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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

•

Mode: TV

•

Measured level: 86.5 dBìV

Level Overflow and Underflow

The LC display shows an underflow level of <30 dBìV.

LC display:

•

Channel: CH 05

•

Mode: TV

•

Level: underflow

The LC display shows an overflow level of >120 dBìV.

LC display:

•

Channel: CH 05

•

Mode: TV

•

Level: overflow

Note

The level of DVB-C signals can only be measured in the digital reception
mode. See Standard Switch-Over.

CH: .05.

TV

LEV: 86.5dBuV

CH: .05.

TV

LEV:___._dBuV

CH: .05.

TV

LEV:

. dBuV

+

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Содержание MSK 24

Страница 1: ...Operating Manual Satellite TV Radio Test Receiver MSK 24 Order No 208 323...

Страница 2: ...2...

Страница 3: ...copied in full or in part nor reproduced nor distributed in any other form without written permission from Kathrein KG We reserve the right to make alterations to this manual without prior notice This...

Страница 4: ...and Entering Frequency 19 Overview of commands in Entering Frequency SAT 19 Level Measurement 20 Level Overflow and Underflow 20 Tracking Satellites 21 Tracking for Single Frequencies 22 Audio Carrie...

Страница 5: ...Kathrein matrix 9xx series 47 Command set for Kathrein matrix EXR 20 47 Command set for Kathrein matrix EXR 22 47 Channel tables 48 Channel and frequency table for B G standard frequency in MHz 48 Cha...

Страница 6: ...he commands for the button combinations for the relevant measuring function The button to be pressed on the receiver Safety instructions Always observe VDE safety regulations Use only fuses that have...

Страница 7: ...in an EEPROM Precise level measurements can thus be made There is a bar display on the front display to help find transmitters In addition there is an audio tracking signal to facilitate aligning of t...

Страница 8: ...t acoustic signal Loudspeaker for acoustic check Reception of multiple standards B G D K I L Nicam M N M1 Nicam audio reception and L standard Audio carrier setting Audio carrier measurement Adjustabl...

Страница 9: ...Block diagram of MSK 24 9 Block diagram of MSK 24...

Страница 10: ...7 MHz FM 88 MHz 108 MHz 45 MHz 867 MHz Channel allocation TV B standard 7 MHz D G I K standard 8 MHz M N M1 standard 6 MHz Frequency tuning SAT in 0 125 MHz steps TV in 50 kHz steps FM in 50 kHz steps...

Страница 11: ...rier 1 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 45 MHz 867 MHz Audio carrier measurement TV B G standard 5 5 MHz 5 74...

Страница 12: ...colour screen The colour screen has a diagonal of 4 and a resolution of 238 x 480 pixels The light intensity is 250 cd m Connections right side 7 8 9 4 5 6 1 2 3 0 S 4 5 6 1 2 3 MSK 24 SAT TV FM TEST...

Страница 13: ...command level FM Switch over to FM Sat Ctrl Call up the DISEqC V SEC menu LNB LNB LNB voltage menu and current measurement No function Ch Freq No function Call up the frequency menu Switch over from c...

Страница 14: ...d if this warning is not heeded External DC voltage supply The MSK 24 can be powered from the mains or its built in battery Voltage is supplied externally from the supplied power supply and recharging...

Страница 15: ...of the MSK 24 for approx 1 second Then the LC display indicates the capacity of the battery for approx 3 seconds One segment is equivalent to approx 20 of the total capacity 2 8 Ah Now apply the rece...

Страница 16: ...g 2 Setup menu In the next menu press button 1 or 2 to set the measuring unit in which the level should be displayed Press ENTER to retain the current setting 3 Setup menu In the next menu you are req...

Страница 17: ...not to be used to supply voltage as otherwise the battery will be discharged Battery operation Battery operation is only possible if the battery is sufficiently charged Otherwise the MSK 24 cannot be...

Страница 18: ...D Call up standard switch over menu 1 2 Select the standard 1 analogue 2 digital DVB Example Call up digital DVB standard Press 2ndF STD LC display 1 analogue standard 2 digital DVB standard Standard...

Страница 19: ...requency 1288 MHz Mode SAT Level 66 5 dB V Example Enter frequency 1508 MHz Press 1 5 0 8 ENTER LC display Frequency 1508 MHz Mode SAT Level 86 5 dB V A or in the display means that MSK 24 has not bee...

Страница 20: ...y 1508MHz Mode SAT Measured level 86 5dB V Level Overflow and Underflow The LC display indicates unterflow at a level 30 dB V e g Frequency 1508 MHz Mode SAT Level underflow The LC display indicates o...

Страница 21: ...the audio tracking signal can be set with the volume control Overview of commands in SCAN 2ndF SCAN Switch over to SCAN operation Change the measuring range of the bar display Level range 1 high input...

Страница 22: ...nds in Tracking 2ndF LEVEL Switch over to the tracking mode Change the measuring range of the bar display The measuring range is preselected automatically Level range 1 high input level Level range 2...

Страница 23: ...Hz 1 5 80 280 2 6 50 280 3 6 65 280 4 7 02 150 5 7 20 150 6 7 38 150 7 7 56 150 8 7 74 150 9 7 92 150 Overview of commands in Audio Carrier Frequencies SAT 2ndF SC Call up audio carrier menu 1 9 Selec...

Страница 24: ...20 V in steps of 0 1 V short circuit protected max current 500 mA The following voltages can be called up by pressing the relevant button LNB voltage Button 0V 0 12V 1 14V 2 18V 3 Overview of commands...

Страница 25: ...n 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 FR...

Страница 26: ...ransmission errors Several code words form a DiSEqC command Input of the code words is in hexidecimal code code words Framing P Address P Command P Data P parity bit The MSK 24 can also transmit signa...

Страница 27: ...ix EXR 22 has been entered and sent DiSEqC menu Note You can find the DiSEqC command sets for the Kathrein matrices EXR 20 EXR 22 and the 9xx series in the Technical Appendix Overview of commands in F...

Страница 28: ...ery polarizer 21 Maximum rotation full skew with lineal polarization 22 Set polarizer in steps 30 Every positioner 31 Polar Azimuth positioner 32 Elevation positioner 33 Combined positioner 34 LNB pos...

Страница 29: ...tention flag has not been set 08 Move C Change address if contention flag has been set 1 09 Move Change address if contention flag has not been set 1 10 Status Read status register flags 11 Config Rea...

Страница 30: ...N3 Expansion option 1 40 Read A0 Read analogue value A0 41 Read A1 Read analogue value A1 48 Write A0 Set analogue value A0 1 49 Write A1 Set analogue value A1 1 4F Write A7 Set analogue value A7 1 50...

Страница 31: ...ion LNB Data byte V Lo F0 1 V Hi F1 H Lo F2 H Hi F3 V Lo F4 2 V Hi F5 H Lo F6 H Hi F7 V Lo F8 3 V Hi F9 H Lo FA H Hi FB V Lo FC 4 V Hi FD H Lo FE H Hi FF Simple Tone Burst DiSEqC A simplified form of...

Страница 32: ...st 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 the control command has...

Страница 33: ...kHz are still available Input of the code word is in hexadecimal code Overview of commands in V SEC 2ndF SAT CTRL Call up the V SEC menu 0 9 Enter the figures 0 to 9 0 5 Enter the letters A F Button H...

Страница 34: ...ver menu 0 6 Select standard Example Call up B G analogue standard Press 2ndF STD LC display 1 Analogue reception 2 DVB reception 1 Standard menu Press button 1 The following menu now appears 1 B G St...

Страница 35: ...o S 41 in the 8 MHz raster The information refers only to the factory preset B G standard You can find information for other standards in the Technical Appendix Overview of commands in Entering Channe...

Страница 36: ...d frequency 0 9 Enter frequency ENTER Confirm entry and Change frequency gradually Example Enter frequency of 175 25 MHz Press 2ndF CH FRQ Call up the frequency menus Then 1 7 5 S 2 5 ENTER Entering f...

Страница 37: ...V 30 dBmV to 60 dBmV LC display Channel CH 05 Mode TV Measured level 86 5 dB V Level Overflow and Underflow The LC display shows an underflow level of 30 dB V LC display Channel CH 05 Mode TV Level u...

Страница 38: ...s in Tracking 2ndF LEVEL Switch over to the tracking mode Switch among the measuring ranges of the bar display The measuring range is automatically preselected Level range 1 high input level Level ran...

Страница 39: ...dB V During the measurement the loudspeakers are muted After measurement the modulation of the audio carrier last measured can be heard Overview of commands in Measuring Audio Carrier Frequency 2ndF...

Страница 40: ...audio carrier level is only displayed as long as one of the buttons 1 2 or 3 is pressed NICAM Measuring Audio Bit Error Rates To assess the audio quality of Nicam signals you can measure the bit error...

Страница 41: ...25 MHz Level 65 0 dB V Mode FM Note Once you have called up the FM menu you only need to enter the figures to enter the frequency again The last frequency setting is retained even when the MSK 24 is...

Страница 42: ...volume control Overview of commands in Tracking 2ndF LEVEL Switch over to the tracking mode Switch among the measuring ranges of the bar display The measuring range is automatically preselected Level...

Страница 43: ...ximum levels The frequency and the measured value are indicated in the upper line on the screen The measuring range is indicated in dB V on the axis on the left of the screen The level measurement ran...

Страница 44: ...C 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 co...

Страница 45: ...beware of causing a short circuit between the terminal clips and the battery compartment Unscrew the four screws of the battery compartment from the underside of the frame Pull the battery out of the...

Страница 46: ...orrection Measured bandwidth of MSK 24 6 MHz Bandwidth correction value 10 log RF bandwidth of receiving signal Bandwidth correction value 6 37 dB at 26 MHz bandwidth Astra Bandwidth correction value...

Страница 47: ...nd 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 F5 E0 00 38 F7 Command set for Kathrein...

Страница 48: ...8 607 25 63 63 807 25 G 19 201 25 39 39 615 25 64 64 815 25 H 20 210 25 40 40 623 25 65 65 823 25 41 41 631 25 66 66 831 25 42 42 639 25 67 67 839 25 43 43 647 25 68 68 847 25 44 44 655 25 69 69 855 2...

Страница 49: ...07 25 63 63 807 25 K19 19 215 25 39 39 615 25 64 64 815 25 20 223 25 40 40 623 25 65 65 823 25 41 41 631 25 66 66 831 25 42 42 639 25 67 67 839 25 43 43 647 25 68 68 847 25 44 44 655 25 69 69 855 25 4...

Страница 50: ...5 62 62 799 25 18 90 00 38 38 607 25 63 63 807 25 19 175 00 39 39 615 25 64 64 815 25 20 200 00 40 40 623 25 65 65 823 25 41 41 631 25 66 66 831 25 42 42 639 25 67 67 839 25 43 43 647 25 68 68 847 25...

Страница 51: ...99 25 18 80 00 38 38 607 25 63 63 807 25 19 90 00 39 39 615 25 64 64 815 25 20 175 00 40 40 623 25 65 65 823 25 41 41 631 25 66 66 831 25 42 42 639 25 67 67 839 25 43 43 647 25 68 68 847 25 44 44 655...

Страница 52: ...5 33 33 591 25 58 68 741 25 34 34 597 25 59 59 747 25 35 35 603 25 60 60 753 25 36 36 609 25 61 61 759 25 37 37 615 25 62 62 765 25 Special channels S 1 S01 223 25 S20 S20 337 25 S39 S39 451 25 S 2 S0...

Страница 53: ...5 24 24 531 25 57 57 729 25 A12 12 205 25 25 25 537 25 58 58 735 25 A13 13 211 25 26 26 543 25 59 59 741 25 27 27 549 25 60 60 747 25 28 28 555 25 61 61 753 25 29 29 561 25 62 62 759 25 30 30 567 25 6...

Страница 54: ...229 25 67 S59 481 25 M 26 S18 235 25 68 S60 487 25 N 27 S19 241 25 69 S61 493 25 O 28 S20 247 25 70 S62 499 25 P 29 S21 253 25 71 S63 505 25 Q 30 S22 259 25 72 S64 511 25 R 31 S23 265 25 73 S65 517 25...

Страница 55: ...Notes 55 Notes...

Страница 56: ...net http www kathrein de KATHREIN Werke KG Telephone 49 0 80 31 18 40 Fax 49 0 80 31 18 43 06 Anton Kathrein Strasse 1 3 Postfach 10 04 44 D 83004 Rosenheim 936 1997 ZWT PF Technical data subject to c...

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