Manuale d’uso / di manutenzione del prodotto MVG 10 del fabbricante Kathrein
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Operator's manual Video Sweep Generator MVG 10 Order no.: 208 320.
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Preface 3 Preface Dear customer, This handbook aims to help you use the various functions of the MVG10 in the optimal manner. Please pay attention to all instructions. Kathrein-Werke KG has made every effort to ensure the information and descriptions are correct and complete.
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Contents 5 Contents Preface ........................................................................................................................ .............................3 Contents ..............................................................
Safety notes 6 Safety notes Validity of handbook This handbook is valid for MVG 10, order no.: 208 320. The following notes are import ant for operating the MVG 10 and should be observed under all circumstances.
Safety notes 7 Safety notes Alw ay s observe the VDE safety regulations. Observe the maximum permissible signal feed-in level. Neither DC voltage nor low-frequency AC voltage may be applied to the RF port. Only use fuses with the same cut-out characteristics.
System description and usage 8 System description and usage The MVG 10 Video Sweep Generator is designed to selectively sweep and measure the forward path and return path of television cable installations without interfering wi th the connected subscribers.
System description and usage 9 Downstream measurement: 47…860 MHz Head-end (or transfer point) Transfer point (or terminal outlet) Cable installation with return path-capable amplifiers Upstream measurement: 4.
System description and usage 10 The spectrum at the head-end can be printed out from the MSK 33 (1) using the print command "Prt 999" on the MVG 10 (1).
Views, connections and controls 11 Views, connections and controls Left-hand side Scart soc ket Right-hand side RS232 socket Power supply Frontal view RF output Display Keypad.
Button functions 12 Button functions The following information explains the operation of the MVG 10. Please use the illustration of the operating concept for assistance. Button Function Display On Off 1. Switch on unit when depressed briefly The upper display appears first, then the lower display with the last function that was set 2.
System settings 13 System settings We recommend checking the factory settings before initial start-up. Please use the operating concept on page 2 for help w ith understanding the operating sequence.
System settings 14 Display units ▼ W X + - + System baud rate ▼ setting not possible Transmission readiness ▼ setting not possible Confirm entries Menu Select System.
Noise generator 15 Noise generator The noise generator is used for measuring cable installations or sections of cable installations that are not yet occupied with programming. It generates a broadband noise to evaluate the frequency response in the range from 4 MHz to 1 GHz.
Signal generator 16 Signal generator The signal generator is needed to transmit test signals and the screen view from the MSK 33 during "Comfortable Up/Downstream measurement" (see system description).
Signal generator 17 Enter transmission frequency directly followed by "Enter" Channel frequency inputs with incorrect entries after the point are not accepted! or 0 9 see above Channel e.
Sweep generator 18 Sweep generator The sweep generator is used to sw eep in 10 preset frequency ranges (measuring profiles). The profiles can be programmed to free ranges depending on the channel allocation in the cable network, so that measurement is possible without in terrupting or interfering with programmes.
Sweep generator 19 Enter start frequency ▼ W X + - + Enter frequency directly or 0 9 see above Enter end frequency ▼ W X + - + Enter frequency directly or 0 9 see above 50-kHz steps from o.
Sweep generator 20 Clear screen presentation on MSK 33 with "Enter" ▼ X + + + Command to clear spectrum received by MSK33 (MVG10 tracking) ▼ Enter control printout number (up to 3 digits), confirm with "Enter" and run with "Enter" X + + + 0….
Sweep generator operating concept 21 The respective FreqRange (frequency range) can be selected using numbers 0…9. Prt prints out at MSK33 Fkt A sets UScart at MSK33 Fkt B CVBS input at MSK33 Clear clears the screen of MSK33 (Switchover Rec 0/1) (ext.
Channel sweep generator 22 Channel sweep generator The channel sweep generator is used to sweep in 10 preset ranges. The channels can be programmed to free ranges depending on the channel allocation in the cable network, so that measurement is possible without interrupting or interfering with programmes.
Channel sweep generator 23 Enter start channel Special channels with press · S-Ch first! ▼ W X + - + Enter channels directly or 0 9 see above Enter end channel Special channels with press · S-.
Channel sweep generator 24 Set standards B/G, D/K, I, M, Mj, H ▼ W X + - + Set the pre-programmed channel ranges to be processed (0…9) ▼ Command to clear spectrum received by MSK33 (MVG10 tracking) ▼ Enter control printout number (up to 3 digits), confirm with "Enter" and run with "Enter" X + + + 0….
Channel sweep generator operating concept 25 The respective ChanRange (channel range) can be selected using numbers 0…9. Setting modulation type Prt prints out at MSK33 Fkt A sets UScart at MSK33 Fkt B CVBS input at MSK33 Clear clears the screen o f M S K 3 3 (Switchover Rec 0/1) (ext.
Recall 26 Recall The "Recall" setting is used to call up the setting stored at addresses 0…9 and start the measuring process. Please use the operating concept on page 2 for help w ith understanding the operating sequence.
Technical appendix 27 Technical appendix Technical data Frequency range: 4.0 MHz...1000 MHz Frequency adjustment: 50 kHz Frequency resolution: 62.5 kHz Display: LCD alphanumeric 2 x 16 characters, bar.
Inte rnet: www.ka thre in.d e KATHREIN-Werke KG phone +49 8031 184-0 Fax +49 8031 184-306 Anton-Kathrein-Straße 1-3 P.O. Box 100 444 83004 Rosenheim GERMANY 936.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Kathrein MVG 10 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Kathrein MVG 10 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Kathrein MVG 10 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Kathrein MVG 10 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Kathrein MVG 10, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Kathrein MVG 10.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Kathrein MVG 10. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Kathrein MVG 10 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.