Kathrein MSK 25 инструкция обслуживания

Instruction Manual MSK 25 Satellite/TV/FM Test Receiver analogue/digital[...]

Preface 2 Preface Dear customer, The KATHREIN-Werke KG has done its utmost to guarantee the correctness and completeness of this manual. However, no liability can be assumed for any potential errors in this manual and any damages thereby resulting. This manual may not be copied or else be duplicated, neither as a whole, nor in extracts, without the[...]

Contents 3 Contents Preface ........................................................................................................................ ...................................... 2 Contents ....................................................................................................................... ...............................[...]

Contents 4 MPEG Picture Representation (option) in DVB-C or D VB-T (opt ion) .......................................................... 40 FM measu rement ................................................................................................................. .......................... 41 Frequency Indication and Frequency Entry ..........[...]

General Information 5 General Information This user manual has been compiled for persons with some electrical engineering ability and knowledge. Us ers who have already operated similar measuring instruments can obtain the necessary commands for each operating step from the overview. In addition, the following examples will help you under stand eac[...]

Functionality The MSK 25 has been conceived as a portable test receiver for TV, SAT and FM radio measurements, as well as for DVB-C, DVB-S and DVB-T in both, battery operation and mains operati on. The built-in lead battery (3.4 Ah) and a wall power supply with a built-in charger, suitable for 230 VAC, are included in delivery. Controlling and scan[...]

Overview of Functions 7 Overv iew of Functions Function Analogue SAT mode Analogue TV mode Analogue FM mode DVB-S mode DVB-C mode Option DVB-T mode Mains operation and battery operation * * * * * * Level measurement by frequency setting * * * * * * Level measurement by channel setting * * * Level-dependent acoustic signal * * * * * * Spectrum displ[...]

8 LNB 0/5 - 20 V[...]

Technical Data 9 Technical Data Power supply Mains operation 230 VAC, 50/60 Hz Battery operation Lead Battery 12 V/3.4 Ah Dimensions Width 260 mm, Height 90 (120) mm, Depth 165 mm incl. accessories (plus case) Weight ca. 4.5 kg (incl. case ) Safety standards CE mark Protection class II VDE EN 61010 Display TFT screen, LCD alpha numeric, 2x16 charac[...]

Technical Data 10 TV B/G standard TT1 = 5.5 MHz, TT2 = 5.74 MHz D/K standard TT1 = 6.5 MHz, TT2 = 6.26 MHz I standard TT1 = 6.0 MHz M/N standard TT1 = 4.5 MHz, TT2 = 4.72 MHz M1 standard TT1 = 4.5 MHz L standard AM 6.5 MHz, Nicam = 5.85 MHz B/G standard Nicam = 5.85 MHz I standard Nicam = 6.552 MHz FM FM audio processing 48 MHz...858 MHz Sound carr[...]

Control Elements and Indicators 11 Control Elements and Indicators Control Elements The following is displayed on the two-row 16 digit LC display, depending on the mode: • the channel set, • the frequency set, • the function called up, • the mode, • the measured level • the measured value TFT Colour Screen The colour screen has a diagon[...]

Short Cut Overview 12 Short Cut Overv iew Key Brief description of the various functions SA T/DVB-S TV/DVB-C/*DVB-T FM SAT/TV Change-over to TV reception Change-over SAT reception Change-over to TV reception - Diminish current values + Elevate current values 0-9 Numeric character entry ./S Decimal point for numeric character entry • Decimal point[...]

Connections 13 Connections RF Input Socket The received signal of the antenna or of the cable network is fed in here (BNC coaxial socket). The remote feeding voltage (for LNB) is adjustable from 5 V DC to 20 V DC and can be switched off. When the LNB voltage is switched on, the LED next to the RF input socket flashes. Make sure that there are • n[...]

Commissioning 14 Commissioning Switching-Up • Connect the instrument to the mains with the wall power supply. • Turn the on/off switch to the right. • Adjust the desired volume. The LC display will then indicate the particular software version for appr. 1 second. Thereafter the LC display will indicate the loading capacity of the battery for [...]

Commissioning 15 Setup-Menu The basic setting (status of the MSK 25 after switching it on) can be set in the Setup menu. Factory Setting on Delivery Parameter Setting POWER ON TV LNB DC OFF LEVEL dBµV Low Level Mute ON Setup Menu Setting Setup Menu Call-Up Press [2ndF] and [SETUP]. The particular mode (TV, SAT, FM) is selected and taken-over by pr[...]

Commissioning 16 Mains Operation and Battery Operation The MSK 25 may either be mains operated or be battery operated (battery built-in). Mains Operation Only the wall power supply deliver ed may be used for power supply. Connect it to the voltage supply socket on the right hand side of the instrument. Sustained continuous operation (incl. MPEG opt[...]

SAT measurement 17 SAT measurement Standard Change-Over In SAT mode, the MSK 25 receives • analogue signals and • DVB-S signals. SAT Menu Standard Change-Over [2ndF] [STD] calling up menu standard change-over: [1] to [2] select standard 1 = analogue 2 = digital (DVB-S) Examples Calling up DVB-S standard Press [2ndF] [STD] The LC display indicat[...]

SAT measurement 18 Frequency Display and Frequency Entry To measure the level of a receiv ed signal, you must first enter the frequency required. The LC display indicates the frequency and the level measured. Frequency entry is possible from 920 MHz to 2150 MHz in 100 kHz steps. SAT Menu Frequency Entry [SAT/TV] Changing over to SAT reception [0] t[...]

SAT measurement 19 SAT Analogue Level Measurement Once you have entered a frequency, the level is measured automatically and displayed either in dBµV or dBmV (depending on the basic configuration) on the LC display. T he input level can be measured in the range of 30 dBµV to 120 dBµV (-30 dBmV to 60 dBmV). LC display: • Frequency: 1508 MHz •[...]

SAT measurement 20 Locating Satellites With the SCAN function, satellites , the exact transponder frequencies of which are unknown, can be located. In doing so, the frequency range from 1000 MHz to 2100 MHz is continuously scanned for received signals. If signals are received, the rec eption level is displayed as a bar graph. The measurement range [...]

SAT measurement 21 Bearing for Individual Reception Frequencies The „LEVEL ♫ “ function allows the antenna alignment to maximum received signal via bearing. The level tendency can be bargraph- displayed.The measurement range c an be adjusted to three different sensitivity levels. The level can be monitored with an acoustic signal, the pitch o[...]

SAT measurement 22 SAT Analogue Sound Carrier Frequency Each video signal has several sound carrier frequencies assigned to it. Selective hearing of the sound mainca rriers and the sound subcarriers is possible. The sound carrier frequency is tunable from 5.0 MHz to 8.99 MHz in 10 kHz steps. The soundcarrier bandwidth is automatically changed over [...]

SAT measurement 23 DVB-S MER, BER and Offset Measurement The modulation error rate (MER), the bit error rate (BER) and the carrier offset can be measured to rate the digital reception quality. Chapter ‚standard change-over‘ describes how to select between SAT/analogue and DVB-S. Calling up DVB-S measurement: Press [2ndF] [DVB] in SAT reception [...]

SAT measurement 24 LNB Voltage and 22 kHz/60 Hz Change-Over The LNB supply voltage can be obtained from the RF socket. For checking purposes, the LED beside the RF socket flashes when the voltage supply is switched on. The pow er consumption of the connected LNB is displayed on the LCD. The additionally connectable 22 kHz square-wave signal or the [...]

SAT measurement 25 Example Activating the 22 kHz signal: Press [2nF] [LNB] [8] LC display: • LNB voltage: 14 V • Power consumption: 150 mA • 22 kHz signal activated Note By pressing [8] again, the 22 kHz signal can be deactivated. By calling up a different function, e. g. [2ndF] [CH-FRQ] or 2x [2ndF] , the LNB menu will be closed automaticall[...]

SAT measurement 26 DiSEqC™ (Digital Satellite Equipment Control) The DiSEqC™ system is used for cont rol systems with extended control fac ilities. DiSEqC™ utilises a serial, bidirectional transmission mode with one master and one or more slaves. The data bits are generated with pulse width modulation of the 22 kHz carrier already existent, a[...]

SAT measurement 27 Example for a USER entry You wish to check the EXR 22 KATHREIN matrix. The instruction set for the EXR 22 matrix is E0 00 24 (LNB High) and E0 00 20 (LNB Low). Calling up DiSEqC™: Press [2ndF] [SAT-CTRL] Press [0] to call up USER entry. SAT-CTRL menu You can now enter the indvi dual code words by pressing [0] to [9] and [./S] .[...]

SAT measurement 28 Address Byte Menu Hex Byte Description 00 All instruments 10 Every LNB, Matrix or SMATV 11 LNB 12 LNB with loop-through 14 Matrix (Switcher) 15 Matrix (Switcher) with loop-through 18 SMATV 20 Every polarizer 21 Maximum turning (full skew) in linear polarisation 22 Stepwise polarizer adjustment 30 Every positioner 31 Polar/Azimuth[...]

SAT measurement 29 Command Byte Menu MSK 25 can send commands under DiSEqC™ 1.0 but cannot receive them. All the commands requiring Di SEqC™ 2.0 (sending and receiving) are underlined grey in the table below. Commands in bold are particularly preferred for KATHREIN switching matrices. Hex Byte Command Description Numbe r of data bytes 00 Reset [...]

SAT measurement 30 4F Write A7 Set analogue value A7 1 50 LO string Read current frequency - 51 LO now Read current frequency (Table Entry Number) - 52 LO Lo Read Lo frequency table entry number - 53 LO Hi Read Hi frequency table entry number - 58 Write Freq Write channel frequency 2 or 3 59 Ch.No. Set selected channel number (receiver) 2 60 Halt S[...]

SAT measurement 31 Data Byte Menu A corresponding data byte need not be sent to a command byte unless required by the command byte data byte (s). You can see this from the preceding command byte table. Please learn from the data sheets of the respective instruments which data byte is to be sent to the particular command byte. Orbit- position Sw itc[...]

TV measurement 32 TV measurement Standard Change-Over In TV mode, the MSK 25 can measure the following standards: • B/G standard • L standard • D/K standard • I standard • M/N standard • M1 standard (Japan) Standard Change-Over TV Menu [2ndF] [STD] Calling up standard change-over menu [0] Addressing standard menu [0] bis [6] Selecting s[...]

TV measurement 33 DVB-C/DVB-T Change-Over Press [2ndF] [STD] . LC display: • 1 = Analogue reception • 2 = DVB-C reception • 3 = DVB-T reception (if this option is provided) • 0 = Standard menu Press [2] to change over to DVB-C standard LC display: • 1 = QAM 64 demodulation • 2 = QAM 128 demodulation • 3 = DOCSIS QAM 64 demodulation Pr[...]

TV measurement 34 Channel display and channel entry You first have to set the required channel to be able to measure the level of a TV reception signal. The following channels may be set: • Band /III CH 01 to CH 12 in 7 MHz raster • Band IV/V CH 21 to CH 70 in 8 MHz raster • Special channel S 02 to S 03 in 8 MHz raster • Special channel S 0[...]

TV measurement 35 Frequency Display and Frequency Entry You first have to enter the required picture carrier frequency to be able to measure the level of a TV reception signal. Frequency entry is possible from 48 MHz to 858 MHz in 50 kHz steps. TV Frequency Entry Mode [SAT/TV] Changing over to TV reception [CH-FRQ] Change-over channel/frequency [0][...]

TV measurement 36 Level Measurement TV Analogue After you have set a channel or a fr equency, the level is automatically measured and displayed on the LC displa y either in dBµV or in dBmV (depending on the basic configuration) . The input level can be measured in the range of 30 dBµV to 120 dBµV (-30 dBmV to 60 dBmV). LC display: • Channel: C[...]

TV measurement 37 Bearing for Individual Reception Frequencies The „LEVEL ♫ “ function allows the antenna alignment to maximum received signal via bearing. The level tendency can be bargraph- displayed. The measurement range c an be adjusted to three different sensitivity levels. The level can be monitored with an acoustic signal, the pitch o[...]

TV measurement 38 Sound Carrier Distance and Sound Carrier Level On a second sound carrier, TV broadcas t stations can transmit either frequency-modulated (analogue) or in Nicam format (digital). Depending on the standard which has been set, various frequencies are assigned to the sound carriers, see table. Sound ca rrier 1 is permanently set after[...]

TV measurement 39 Press [3] while the sound carrier is displayed Note The sound carrier frequency is not adjustable but changed over according to the standard which has been set. The sound carrier level is only displayed when key [2] or [3] is pressed. NICAM Sound Bit Error Rate Measurement The bit error rate may be measured for an improved evaluat[...]

TV measurement 40 DVB-C/DVB-T (option), MER, BER and Offset Measurement The modulation error rate (MER), the bit error rate (BER) and the carrier offset can be measured to evaluate t he quality of the digital reception. Chapter ‚standard change-over‘ descri bes how to select either TV analogue, DVB-C or optionally DVB-T. Calling up DVB-C/DVB-T [...]

FM measurement 41 FM measurement Frequency Indication a nd Frequency Entry You first have to enter the desired frequency to be able to measure the level of an FM reception signal. Frequency entry is possible from 48 MHz to 858 MHz in 50 kHz steps. FM Frequency Entry Menu [2ndF] [FM] Changing over to FM reception [0] bis [9] Entering frequency [ENTE[...]

FM measurement 42 Level Measurement After you have set a frequency, the le vel is automatically measured and displayed in dBµV. The input level can be measured in the range of 30 dBµV to 120 dBµV. LC display: • Frequency: 104.8 MHz • Mode: FM • Level measured: 86.5 dBµV Level Overflow and Level Underflow The LC display indicates underflow[...]

FM measurement 43 Bearing for Individual Reception Frequencies The „LEVEL ♫ “ function allows the antenna alignment to maximum received signal via bearing. The level tendency can be bargraph- displayed. The measurement range c an be adjusted to three different sensitivity levels. The level can be monitored with an acoustic signal, the pitch o[...]

Spectrum Measurement 44 Spectrum Measurement The frequency spectrum in the SAT, TV and FM modes may be displayed on the TFT screen for evaluation purposes. You can call up the function ‚spectrum measurement‘ in each particular mode (SAT, TV, FM). Command for ‚spectrum measurement‘: [2ndF] [Spect] . Back to the regular LC display: 2 x [2ndF][...]

Spectrum Measurement 45 TV Spectrum Menu LC displays and range setting: [1] FULL SPAN = overall TV range (48…858 MHz) [2] VHF (48…467 MHz) [3] UHF (467…858 MHz) [4] NARROW (634…659 MHz) FM Spectrum The FM spectrum is addressed and measured as described above. It ranges from 87 MHz to 108 MHz. LC display À TV-Full TV-Narrow UHF VHF FM CCIR[...]

Maintenance 46 Maintenance Changing the Battery • Unscrew the two screws which fix the straps on the leather bag.Then unscrew the screw in the leather c ap. Pull the receiver out of the leather bag. • Now unscrew all the screws atop, at the bottom and on every side of the metal box. Pull the receiver out of it. • Unscrew the two screws on the[...]

Technical Appendix 47 Technical Appendix Signal-to-Noise-Ratio The following values must be known in order to determine the carrier/signal-to-noise-ratio (C/N): • Basic noise level (adjust the dish antenna so that no satellite signal will be received) • Maximum reception level • Bandwidth correction The following formula applies: C/N = Receiv[...]

Technical Appendix 48 DiSEqC™ Commands for Kathrein Matrices Instruction Set for 9xx Kathrein Matrix Production Run POS. A (Satellit 1) Low -Band High-Band Range Vert. Horiz. Vert. Horiz. DiSEqC™ Command F0 00 38 F0 F0 00 38 F2 F0 00 38 F1 F0 00 38 F3 POS. B (Satellit 2) Low -Band High-Band Range Vert. Horiz. Vert. Horiz. DiSEqC™ Command F0 0[...]

Technical Appendix 49 Channel Tables Channel Table and Frequency Table B/G Standard (frequencies in MHz) VRF-CCIR URF-CCIR URF-CCIR Pilot frequency 01 80.15 21 21 471.25 46 46 671.25 E2 02 48.25 22 22 479.25 47 47 679.25 E3 03 55.25 23 23 487.25 48 48 687.25 E4 04 62.25 24 24 495.25 49 49 695.25 E5 05 17.25 25 25 503.25 50 50 703.25 E6 06 182.25 26[...]

Technical Appendix 50 Channel Table and Frequency Table L Standard (frequencies in MHz) VHF UHF UHF 01 80.75 21 21 471.25 46 46 671.25 * LB 02 55.75 22 22 479.25 47 47 679.25 * LC 03 60.50 23 23 487.25 48 48 687.25 * LC1 04 63,75 24 24 495.25 49 49 695.25 L1 05 176.00 25 25 503.25 50 50 703.25 L2 06 184.00 26 26 511.25 51 51 711.25 L3 07 192.00 27 [...]

Technical Appendix 51 Channel Table and Frequency Table D/K Standard (frequencies in MHz) VHF UHF UHF R-I 01 49.75 21 21 471.25 46 46 671.25 R-II 02 59.75 22 22 479.25 47 47 679.25 R-III 03 77.25 23 23 487.25 48 48 687.25 R-IV 04 85.25 24 24 495.25 49 49 695.25 R-V 05 93.52 25 25 503.25 50 50 703.25 R-VI 06 175.25 26 26 511.25 51 51 711.25 R-VII 07[...]

Technical Appendix 52 Channel Table and Frequency Table I Standard (frequencies in MHz) VHF UHF UHF I A 01 45.75 21 21 471.25 46 46 671.25 I B 02 53.75 22 22 479.25 47 47 679.25 I C 03 61.75 23 23 487.25 48 48 687.25 I D 04 175.25 24 24 495.25 49 49 695.25 I E 05 183.25 25 25 503.25 50 50 703.25 I F 06 191.25 26 26 511.25 51 51 711.25 I G 07 199.25[...]

Technical Appendix 53 Channel Table and Frequency Table M1 Standard (Japan) (frequencies in MHz) VHF UHF UHF J01 01 91.25 13 13 471.25 38 38 621.25 J02 02 97.25 14 14 477.25 39 39 627.25 J03 03 103.25 15 15 483.25 40 40 633.25 J04 04 171.25 16 16 489.25 41 41 639.25 J05 05 177.25 17 17 495.25 42 42 645.25 J06 06 183.25 18 18 501.25 43 43 651.25 J07[...]

Technical Appendix 54 Channel Table and Frequency Table M/N Standard (frequencies in MHz) VHF UHF UHF 01 72.00 14 14 471.25 47 47 669.25 A02 02 55.25 15 15 477.25 48 48 675.25 A03 03 61.25 16 16 483.25 49 49 681.25 A04 04 67.25 17 17 489.25 50 50 687.25 A05 05 77.25 18 18 495.25 51 51 693.25 A06 06 83.25 19 19 501.25 52 52 699.25 A07 07 175.25 20 2[...]

Technical Appendix 55 Channel Table and Frequency Table M/N Standard (frequencies in MHz) Special channels A -5 95 S01 91.25 OO 51 S43 385.25 A-4 96 S02 97.25 PP 52 S44 391.25 A-3 97 S03 103.25 QQ 53 S45 397.25 A-2 98 S04 109.25 RR 54 S46 403.25 A-1 99 S05 115.25 SS 55 S47 409.25 A 14 S06 121.25 TT 56 S48 415.25 B 15 S07 127.25 UU 57 S49 421.25 C 1[...]

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