Instruction/ maintenance manual of the product PHDQ 2002 BC Grundig
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A A CLASS CLASS KLASSE KLASSE GSS Grundig SA T Systems GmbH Beuthener Straße 43 D-90471 Nuremberg Phone: +49 (0) 9 1 1 / 70 3 88 77 Fax: +49 (0) 9 1 1 / 7 03 92 1 0 Email: info @gss .
- 2 - - 2 - Contents 1 Saf et y regulat ions ............................................................................................... 3 2 General informatio n .....................................................................................
- 3 - - 3 - 1 Safety regulations Impor tant • Assembly , installation and ser vicing must be carried out by an authorised electrician. • Switch off operating voltage before the star t of assembly or ser vice work or pull out the mains plug.
- 4 - - 4 - 2.2 T echnical data The devices meet the f ollowing EU direc ti ves: 73 /23/E E C, 89 /336/E E C The product fulfils the guideli nes and standards for CE labelling .
- 5 - - 5 - Connec tions: SA T inputs : 2 F- connecto rs HF output: 1 IEC socket , f emale Conne ctio n strip ( 1 0 - pin) : For supply voltages and control cir cuits Socket RS 2 3 2 : Update in terface 2.3 Description The Cassettes convert t wo QPSK - modulated data f lows i nto one QA M - modu - lated data flow .
- 6 - - 6 - 2.3.1 Manual display of the software version If nece ssar y , you can call up the di splay of the sof t ware v ersi on of the control unit manually: • Hold down any two keys of the control unit simultaneously until the display goes dark and the software version, e.
- 7 - - 7 - 2.3.3 Explanation of the term “symbol rate” High- qualit y modulation metho ds li ke QPSK and QA M can encr ypt several bits as a si ngle transferred and received symbol. The user data stream contains the audio and video signals of a station and i s thus permanentl y assigned .
- 8 - - 8 - 3 Assembly 3.1 Installing the Cassette W ar ning Before inserting or changing Cassettes, pull the mains plug of the head end out of the mains socket. • Unscrew the fastening screws from the bracket in the head end. • Inser t the Cassette into a free slot and push it into the housing.
- 9 - - 9 - Note: The operating software of the Cassette can be updated via the socket “RS 232” 3 (9-Pin-Sub-D) by means of a PC or notebook. Use the “ BE-Flash ” software as the update software. Y ou can make drop and pass filter settings in the channel strip “ B ” using the “ MTP ” PC software.
- 10 - - 10 - 5 Programming The following e xamples show how the PHD Q 40 02 B C C a s s e t t e i s p r o g r a m m e d ; the output channels can be set f rom S 2 1 … S4 1 .
- 11 - - 11 - 5.2 The menus at a glance Bx 1A TP-Modul: VERSION: MTP15 Bx 1A S21-S41 DVB-MTP *** S21 Bx 1A C5-12,S3-24 TWIN-SA T C07 Böx 4 C5-12,S3-24 TWIN-SA T C07 Box 2 S21-S41 *** TWIN-QAM.
- 12 - - 12 - 5.2.1 The menu of channel strip B M Bx 1B f=1 183 6 INPUT : -0.4 Bx 1B 2750 0 INPUT : DVB-S ▶ ◀ / + – / ▶ ◀ / + – / Bx 1B f = 10600 MHz LNB-Freq.
- 13 - - 13 - 5.3 Cassette programming • Switch on the head end. —> The display sho ws the sof t ware v ersion of the head end (e. g . V .34 ) .
- 14 - - 14 - T o quer y software versions: - Sof t ware vers ion and t ype of t he Cassette: Pre s s the but ton once. - Sof t ware versi on of the TP module: Pre s s the but to n t wic e. - Return to mai n menu : Pre s s the but ton again . • Press the but ton.
- 15 - - 15 - Bx 1A 1 12.0000 MHz OUTPUT : Bx 1A Modulator: OUTPUT : on ▶ ◀ / + – / The Q A M signal is tran smitted with a b andwidth of 8 MHz. Thi s means that you can only use the channel centre fre - quency of the existing chan nel raster in the r ange of chan- nels S 2 1 … C6 9 ( frequency raster 8 MHz) .
- 16 - - 16 - Pres s t he but ton. —> The menu “Setting the LNB oscillator frequency” – “ LNB-Freq .: ” is activated (p age 1 8 ) . or • Press the but ton. —> The sub menu “ M odulator set tings ” – “ OUTPUT : Modul ator ” i s activated.
- 17 - - 17 - strip . Thus y ou can measure the absolute output l evel us ing a analogue test rec eiver . • Measure the out put level of the channel strip us ing the con- necte d antenna test rec eiver .
- 18 - - 18 - • By press ing set the spe ctral position “ normal ” or “ inv erse ”. • Press the but ton. —> The menu “ QA M monitoring ” – “ MODE: Ueberwac hun g ” is activated.
- 19 - - 19 - Setting the input symbol rate and the DVB mode Setting the symbol rate The symbol rate “ SR ” of the satellite transponder can b e found in the current tran sponder tables of t he vari ous satel - lite trade magazi nes or in the webs ites of the according progr am pro vi ders .
- 20 - - 20 - Setting the input frequency (transponder frequency) Note s : – If thr ee dots “ … ” appear in the second line of the display , the Cassette is in the “ stat ion se arch ” mode.
- 21 - - 21 - Note : At a value lo wer than “ 5 ” picture dr opouts can occur . 3 If “ OK ” is shown , the signal to noi se ratio i s ok. If a value < 5 is shown under 2 the display changes fro m “ OK ” to “ !! ”. • Press the but ton —> R eturn to the main menu .
- 22 - - 22 - Setting the stuffing (only Bx…A) SR=6 900 (= “ number 1 ”) : Active output symbol rate Bx 1A SR=6900 (6531) STUFFING: Zahl 1 Zahl 2 Number 1 Number 2 ( 653 1 ) (= “ number 2”) : The current measured output symbol rate. If the station filter is activated, thi s value i s low er than the value of the “ number 1 ” .
- 23 - - 23 - Is the “ number 1 ” lower than “ number 2” exclama- tion marks “ !! ” app ear in the display . Bx 1A SR=6250 (6531) !! STUFFING: Saving settings • Press the M but ton. —> Return to “ Selecting the Cassette” A (pa ge 1 3) .
Alt era tio ns res er ve d. Technic al d ata E. & O.E. © by GSS G mbH 26032006.
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