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the rules of sound

AT

20T

User manual

Manuale d’uso

CONSTANT VOLTAGE LINE VOLUME CONTROL

WITH 20 W TRANSFORMER

ATTENUATORE PER LINEA A TENSIONE

COSTANTE CON TRASFORMATORE (20 W)

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Summary of Contents for AT20T

Page 1: ...the rules of sound AT20T User manual Manuale d uso CONSTANT VOLTAGE LINE VOLUME CONTROL WITH 20 W TRANSFORMER ATTENUATORE PER LINEA A TENSIONE COSTANTE CON TRASFORMATORE 20 W...

Page 2: ...procedere mai all installazione o alla connessione dell attenuatore quando la linea diffusori in tensione 3 Assicurarsi che tutte le connessioni siano corrette verificando che la tensione della linea...

Page 3: ...onori pu provocare la perdita permanente dell udito Il livello di pressione acustica pericolosa per l udito varia sensibilmente da persona a persona e dipende dalla durata dell esposizione Per evitare...

Page 4: ...trasformatore pu essere posizionato all interno della scatola elettrica dove presente il circuito di controllo con il commutatore COLLEGAMENTI ATTENZIONE si raccomanda di rivolgersi a personale quali...

Page 5: ...o direttamente ai morsetti IN IN 0 comune Il livello dell uscita morsetti OUT e OUT selezionato tramite il commutatore a 6 posizioni 5 off COLLEGAMENTO DEL TRASFORMATORE Il jumper JPA va posto nella p...

Page 6: ...00V presenta 3 fili 1 100 V collegato al morsetto IN 2 0 collegato al morsetto IN 3 commutazione 0 funzionamento normale 100 V annunci collegato al morsetto IN 3F Illivellodell uscita morsetti OUT e O...

Page 7: ...ature centrali utilizzando delle tenaglie Forare il falso polo al centro utilizzando un trapano Diametro del foro 12 mm Montare i falsi poli nel telaio portafrutti quello forato va posto al centro Avv...

Page 8: ...bile 20 W Attenuazione 0 dB 3 dB 6 dB 9 dB 12 dB OFF Dimensioni commutatore 35 mm l 53 mm h 68 mm p senza manopola Peso commutatore ca 30 g Dimensioni trasformatore 37 mm l 31 mm h 31 mm p Peso trasfo...

Page 9: ...isk of electrocution never install or connect this volume control when the line is alive 3 Make sure all connections have been made correctly verifying that the line voltage matches the volume control...

Page 10: ...cause permanent hearing loss The acoustic pressure level that leads to hearing loss is different from person to person and depends on the duration of exposure To prevent potentially dangerous exposur...

Page 11: ...trical systems by drilling a hole in a blank key and fixing its control circuit 3 knobs are included in 3 different colours white silver anthracite The transformer can be put inside the wall flush mou...

Page 12: ...ectly connected to the IN and IN 0 common terminals The output level OUT and OUT terminals is selected by means of the 6 position selector 5 off TRANSFORMER CONNECTION Connect the transformer to the P...

Page 13: ...onnected to the IN 3F terminal The output level OUT and OUT terminals is selected by means of the 6 position selector 5 off If necessary the output level can be forced to its maximum by commuting the...

Page 14: ...boxes Remove all ribs if present by using tongs Drill the blank key in the centre Hole diameter 12 mm Mount all blank keys into the frame The drilled blank key shall be placed in the frame centre Scr...

Page 15: ...mm d without the knob Selector weight ca ca 30 g Transformer dimensions 37 mm w 31 mm h 31 mm d Transformer weight 130 g G H I After connecting all wires put the selector and the transformer into the...

Page 16: ...74484 e mail rcfservice rcf it Salvo eventuali errori ed omissioni RCF S p A si riserva il diritto di apportare modifiche senza preavviso Except possible errors and omissions RCF S p A reserves the ri...

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