of the selected satellite transponder or TV channel The ASI output is the...

Page 149: ...Menu Touch the ASI IN field and touch the highlighted portion at the right of the field so it indicates ON When an ASI signal is being received the DSA1491 automatically switches to the ASI input sho...

Page 150: ...t Identifier Number and APID Audio Packet Identifier Number of the selected video service program 3 Service ID The video service program identification number 4 Symbol Rate The RF symbol rate of the c...

Page 151: ...ng with associated MPEG header video and audio information This information is located along the bottom of the display and includes the video resolution aspect ratio and MPEG compression level The aud...

Page 152: ...from several available inputs To select an input touch the ASI IP icon to select the ASI IP Analyzer Touch the top INPUT field to produce a dropdown list of selectable inputs Touch the desired input t...

Page 153: ...t of the display screen Touch again to increment to the next page and then back to page 1 TS Bitrate Upper Left center This field provides an overall bitrate analysis of the stream and indicates the s...

Page 154: ...ot available in the stream Grey The test does not apply and is not being performed To reset the analysis and error counters increment the page selection to reselect page 2 Priority 1 analysis is indic...

Page 155: ...ues is outside the 100 mS without the discontinuity indicator set 2 4 PCR accuracy error On selected Service The frequency accuracy of the PCR exceeds 500 ns 2 5 PTS error The Presentation Time Stamp...

Page 156: ...of the display Analysis information available is shown in the center field When the listing at the left is not illuminated the table is not available for selection in the stream Below is information p...

Page 157: ...DSA 1491 User Manual Page 157 192...

Page 158: ...ars to the right and includes the selectable fields CONFIG LAN IPTV and CONFIG IP ADDRESS PORT The CONFIG LAN IPTV selection provides a menu used to configure the TS Over IP LAN port of the DSA 1491 f...

Page 159: ...n of this manual IP De encapsulates the transport stream from the IP TV input and routes the stream to the ASI IP Analyzer Note The IP TV functionality is an option on the DSA 1491 A license is requir...

Page 160: ...IP packets were lost or missing Corrected pckt row Corrected packets in row Indicates corrected FEC packets in the rows of FEC coding Corrected pckt col Corrected packets in column Indicates corrected...

Page 161: ...esent and if the link loss is appropriate A measurement at several popular light wavelengths is provided Connect the optical cable to the meter at the top OPTICAL IN connector using one of the availab...

Page 162: ...s supplied with several fiber cable adapters The adapters provide connection from common fiber cable connectors to the optical power meter input jack of the meter The following section illustrates and...

Page 163: ...apturing Screen Shots to a USB Memory Stick Configure instrument measurement screen to show measurements as desired Insert a USB memory stick into the USB A port at the top center of the meter Press t...

Page 164: ...splayed To perform GPS measurements connect a GPS antenna to the GPS IN jack On the Home Menu touch the GPS icon The following GPS signal quality and positioning Indications are provided Signal Qualit...

Page 165: ...s of a selected RF channel The remote application permits channel selection and control 13 1 Connecting The REMOTE CONTROL application requires establishing a meter connection to a local network via t...

Page 166: ...In some networks it may be simpler to establish connection by using the network s DHCP Select the IP CONFIG field and touch the Static DHCP field at the right until it reads DHCP Plug in the network c...

Page 167: ...er and perform monitoring and logging functions Username The username is the model of the unit with an underscore character preceding it and following it Look at the Name row of the Meter Info above a...

Page 168: ...nnel plans 13 4 Settings Monitor The Settings Monitor section provides selection and control of the meter to establish the channel and threshold criteria for the Monitor tests including the Measure Sp...

Page 169: ...ng Measure The Measure tab provides measurement data of the selected channel The Channel Panel section indicates the channel information including the mode symbol rate and center channel frequency The...

Page 170: ...ion permits entry or changes to the Spectrum Analyzer s span reference Level and center frequency Select from the drop down list or click on the frequency field and enter the center frequency Click on...

Page 171: ...Settings Logger section provides settings which define the channels and channel good bad thresholds for the Logger function The Logger Measure function performs measurements of each of the channels de...

Page 172: ...rements are good or bad and to establish when the signal monitor measurement show good green or bad red Enter the minimum signal level with the drop down arrow in the Min Level dBmV field Enter the mi...

Page 173: ...Application Channel Panel Indicates channel mode symbol rate and frequency as setup in the Settings Logger section Thresholds Panel Indicates channel good bad threshold levels for the measurements an...

Page 174: ...or each channel listed in the Logger Settings and captured by the Logger Measure function For data Logger Files to exist in the Loggers the Logger function would need to have been active or started pr...

Page 175: ...DSA 1491 User Manual Page 175 192...

Page 176: ...on ISI Selection DVB S2 Multistream From 1 to 10 ISSY synchronization DVB S2 Multi stream Automatic detection and reading Pilot DVB S2 On off Automatic detection reading FEC Frame DVB S2 Normal short...

Page 177: ...BER before 1E 09 to 1E 02 aBER after 1E 09 to 0 Constellation Constellation diagram with standard specific grid and zoom DIGITAL CABLE Standard DVB C ETSI EN 300 429 Input RF 1 75 F connector Optic In...

Page 178: ...ace IP protocol UNICAST MULTICAST RTP UDP WITH 2 dimensional FEC IGMP v2 Destination MAC Address MAC is the host receiver in unicast in multicast it is the MAC multicast defined by the Destination IP...

Page 179: ...188 204 bytes Transport Stream content MPEG 2 and MPEG 4 HD Services TR 101 290 v1 2 1 Analysis 1st Priority monitoring 1 1 Sync loss 1 2 Sync byte 1 3 1 PAT Int 1 3 2 PAT PID 1 3 3 PAT scr 1 4 a Cont...

Page 180: ...Selectable color themes green blue grey brown Operation Dual command TOUCH and or MECHANICAL Touch Screen Enable Disable via Configuration Menu Control Pushbuttons 24 step encoder 6 button mechanical...

Page 181: ...are per the FCC designations Sub Band VHF Cable TV Channels 5 50 Mhz Low High VHF EIA NCTA TV Channels Channel FCC Digital FCC Ana HRC IRC VHF UHF 1 72 0036 73 2500 2 57 00 55 25 54 0027 55 2500 57 00...

Page 182: ...75 151 2500 503 00 20 159 00 157 2500 156 0078 157 2500 509 00 21 165 00 163 2500 162 0081 163 2500 515 00 22 171 00 169 2500 168 0084 169 2500 521 00 Aeronautical Offset Freq Allocation Super band Ca...

Page 183: ...25 635 00 42 333 00 331 2750 25k 330 0165 331 2750 25k 641 00 43 339 00 337 2625 336 0168 337 2625 647 00 44 345 00 343 2625 342 0171 343 2625 653 00 45 351 00 349 2625 348 0174 349 2625 659 00 46 357...

Page 184: ...7 2500 797 00 69 495 00 493 25 492 0246 493 2500 803 00 70 501 00 499 25 498 0249 499 2500 71 507 00 505 25 504 0252 505 2500 72 513 00 511 25 510 0255 511 2500 73 519 00 517 25 516 0258 517 2500 74 5...

Page 185: ...on FM Mid band Cable Channels Channel FCC Digital FCC HRC IRC VHF UHF 95 93 00 91 25 90 0045 91 2500 96 99 00 97 25 96 0048 97 2500 97 105 00 103 25 102 0051 103 2500 98 111 00 109 2750 25k 108 0054 1...

Page 186: ...762 0381 763 25 120 771 00 769 25 768 0384 769 25 121 777 00 775 25 774 0387 775 25 122 783 00 781 25 780 0390 781 25 123 789 00 787 25 786 0393 787 25 124 795 00 793 25 792 0396 793 25 125 801 00 799...

Page 187: ...0453 907 25 144 915 00 913 25 912 0456 913 25 145 921 00 919 25 918 0459 919 25 146 927 00 925 25 924 0462 925 25 147 933 00 931 25 930 0465 931 25 148 939 00 937 25 936 0468 937 25 149 945 00 943 25...

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Page 189: ...cratching and the protective film wear Use of the supply stylus is advisable in situations where dirty hands and or gloves are unavoidable The meter s larger touch screen may be damaged by blunt force...

Page 190: ...DSA 1491 User Manual Page 190 192...

Page 191: ...ble please follow the following procedure steps 1 thru 7 1 Use a corrugated shipping container that has a sufficient strength 10 20lbs 2 Pack the unit inside a plastic bag to protect it 3 Cushion the...

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