User Manual
Contents
1. ec e oo e 85 5 5 1 l al eco mo 5 z ien era ello Le p D e e eo o o o o Oo G Oo O0 e e eo eo o e o Bice 3 2 EMC regulations To comply with the current EMC regulations it is necessary to connect the lines leading in and out of the head end station using F terminals The attenuation of shielding of the connection lines must meet the require 24 ments for Class A m KLASSE When mounting the cassette in a STR 19 8 head end station which is in stalled in a 19 cabinet make sure the connections leading in and out for the 19 cabinet are made using F terminals S6 00000 Insert the required number of F terminals in the openings provided in head end station or in the 19 cabinet gt F terminals are not included in the scope of delivery Tighten the nut on the F terminal until the teeth on the lock washer have pen X etrated the exterior coating and a good connection is made between the housing and F terminal 3 3 Connecting the cassette O O O O SAT input B RS 232 SAT input A 3 Plug the S2. Selecting cassette Bx5A DVBT DVBT BD3 co9 A Select the cassette you want to program e g Box 4 by repeatedly pressing the button Ell if necessary By pressing the MODE button activate channel strip A DE Selecting the channel strip 5 541 gt The display shows e g the menu Bx 4A QPSK C stands for cassette box 4 for slot 4 for channel strip QPSK C of cassette Sal Channel set By pressing H H select channel strip A B Press the button gt The Selecting channel frequency setting OUTPUT menu is activated Selecting channel frequency setting In this menu you can choose the channel or frequency setting for the adjustment of the HF output The channel setting cov ers the range of channels S21 C69 the frequency setting covers the range from 42 0 MHz to 860 0 MHz The QAM signal is normally transmitted with a bandwidth of 8 MHz This means that you can only use the channel centre frequency of the existing channel raster in the range of chan nels S21 C69 frequency raster 8 MHz The CCIR chan nel raster is 7 MHz in the range of the lower frequency bands channels C2 S20 Therefore the frequency setting is used here If one uses the existing channel raster of 7 MHz in these channel ranges this will result in
3. GPSK 1 45 Msymb s SCPC MCPC 521 C69 42 0 MHz 860 0 MHz typ 97 dBpV 750 2 F sockets 1 IEC socket for supply voltages and control circuits serial interface for software update 2 4 2 5 Description The twin transmodulator cassette is a QPSK converter which converts all sta tions modulated according to DVB S standard and QPSK into two QAM modu lated cable signals The cassette has two digital SAT IF inputs and an HF output It is equipped with two channel strips A and B Each channel strip consists of a digital tuner a digital signal preparation unit and a modulator The prepared input signals reach the HF output collector of the head end station via the HF output socket The common output level of the channel strips can be set at the output collector of the head end station Two LEDs indicate if the respective channel strip is switched on LED illuminates or off and also provide an indication of the signal quality based on their colour Additionally the quality of the data stream received is displayed The output symbol rate is fixed to a value of 6900 kSymb s If the symbol rate being transmitted exceeds this value change to a high order modulation e g from 64 QAM to 256 QAM When the head end station is switched on the two line LC display shows the software version of the control unit To operate this cassette the software version of the control unit must be V 37 or hi
4. gt The Setting the input symbol rate SYMBOL menu is activated Setting the input symbol rate The symbol rates of the satellite transponders can be found in the current channel table of the satellite operator in various satellite magazines and in the Internet EB Bx 4a SYMBOL QA 2750 DvB s e Use E E to position the cursor under the digit to be set for the symbol rate displayed Press to enter the values of the symbol rate gt The DVB S logo has no function e Press the button The Setting the input frequency FREQ menu is activated Setting the input frequency If three dots appear in the second line of the display the cassette is in the station search mode Please wait until the process has finished Once the HF receiver has synchronised to the input signal any offset to the target frequency is displayed in MHz e g 1 8 If a question mark appears the second line of the dis play there is no input signal present Check the configuration of the antenna system and head end station as well as the preceding settings of the cassette Em Bx 4A FREQ Bx 4A 11836 1 8 cN 22 12 0dB 9 6 MODE 17 e Use E E to position the cursor under the digit of the frequency displayed to be set Press to set the input frequency Set the frequency offset shown in the display to less than 1 MHz by v
5. 311 25 5 23 319 25 5 24 327 25 9258885205 5 26 343 25 Kanalmittenfrequenz Channel centre frequency MHz Kanal Channel Co Co Co Cn 1 Fo NS NS 5 5 ier TED ier f SE oc ND p S55 PEE Do Do m Em 2 im n as 133 25 C3 178 25 140 25 C 6 182 25 147 25 C z 2S 154 25 8 19625 161 25 91 203 25 168 25 10 210 25 Kanal Channel Bildtr gerfrequenz Picture carrier frequency MHz 32 Co CO CO Aan SIR NNN Ann 375 25 383 25 391 25 Kanalmittenfrequenz Channel centre frequency MHz Kanal Channel Bildtr gerfrequenz Picture carrier frequency MHz 354 00 533 362 00 534 370100 1535 378 00 536 386 00 537 394 00 538 CCIR Band IV V Frequency raster 8 MHz CA 147728 C 22 479 25 28 4137225 C 24 495 25 25180325 C 26 511 25 25 C 28 527 25 C 729 25 C 30 543 25 SS S525 C 32 559 25 C 33 567 25 34 575 25 474 00 482 00 490 00 498 00 506 00 514 00 522 00 530 00 538 00 546 00 554 00 562 00 570 00 578 00 e C 36 Cay C 38 CH C 40 41 42 43 C 44 45 46 C 47 583 25 591 25 59005 607 25 615 25 623 25 639 25 647 25 655 25 663 25 671 25 679 25 687 25 48 Alterations reserved Technical data E amp O E 586 00 C49 594 00 C50 602 00 ICI 610 00 C52 618 00 C53 626 00 C54 634 00 C55 642 00 C56 050100 057 658 00 C58
6. 666 00 C59 674 00 C60 682 00 C l 690 00 C62 Kanal Channel 558 NON Ci Cn 423 25 AS 439 25 695 25 703 25 7 25 719 25 72225 735 25 79 725 751 25 75925 767 25 25925 783 25 791 25 799 25 Bildtragerfrequenz Picture carrier frequency MHz Kanalmittenfrequenz Channel centre frequency MHz 698 00 706 00 714 00 722 00 730 00 738 00 746 00 754 00 762 00 770 00 778 00 786 00 794 00 802 00 GSS GmbH Kanal Channel 15 16 SEPA 18 20 Kanal Channel Bildtr gerfrequenz Picture carrier frequency 539 S 40 41 63 64 65 Coy C 68 Coy Bildtr gerfrequenz Picture carrier frequency MHz Kanalmittenfrequenz Channel centre frequency 807 25 815 25 823 25 831 25 83225 847 25 855 25 MHz an 5 NN nan 273 25 280 25 287 25 294 25 MHz 810 00 818 00 826 00 834 00 842 00 850 00 858 00 11062008
7. interference overlapping with the 8 MHz QAM signal packages thus causing trans mission problems For programming in these channel ranges and in the frequen cy ranges below them we recommend starting with channel S21 306 MHz going back in steps of 8 MHz Bx 4A OUTPUT Channel Channel Freq Use to select channel setting Channel or frequen cy setting Freq Press the button gt The Setting the output channel or Setting the out put frequency OUTPUT menu is activated gt If frequency setting is selected continue on page 15 with Setting the output frequency Setting the output channel In this menu you set the output channel S21 C69 of the channel strip Additionally the modulator of the channel strip can be switched off or on page 15 OUTPUT DE on otf Use the buttons to set the output channel Setting the output frequency In this menu you set the output frequency 42 0 860 0 MHz of the channel strip Additionally the modulator of the channel strip can be switched off or on output E E mm en B E on off Use the buttons to position the cursor under the digit of the frequency displayed to be set then use B E to set the output frequency wished Switching the modulator off or on To switch off the modulator move the cursor under on us ing the button and
8. 3 Selecting channel frequency setting sse 13 Setting the output channel rete riter cte ee en 14 Setting the output frequency 15 Switching the modulator off or on 15 Adjusting the output levels of the channel 15 Setting the LNB oscillator frequency sse 16 Setting the input symbol rate 17 Setting the input 17 Testing the signial to noise Ratio 18 Setting the QAM modulation sss 19 Inverting the user signal seed een 20 IESUS EUIS 20 Setting a substitute signal in the case of an incorrect input signal 21 Sving Se NGE mmm 21 6 Channel and frequency tables scsccssscsssscssscsesscsssscsscecescecceseccesecsessesesecseseeee 22 1 Safety regulations A Caution e Assembly installation and servicing should be carried out by authorised electricians Switch off the operating voltage of the system before beginning with assembly or service work or pull out the mains plug Do not perform installation and service work during thunderstorms Install the system so it will not be able to vibrate in a dustfree dry environment in such a manner that it is protected from moisture fumes sp
9. AT input cables into the SAT input sockets SAT input A 2 channel strip and SAT input 1 channel strip B Connect the head end station to the mains power supply 3 RS 232 socket The operating software of the cassette can be updated via the 9 Pin D SUB socket RS 232 using a PC or notebook and the software BE Flash You can find the current operating software on the website www gss tv 4 The control panel at a glance 4 1 Menu items Program the cassette using the buttons on the control unit of the head end station The two line display of the control unit then shows the menus The parameters and functions to be set are underlined Use the key to select the following main menu items Cassette Channel strip dcc m Channel Frequency selection Output channel output frequency MODE BOX SELECT MENU SELECT LEVEL RF OUTPUT MODE BUTTON MODE OUTPUT tes MODULATOR OUTPUT MENU RESET CHANNELS MODE BUTTON MODE AUDIO EROS MAIN SUB STEREO Level setting LNB oscillator frequency Input symbol rate Input frequency QAM modulation Stuffing Substitute signal m 4 2 Functions of the control panel buttons The key pad on the head end station is used to scroll through the menus and menu items one at a time scrolls forward through the menus MULTI KG select parame
10. Assembly Instructions English GSS Grundig SAT Systems Head End Digital Modulator HDM 500 C E KLASSE CLASS GSS Phone 49 0 911 703 8877 Grundig SAT Systems GmbH Fax 49 0 911 703 9210 Beuthener Stra e 43 E mail info gss tv D 90471 Nuremberg Internet http www gss tv Contents Safety regulations ct oos entered en sa Dose e eR tite 3 2 General informolion nassen 3 QA Packing c i occu arte ete 3 2 2 Meaning of the symbols used sss 4 2 3 Technical 4 gt een 5 2 5 Sow re Query 5 AW Em 6 3 1 Installing cassettes dace eee t tic ree dete ene 6 kennen 6 3 3 Connecting the cassette saa turi sape Tope sage ks 7 4 The control panel at a glance eere ee tente reete entente tne 8 7 M ME DEN 8 4 2 Functions of the control panel buttons sss 8 5 E 9 NE pm 9 5 2 Notes on level setting eerie astra 9 5 9 Programming proced re 10 5 4 Programming the cassette eter 12 Selecting the Cassette m M 12 Selecting the channel strip sss 1
11. T 5 12 3 24 C07 QPSK C Bx5A DVBT DVBT BD3 C09 HB Bx 4A vi QPSK C 41 Bx 4A OUTPUT Channel Bx 4A OUTPUT 41 on Bx 4A LEVEL 0 dB 4 LNB 10600 MHz A B Bm Bm Channel Freq ED on off Bm 0 10 dB En Bm 10 Bx 4A 27500 SYMBOL DVB S gt Bm Em Bx4A FREQ 11836 CN 12 4 Qa 4A ne 4 256 64 QAM normal BH normal inverse Bx4A STUFFING SR 6900 6325 Bx 4A FAILURE Null Packets Null Packets Single Carrier Bx 4A CIN Anzeige Signalqualit t 12 0 dB 9 6 Display Signal quality 11 5 4 Programming the cassette gt Pressing the button for longer than 2 seconds cancels the pro gramming procedure This takes you back to the program item Selecting the cassette from any menu Any entries that have not been saved are reset to the previous settings gt Entries in the menus can be saved by pressing the I key You are taken back to the Selecting the cassette menu item Switch on the head end station gt The display shows the software version e g V 37 gt The processor reads the cassettes data approx 10 seconds BE Remote V 37 please wait t gt 10s
12. arying the input frequency using the B A buttons e Press the button gt The Testing the signal to noise ratio C N menu is activated Testing the signal to noise ratio In this menu you can estimate the quality of the input signal Em Bx 4A FREQ Bx 4A C N MULTI 11836 1 8 12 12 0 9 6 OK Current signal to noise ratio This value shows the difference between the quality of the input signal and the threshold of the tuner at this type of modulation N At a value lower than 5 picture dropouts can oc cur 3 If OK is shown signal to noise ratio is ok If a value lt 5 is shown under 2 the display changes from OK to In this case test the input signal gt In addition to the indicator in the display there is also a status LED which indicates the quality of the received transport stream LED indicator Indication Status LED Green Signal quality is good Channel strip A Yellow Signal quality is poor Red No signal The channel strip modulator Off is switched off Status LED Channel strip B Press the button to return to the main menu e Press the button gt The Setting the QAM modulation QAM menu is activated Setting the QAM modulation In this menu you can set the QAM modulation and invert the user signal For the setting of 256 QAM the outpu
13. gher You can find the current operating software for the control unit and the cassette the software BE Flash and the current assembly instructions on the website www gss iv The cassette is designed for use in the following head end stations STC 1200 STC 316 STR 19 8 Software query Control unit If necessary you can activate the indication of the software version of the con trol unit manually Press any two keys on the control unit of the head end station simultaneously until the display goes dark and the software version e g V 37 appears 3 Assembly 3 1 Installing the cassette Ensure the head end station is mounted so it will not be able to vibrate A Avoid for example mounting the head end station onto a lift shaft or any other wall or floor construction that vibrates in a similar way Before installing or changing a cassette unplug the power cable from the mains power socket Remove the fastening screws 1 of an unoccupied slot from the bracket of the head end station Insert the cassette in this slot and push it into the housing Align the cassette and apply slight pressure to connect it to the connections of the board and the HF bus bar Fasten the cassette with the 1 screws HG erel elre 19 ogogogogogyo lt oo demo
14. lashing water and dampness somewhere protected from direct sunlight not within the immediate vicinity of heat sources in an ambient temperature of 20 C to 50 C that the head end station is adequately ventilated Do not cover the ventilation slots Beware of short circuits No liability is accepted for any damage caused by faulty connections or inap propriate handling Observe the relevant standards regulations and guidelines on the installation and operation of antenna systems Earth the SAT receiver in accordance with DIN EN 50083 1 EN 60728 11 and VDE 0855 earthed equipotential bonding rail For further information please read the assembly instructions for the head end station used Aid action to prevent static discharge when working on the device 2 General information 2 1 Packing contents 1 cassette HDM 500 C 2 HF cables 1 CD assembly instructions 1 Brief assembly instructions 2 2 Meaning of the symbols used 2 3 Important note General note Performing works Technical data The devices meet the following EU directives 2006 95 EC 2004 108 EC The product fulfils the guidelines and standards for CE labelling HF input Frequency range Level range Input norm Symbol rate HF output Channels Frequency range Output level Output impedance Connections SAT inputs HF output Connection strip 10 pin RS 232 socket 950 2150 MHz 60 dByV 80 dBpV
15. mber 2 is higher than that of number 1 question marks will appear in the display 20 Bx4A STUFFING SR 6900 6950 In this case you can return to the Setting the QAM modula tion menu using the button and increase the QAM modulation e Press the button gt The Setting a substitute signal in the case of an in correct input signal FAILURE menu is activated Setting a substitute signal in the case of an incorrect input signal You use this menu to set whether a Null Packets QAM sig nal or a Single Carrier signal should be provided as an output signal whenever an incorrect input signal occurs Y Bx 4A FAILURE Null Packets Null Packets Single Carrier Use the buttons to set the output signal required Saving settings Press the Y button Going back to Selecting the cassette A page 12 gt The settings are saved gt By pressing the MAA button you will be returned to the menu item Selecting the channel strip via without saving the programmed data page 13 2 21 6 Channel and frequency tables CCIR Band 1 1 Frequency raster 7 MHz Kanal Channel Bildtr gerfrequenz Picture carrier frequency MHz 48 25 55 25 62 25 112 25 119 25 126 25 ROOM RO PN CCIR Hyperband Frequency raster 8 MHz Bildtr gerfrequenz Picture carrier frequency MHz SEIN 08025 5 22
16. t level is in creased automatically 8x 4a QAM 4 256 64 QAM normal ED EB normal inverse Use to set the QAM modulation 4 GAM 256 QAM gt For higher QAM modulation the output symbol rate is lowered An output QAM modulation of gt 64 QAM places a large burden on the cable network Due to noise delay and frequency response problems reception of the converted output signal can be impeded Inverting the user signal For exceptional cases and older digital cable receivers the spectral position of the user signal can be inverted inverse Use to position the cursor under normal Use to set the spectral position to inverse e Press the button gt The Testing stuffing STUFFING menu is activat ed Testing stuffing The output symbol rate is fixed to a value of 6900 kSymb s If the symbol rate being transmitted exceeds this value change to a high order modulation e g from 64 QAM to 256 QAM 4 STUFFING SR 6900 6325 SR 6900 number 1 Output symbol rate Bx4A STUFFING SR 6900 6325 Number 1 Number 2 6325 number 2 Current measured output symbol rate The value will fluctuate as the data rates for indi vidual stations are dynamically altered by the broad casters gt The value of number 2 must not be higher than that of number 1 If the value of nu
17. ters in the menus set values initiate actions INIM selects sub menus m scrolls backward through the menus saves entries 5 1 5 2 Programming Preparation Connect the test receiver to the HF output or the test output of the head end station e Set the output channel output frequency of the cassette page 14 15 and adjust the TV test receiver to this channel frequency e Switch on the channel strip modulator if necessary s page 15 For each channel strip there is a status LED which indicates if the channel strip is switched on _ Status LED Status LED Channel strip Channel strip e Balance the output levels of the channel strips A and B if the difference in level is gt 1 dB page 15 Notes on level setting In order to prevent interference within the head end station and the cable sys tem the output level of the QPSK QAM module must be lowered by 10 dB compared to analogue modulators at 64 QAM and by 4 dB compared to analogue modulators at 256 QAM Measure the output levels of the other cassettes and tune them to a uniform output level using the appropriate level controls or software dependent on the head end station used Please regard the assembly instructions of the respec tive head end station 5 3 Programming procedure Ein Bm BE Remote V 37 please wa t 10s 1A TWIN SA
18. then use the B E buttons to switch off off the modulator gt The switched off modulator is indicated by the display If the modulator is switched off use B E buttons to switch it on on Press the MODE button gt The Adjusting the output levels of the channel strips Level menu is activated Adjusting the output levels of the channel strips In this menu you can set the output levels of the modulators of the channel strips A and to the same value 0 10 15 Measure and note down the output level of the channel strip Save the settings by pressing the Y button Select the other channel strip page 13 measure and note down its output level Activate the LEVEL menu of the channel strip with the higher output level By pressing B E adjust the higher output level of one channel strip to the lower output level of the other channel strip incrementally from 0 to 10 dB e Press the button gt The Setting the LNB oscillator frequency LNB menu is activated Setting the LNB oscillator frequency Set the oscillator frequency of the LNB used in this menu Bx 4A LNB VE 10600 MHz e Use E E to position the cursor under the digit to be set for the frequency display e Press R E to enter the oscillator frequency of the LNB used Press the MODE button
Download Pdf Manuals
Related Search