Kathrein MSK 24 инструкция обслуживания

Operating Manual Satellite / TV / Radio Test Receiver MSK 24 Order No. 208 323[...]

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Preface 3 Preface Dear Customer, Kathrein-Werke KG has made every effort to ensure that this manual is correct and complete. No liability can be assumed for any mistakes that may still be contained in the manual or for any damage resulting from such mistakes. This manual may not be copied in full or in part nor reproduced nor distributed in any oth[...]

Contents 4 Contents Preface ................................................................................................................................................. 3 Validity of this manual ....................................................................................................................... 3 Contents ...................[...]

Contents 5 FM measurement ................................................................................................................................. 41 Frequency Display and Entering Frequency ......................................................................................... 41 Level Measurement .......................................[...]

General Notes 6 General Notes This manual has been written for persons with a basic knowledge of electrical engineering. At every step users who have already worked with measuring instruments can find the necessary commands in an overview. In addition, the following examples help to explain the operating steps. Explanation of symbols Instructions s[...]

How it operates 7 How it operates The MSK 24 is designed as a universal portable test receiver for TV, SAT and FM radio for both battery and mains operation. A built-in lead battery with 2.8 Ah and a plug-in power unit for 230 V AC are included with the receiver. A microcontroller is responsible for controlling the unit, scanning the keyboard and d[...]

Overview of functions 8 Overview of functions Function SAT mode TV mode FM mode Mains and battery operation *** Level measurement by entering frequency *** Level measurement by entering channel * Level-dependent acoustic signal *** Loudspeaker for acoustic check *** Reception of multiple standards (B/G, D/K, I, L, Nicam, M/N, M1) Nicam audio recept[...]

Block diagram of MSK 24 9 Block diagram of MSK 24[...]

Technical Data 10 Technical Data Power supply Mains operation 23 0 VAC 50/60 Hz Battery operation 12 V / 2.8 Ah lead battery Capacity Dimensions width 260 mm, height 90 (120) mm, depth 165 mm incl. accessories (plus bag) Weight 4 kg (incl. bag) Safety standards CE label Protection class II VD E EN61010 Display TFT screen, alphanumerical LCD with 2 [...]

Technical Data 11 Audio processing SAT FM audio processing 5.0 MHz…8.99 MHz i n steps of 10 kHz TV FM + Nicam in quasi parallel audio mode AM in parallel mode (only L standard) TV B/G standard Audio carrier 1 = 5.5 MHz, Audio carrier 2 = 5.74 MHz D/K standard Audio carrier 1 = 6.5 MHz, Audio carrier 2 = 6.26 MHz I standard Audio carrier 1 = 6.0 M[...]

Operating and display elements 12 Operating and display elements Display elements LC display Depending on the mode the following information is shown in the LC display: • the set channel, • the set frequency, • the function called up, • the mode, • the level measured and • the measured values. TFT colour screen The colour screen has a d[...]

Overview of the keyboard commands 13 Overview of the keyboard commands Button Brief description of the function for SAT TV FM SAT/TV Switch-over to TV reception Switch-over to SAT reception Switch-over to SAT reception - Decrease current values + Increase current values 0...9 Enter numbers ./S Decimal point for numerical entries • Decimal point f[...]

Connections 14 Connections RF input socket The signal received from the antenna system or the cable network is fed in here (BNC coaxial socket). The remote powering voltage (for LNB) can be adjusted from 10 to 20 V DC and can be switched off. When the LNB voltage is switched on, the LED next to the RF input socket lights up. Make sure that there is[...]

Starting up 15 Starting up Switching on the receiver • Connect the receiver with the battery charger/power supply unit to the mains supply. • Turn the on/off switch towards the right. • Set the desired volume. The LC display shows the software version and serial number of the MSK 24 for approx. 1 second. Then the LC display indicates the capa[...]

Starting up 16 Setup menu The default setting (status of the MSK 24 when it is switched on) can be set in the setup menu. Factory settings Parameter Setting POWER ON TV LNB DC OFF LEVEL dBìV Low Level Mute ON Settings in the setup menu Calling up the setup menu Press the [2ndF] and [SETUP] buttons. Press button [1] , [2] or [3] to select the appro[...]

Starting up 17 Mains and battery operation The MSK 24 can be powered from the mains or the built-in battery. Mains operation Use only the batttery charger/power supply unit supplied for mains operation. Connect the power supply unit to the voltage supply socket on the right side of the receiver. If the receiver is not used for long periods, connect[...]

Sat measurement 18 Sat measurement Standard Switch-Over In the SAT mode the MSK 24 can be set to receive the following types of signal: • analogue and • digital (DVB). Overview of commands in Standard Switch-Over in SAT [2ndF] [STD] Call up standard switch-over menu: [1]...[2] Select the standard 1 = analogue 2 = digital (DVB) Example Call up d[...]

Sat measurement 19 Frequency Display and Entering Frequency To measure the level of a received signal, you must first enter the desired frequency. The LC display shows the frequency and the measured level. You can enter frequency values from 920 MHz to 2150 MHz in steps of 100 kHz. Overview of commands in Entering Frequency (SAT) [SAT/TV] Switch ov[...]

Sat measurement 20 Level Measurement Once you have set a frequency, the level is measured automatically and displayed in dBìV or dBmV (depending on the basic configuration) on the LC display. The input level can be measured in the range of 30 dBìV to 120 dBìV ( -30 dBmV to 60dBmV). LC display: • Frequency: 1508MHz • Mode: SAT • Measured le[...]

Sat measurement 21 Tracking Satellites The "SCAN" function can search for satellites whose exact transponder frequencies are unknown. The frequency range from 1000 to 2100 MHz is scanned continuously to detect signals. If signals are received, the reception level is indicated in a bar display. The measuring range can be set to three diffe[...]

Sat measurement 22 Tracking for Single Frequencies In the "LEVEL " function you can align an antenna by tracking to receive the maximum signal. The level tendency can be indicated in the bar display. The measuring range can be set to three different sensitivity levels. The level can be monitored with an audio tracking signal, the volum[...]

Sat measurement 23 Audio Carrier Frequency A video signal has several audio carrier frequencies assigned to it. With the MSK 24 you can select the main carrier and subcarrier frequencies to hear them separately. The audio carrier frequency can be set in steps of 10 kHz from 5.0 MHz to 8.99 MHz. The audio carrier bandwidth is automatically switched [...]

Sat measurement 24 LNB Voltage and 22 kHz / 60 Hz Switch-Over The LNB supply voltage is available at the RF socket. This is confirmed by the LED next to the RF socket which lights up when the voltage supply is switched on. The current consumed by the connected LNB is indicated in the LC display. The 22 kHz or 60 Hz square wave signal that can be ad[...]

Sat measurement 25 Example Switch on the 22 kHz signal. Press button [8] . LC display: • LNB voltage 14 V • Current consumption 150 mA • The 22 kHz signal is switched on. Note By pressing button [8] , you can switch off the 22 kHz signal. By calling up another function, e.g. [2ndF] [CH-FRQ] , you can exit the LNB menu automatically. 0 LNB:14,[...]

Sat measurement 26 DiSEqC (Digital Satellite Equipment Control) The DiSEqC system is used to control systems with extended control facilities. DiSEqC uses serial, bidirectional transmission with one master and one or more slaves. The data bits are formed by modulation of the pulse width of the available 22 kHz carrier and are superimposed with 600 [...]

Sat measurement 27 Example You want to test the Kathrein matrix EXR 22. The command set for the matrix EXR 22 is E0 00 24 (LNB High) and E0 00 20 (LNB Low). Call up DiSEqC: Press buttons [2ndF] [SAT-CTRL] Press button [3] to call up the DiSEqC control. SAT-CTRL menu You can now enter the data bits for each code word using the buttons [0] to [9] and[...]

Sat measurement 28 Overview of commands in Address Byte Hex byte Description 00 All equipment 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 rotation (full skew) with lineal polarizat i on 22 Set polarizer in steps 30 Every positioner 3[...]

Sat measurement 29 Overview of commands in Command Byte The MSK 24 can send commands in accordance with DiSEqC 1.0 but it cannot receive them. All commands that require DiSEqC 2.0 (to send and receive) are shown in grey in the table. Commands shown in bold type are used preferentially for Kathrein switching matrices. Hex byte Command Description Nu[...]

Sat measurement 30 B inactive) 2A Set S3A Call up matrix S3 input A (input B inactive) - 2B Set S4A Call up matrix S4 input A (input B inactive) - 2C Set S1B Call up matrix S1 input B (input A inactive) - 2D Set S2B Call up matrix S2 input B (input A inactive) - 2E Set S3B Call up matrix S3 input B (input A inactive) - 2F Set S4B Call up matrix S4 [...]

Sat measurement 31 Overview of commands in Data Byte An appropriate data byte only needs to be sent when the command byte requires data byte(s). You can see this in the above command byte table. You can find out which data byte has to be sent to which command byte in the data sheets for the relevant receiver. Orbit posit i on Switch position H/V Sw[...]

Sat measurement 32 Example Call up Simple DiSEqC: Press buttons [2ndF] [SAT-CTRL] Press button [3] to call up DiSEqC control. SAT-CTRL menu The cursor must be positioned on the left with the [-] button. Press button [0] or [1] to call up the Simple DiSEqC menu. DiSEqC menu Press [ENTER] to send the control command. The > symbol indicates that th[...]

Sat measurement 33 V-SEC (Vario-Satellite Equipment Control) V-SEC provides unidirectional communication between satellite receivers and peripheral components in a satellite receiving system and serves to control intelligent multiswitches with several inputs, coaxial relays or rotation systems. V-SEC uses 8-bit data transfer by pulse width modulati[...]

TV measurement 34 TV measurement Standard Switch-Over In the TV mode the MSK 24 can measure the following standards: • B/G standard • L standard • D/K standard • I standard • M/N standard • M1 standard (Japan) Overview of commands in Standard Switch-Over (TV) [2ndF] [STD] Call up standard switch-over menu [0]...[6] Sel ect standard Exam[...]

TV measurement 35 Channel Display and Entering Channel To measure the level of a received TV signal, you must first enter the desired channel. The following channels can be set: • Band I / III CH 01 to CH 12 in the 7 MHz raster • Band IV / V CH 21 to CH 70 in the 8 MHz raster • Special channel S 01 to S 20 in the 7 MHz raster • Special chan[...]

TV measurement 36 Frequency Display and Entering Frequency To measure the level of a received TV signal, you must first enter the desired video carrier frequency. You can enter the frequency in steps of 50 kHz from 45 MHz to 867 MHz. Overview of commands in Entering Frequency (TV) [SAT/TV] Switch over to TV reception [CH-FRQ] Switch-over between ch[...]

TV measurement 37 Level Measurement (TV) Once you have set a channel or a frequency, the level is measured automatically and indicated in dBìV or dBmV (depending on the configuration of the receiver) on the LC display. The input level can be measured in the range of 30 dBìV to 120 dBìV (-30 dBmV to 60 dBmV). LC display: • Channel: CH 05 • Mo[...]

TV measurement 38 Tracking for Single Frequencies In the "LEVEL " function you can align an antenna by tracking to receive the maximum signal. The level tendency can be indicated in the bar display. The measuring range can be set to three different sensitivity levels. The level can be monitored with an audio tracking signal, the volume[...]

TV measurement 39 Audio Carrier Distance and Level TV transmitters can use a second audio carrier to transmit information using FM modulation (analogue) or in Nicam format (digital). Different frequencies are allocated to the audio carriers depending on the standard being used (see table). Audio carrier 1 is always the default setting after you hav[...]

TV measurement 40 As above. Press button [2] during the audio carrier display. Measuring the Audio Carrier Distance and Level of Nicam Audio Carriers: As above. Press button [3] during the audio carrier display. Note The audio carrier frequency cannot be set. It is switched over depending on the standard being used. The audio carrier level is only [...]

FM measurement 41 FM measurement Frequency Display and Entering Frequency To measure the level of a received FM signal, you must first enter the desired frequency. You can enter the frequency in steps of 50 kHz from 45 MHz to 867 MHz. Overview of commands in Entering Frequency (FM) [2ndF] [FM] Switc h over to FM reception [0]...[9] Enter frequency [...]

FM measurement 42 The LC display shows an overflow level of >120 dBìV. • Frequency: 104.8 MHz • Mode: TV • Level: overflow Tracking for Single Frequencies In the "LEVEL " function you can align an antenna by tracking to receive the maximum signal. The level tendency can be indicated in the bar display. The measuring range can[...]

Spectrum measurement 43 Spectrum measurement To assess a receiving system you can display the frequency spectrum for Sat, TV and FM on the screen. You can call up Spectrum Measurement from the relevant mode (Sat, TV or FM). Command for Spectrum Measurement: [2ndF] [Spect] . Return to the normal LC display: 2 x [2ndF] . You can use the buttons [-] a[...]

Spectrum measurement 44 Overview of commands in TV Spectrum LC displays and ranges: [1] FULL SPAN = entire TV range (44…867 MHz) [2] VHF (44…467 MHz) [3] UHF (467…867 MHz) [4] NARROW (e.g. 634…659 MHz) FM Spectrum You can select and measure the FM spectrum as described above. It covers 87…108 MHz. LC display ë TV full TV narrow UHF VHF F[...]

Maintenance 45 Maintenance Changing the battery • Unscrew the two screws holding the straps of the leather case. Then unscrew the screw in the leather cover. Pull the receiver out of the leather case. • Now unscrew all screws on the top, bottom and sides of the metal housing. Pull the receiver out of the metal housing. • Remove the terminal c[...]

Technical Appendix 46 Technical Appendix Signal-to-noise distance The following values must be known in order to calculate the carrier-to- noise distance (C/N) for analogue transponders. • background noise level (set parabola antenna so that no satellite signal is received) • max. receiving level • bandwidth correction. This gives the followi[...]

Technical Appendix 47 DiSEqC commands for Kathrein matrices Command set for Kathrein matrix 9xx-series POS. A (Satellite 1) Low band High band Range Vert. Hor. Vert. Hor. DiSEqC command E0 00 38 F0 E0 00 38 F2 E0 00 38 F1 E0 00 38 F3 POS. B (Satellite 2) Low band High band Range Vert. Hor. Vert. Hor. DiSEqC command E0 00 38 F4 E0 00 38 F6 E0 00 38 [...]

Technical Appendix 48 Channel tables Channel and frequency table for B/G standard (frequency in MHz) VHF-CCIR UHF-CCIR UHF-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 05 175.25 25 25 503.25 50 50 703.25 E6 06 182.25 26 26[...]

Technical Appendix 49 Channel and frequency table for L standard (frequency 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 27 5[...]

Technical Appendix 50 Channel and frequency table for D/K standard (frequency 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 07 183[...]

Technical Appendix 51 Channel and frequency table for I standard (frequency 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 27 [...]

Technical Appendix 52 Channel and frequency table for M1 Japan standard (frequency 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 07 18[...]

Technical Appendix 53 Channel and frequency table for M/N standard (frequency 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 20 50[...]

Technical Appendix 54 Channel and frequency table for M/N standard (frequency in MHz) Special channels 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 Audio carrier S48 415.25 B 15 S07 127.25 [...]

Notes 55 Notes[...]

internet http://www.kathrein.de KATHREIN-Werke KG ž Telephone +49 (0) 80 31 18 40 ž Fax +49 (0) 80 31 18 43 06 Anton-Kathrein-Strasse 1-3 ž Postfach 10 04 44 ž D-83004 Rosenheim 936.1997/ZWT/PF Technical data subject to change[...]