Kathrein MSK 125 User Manual Page 1

Operating ManualAntenna Measuring SystemMSK 125

10OPERATING AND DISPLAY ELEMENTSTFT colour displayTV picture/settingsSource selectionOn/off buttonIndication of operation modeInput blockMeasurementsL

11OVERVIEW OF KEYPAD COMMANDSButton Brief description of the functionSwitching the device on/offSourcesSelection of SAT operation and switch between a

12OPERATING AND DISPLAY ELEMENTSCursor blockReduce current values (frequency, channel, etc.)Increase current values (frequency, channel, etc.)Selectio

13CONNECTIONSFRONT VIEWRF input USB port SD memory cardCommon InterfaceSCART (audio/video)SIDE VIEWFanEar phones RS 232 Loudspeakers Battery fuse DC s

14CONNECTIONSRF INPUT SOCKETHere the reception signal is delivered from the antenna system or cable network (coaxial F socket with BNC adapter).The re

15GETTING STARTEDSWITCH ONWhen you position the device please ensure that there is suffi cient ventilation. To avoid overheating, the openings for the

16GETTING STARTEDIn the next menu press the or button to defi ne the measurement unit the level is to be indicated. Press to keep the current se

17GETTING STARTEDBATTERY OPERATIONBefore operating the device for the fi rst time remove the T 8.0 A fuse from the packaging and place it in the fuse h

18SATANALOGUE SATELLITE RECEPTIONIn SAT mode the MSK 125 can be adjusted to “Analogue” and “DVB S(2)” reception types.SAT ANALOGUE/DVB-S(2) SWITCHPres

19SATLNB VOLTAGE AND 22 KHZ CHANGE-OVERThe LNB supply voltage is available at the RF socket. To turn on or change the LNB voltage, press the button.T

2FOREWORD/IMPORTANT INSTRUCTIONSDear customer,many thanks for choosing the Kathrein MSK 125 measuring instrument. Please read the following instructio

20“SAT ANALOGUE” LEVEL MEASUREMENTAfter you have set a frequency the level is measured automatically and indicated on the LC display in dBµV or dBmV (

21SATBUTTON Frequency in MHz BandwidthSELECT SOUND CARRIER[1] 5.80 wide Mono[2] 6.50 wide Mono[3] 6.65 wide Mono[4] 7.02 narrow[5] 7.20 narrow[6] 7.38

22ExampleSwitching on the 22 kHz signalPress the buttonLC display:• LNB voltage: 14 V• Current consumption: 150 mA• 22 kHz signal switched onPre

23NoteSATLC display:• Frequency: 1236.0 MHz• Operating mode: SAT• Level: 86.5 dBµV (D = digital)Complete your frequency entry by pressing the butt

24SATCommand overview for LNB voltage Call the LNB menu... Select LNB voltage or Change LNB voltage in 0.1 V intervals 22 kHz signal on/

25“SAT DVB-S(2)” LEVEL MEASUREMENTLC display during DVB-S(2) level measurement:For how to switch from analogue to digital level measurement please see

26SATCOMMAND OVERVIEW FOR DISEQCTMIf a DiSEqCTM matrix is activated via DiSEqCTM command, it must fi rst be ensured that the analogue LNB control volt

27 or Cursor commands for code words: “Framing”, “Address”, “Command” and “Data” Delete the entire command string to the cursor position

28COMMAND OVERVIEW FOR ADDRESS BYTEHex Byte Description00 All devices10 Every LNB, matrix or SMATV11 LNB12 LNB with loop-through14 Matrix (switcher)15

29SATCOMMAND OVERVIEW FOR COMMAND BYTEThe MSK 125 can send commands based on DiSEqCTM1.0 but cannot receive them. All commands requiring DiSEqCTM2.0 (

3CONTENTSFOREWORD/IMPORTANT INSTRUCTIONS ... 2CONTENTS ...

30SAT39 Write N1 Set port group 1 13A Write N2 Expansion option 13B Write N3 Expansion option 140 Read A0 Read analogue value A0 -41 Read A1 Read anal

31SATSIMPLE DISEQCTM, TONE BURSTThe Simple Tone Burst DiSEqCTM procedure is a simplifi ed form of the DiSEqCTM control. In this Simple DiSEqCTM two swi

32SATDVB-S(2) MER, BER AND OFFSET MEASUREMENTThe modulation error rate (MER), the bit error rate (BER) and the carrier frequency offset (LNB offset) c

33SATLOCATING SATELLITESThe function allows you to search for satellites whose transponder frequencies are unknown. The frequency range from 1000 to

34SATFINDING INDIVIDUAL RECEPTION FREQUENCIESThe function allows you to adjust the antenna to the maximum reception signal. The display indicates th

35TV MEASUREMENTANALOGUE TV CABLE RECEPTIONIn CABLE mode the MSK 125 can be set to the “Analogue” and “DVB-C” reception types.ANALOGUE CABLE/DVB C SWI

36CHANNEL DISPLAY AND ENTRYTo measure the level of a reception signal, you must fi rst enter the desired channel.The following channels can be set:•

37COMMAND OVERVIEW FOR TV FREQUENCY ENTRY Switch to desired TV reception Channel/frequency switch... Enter frequency Confi rm entry and Ch

38TV MEASUREMENTNoteLEVEL OVERFLOW AND UNDERFLOWAt a level < 30 dBµV the LC display indicates an underfl ow.LC display:• Channel: CH 05• Operating m

39ExampleTo measure audio carrier level spacing and level of TT1:Press ,now press and keep the button pressed.The LC display indicates the following

4CONTENTSANALOGUE CABLE/DVB C SWITCH ... 35HF STANDARD SWITCH -

40DIGITAL TV CABLE RECEPTIONIn CABLE mode the MSK 125 can be set to the “Analogue” and “DVB-C” reception types.ANALOGUE CABLE/DVB C SWITCHPress once

41CHANNEL DISPLAY AND ENTRYTo measure the level of a reception signal, you must fi rst enter the desired channel.The following channels can be set:•

42COMMAND OVERVIEW FOR TV FREQUENCY ENTRY Switch to desired TV reception Channel/frequency switch... Enter frequency Confi rm entry and Ch

43TV MEASUREMENTLEVEL MEASUREMENT OF “DVB-C”/“DVB-T/H” SIGNALSANALOGUE CABLE/DVB C SWITCH Press once = Analogue cable TV Press again = DVB-C• Ch

44TV MEASUREMENTMPEG IMAGE REPRESENTATION IN DVB-CIf you select DVB measurement by pressing , the TFT screen displays the list of programmes that can

45HF STANDARD SWITCH - TERRESTRIAL Call up the standard switch menu. ... Select standard After that the DEMOD menu is exited automatically. Pr

46TV MEASUREMENTCHANNEL DISPLAY AND ENTRYTo measure the level of a reception signal, you must fi rst enter the desired channel.The following channels

47TV MEASUREMENTCOMMAND OVERVIEW FOR TV FREQUENCY ENTRY Channel/frequency switch... Enter frequency Confi rm entry and Change frequency in

48HF STANDARD SWITCH - TERRESTRIAL Call up the standard switch menu. ... Select standard After that the Demod menu is exited automatically. Pr

49TV MEASUREMENTCHANNEL DISPLAY AND ENTRYTo measure the level of a reception signal, you must fi rst enter the desired channel.The following channels

5LEVEL MEASUREMENT ... 54LEVEL OVERFLOW AND UNDE

50TV MEASUREMENTCOMMAND OVERVIEW FOR TV FREQUENCY ENTRY Channel/frequency switch... Enter frequency Confi rm entry and Change frequency in

51TV MEASUREMENTLC display for DVB-C signals:• MER modulation error rate: 32.0 dB• Modulation = 64 QAM• BER bit error rate: 6.4e-8• Standard = DVB

52TV MEASUREMENTFINDING INDIVIDUAL RECEPTION FREQUENCIESThe function allows you to adjust the antenna to the maximum reception signal. The display i

53NICAM AUDIO BIT ERROR RATE MEASUREMENTFor better evaluation of the Nicam signal audio quality the bit error rate (BER) can be measured.ExampleTo cal

54FM MEASUREMENTFM SWITCHPress the button.FREQUENCY DISPLAY AND ENTRYTo measure the level of an FM signal, you must fi rst enter the desired frequenc

55FM MEASUREMENTLEVEL OVERFLOW AND UNDERFLOWAt a level < 30 dBµV the display indicates an underfl ow.LC display:• Frequency: 104.8 MHz• Operating

56SPECTRUM MEASUREMENTFor evaluation of a receiver the frequency spectrum in the “Satellite”, “Cable”, “Terrestrial” and “FM” modes can be displayed o

57SPECTRUM MEASUREMENT FULL SPAN = entire TV range (48 ... 858 MHz) VHF (48 ... 467 MHz) UHF (467 ... 858 MHz)

58SPECTRUM MEASUREMENT NARROW (197 ... 222 MHz) ANALOGUE NARROW (381 ... 406 MHz) DIGITALFM SPECTRUMSelect and measure the “FM spectrum” as describe

59STORING DEVICE SETTINGSSTORING DEVICE SETTINGSFirst select the measuring job! Indicates the stored settings on the TFT display and opens the entry

6SAFETY INSTRUCTIONSThis manual was designed for persons with a basic knowledge of electronics. Users who have already worked with similar measuring d

60STORING MEASUREMENT RESULTSSTORING MEASUREMENT RESULTS IN THE DEVICE MEMORYFirst select the measuring job and perform the measurement! The Memory E

61STORING MEASUREMENT RESULTSTFT displayDELETING MEASUREMENT RESULTS FROM THE DEVICE MEMORY The Memory Explorer command displays the stored measuring

62STORING MEASUREMENT RESULTSYou can either transfer the measurement results on the SD card to a PC via USB connection or read, manage and print out t

63DATA LOGGERThe Data Logger setting allows you to execute the stored measurement device settings in a row and store the corresponding measurement res

64 ... Use the button and the two-digit setting storage number to select the stop line where automatic measuring is to stop.ENTERING THE STOP L

65STORING THE DATA LOGGER MEASUREMENT RESULTS ON THE SD CARDDATA LOGGERSee: Storing measurement results on the SD card.Example Call up Data Logge

66MAINTENANCEThe device maintenance is basically limited to outside cleaning.DEVICE CALIBRATIONThe caliber interval depends on the use and load and sh

67CUSTOMER SERVICEFor service or to order replacement parts please contact:ESC GmbHBahnhofstraße 10883224 Grassau, GermanyTel.: +49 8641 9545-0Fax: +4

68FEATURES• Level measurement of analogue and digital TV signals (TV, Sat, FM, DVB-S(2), DVB-C, DVB-T, DVB-H (2k, 8k mode))• Image representation of

69TECHNICAL DATAType MSK 125Order no. 21710022RF component Frequency range MHzSat: 920 ... 2150,TV: 47 ... 862, FM: 87 ... 108Frequency tuning (st

7FUNCTIONALITYThe MSK 125 is a mobile multi-purpose measuring device intended for analogue TV and Satellite, FM radio and for DVB-C, DVB-S(2) and DVB-

70Level measuring component Measuring range dBµV 30 ... 120Measurement accuracy dB ± 2Measurement bandwidthSAT: 6 MHzSAT-DVB: 6 MHzTV: 250 kHzTV-DVB:

71TECHNICAL APPENDIXSIGNAL-TO-NOISE RATIOTo determine the carrier-to-noise-ratio (C/N) for analogue transponders, the following values must be known:•

72TECHNICAL APPENDIXDISEQCTM COMMANDS FOR KATHREIN MATRICESCOMMAND SET FOR KATHREIN MATRICESRangePOS. A (satellite 1)Low band High bandVert. Horiz. Ve

73TECHNICAL APPENDIXCHANNEL TABLESCHANNEL UND FREQUENCY TABLE, STANDARD B/G (FREQUENCY IN MHZ)VHF-CCIR UHF-CCIR UHF-CCIRPilot frequencyE2E3E4E5E6E7E8E

74TECHNICAL APPENDIXCHANNEL UND FREQUENCY TABLE, STANDARD L (FREQUENCY IN MHZ)VHF UHF UHF*LB*LC*LC1L1L2L3L4L5L6K14K15K16K17K18K19010203040506070809101

75TECHNICAL APPENDIXCHANNEL UND FREQUENCY TABLE, D/K STANDARD (FREQUENCY IN MHZ)VHF UHF UHFR-IR-IIR-IIIR-IVR-VR-VIR-VIIR-R-IXR-XR-XIR-XII0102030405060

76TECHNICAL APPENDIXCHANNEL UND FREQUENCY TABLE, I STANDARD (FREQUENCY IN MHZ)VHF UHF UHFI AI BI CI DI EI FI GI HI J0102030405060708091011121314151617

77CALCULATION OF SAT IF FREQUENCY USING THE MSK 125This is done as follows:IF = reception frequency - oscillation frequencyThe oscillation frequency i

78NOTES

79NOTES

8FUNCTIONALITYFunctionOperating modeSAT analogueOperating modeTV analogueOperating modeFM analogueOperating modeDVB-S/S2Operating modeDVB-COperating m

Internet: http://www.kathrein.deKATHREIN-Werke KG • Anton-Kathrein-Straße 1 - 3 P.O. Box 100 444 • 83004 Rosenheim GERMANY936.3474/A/0409/ZWT - Techni

9OPERATING AND DISPLAY ELEMENTSMeasured values and settings are shown on the LC display.LC DISPLAYBased on operating mode and function the LC display