Manuale d’uso / di manutenzione del prodotto VR21 del fabbricante EAW
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V R 2 1 V R 5 1 Passive Full-Range Loudspeakers INSTRUCTION MANUAL.
2 – VR21 and VR51 VR21 and VR51 – 3 1. SAFETY INSTRUCTIONS 1. Read these instructions. 2. Keep these instructions. 3. Heed all warnings. 4. Follow all instructions. 5. Do not use this apparatus near water . 6. Clean only with a dry cloth. 7. Do not block any ventilation openings.
2 – VR21 and VR51 VR21 and VR51 – 3 14. Rigging Precautions: When mounting or suspending EAW Commercial loudspeaker enclosures, it is essential that load ratings, rigging techniques, and special safety considerations be appropriate for the installation.
4 – VR21 and VR51 VR21 and VR51 – 5 2. INTRODUCTION Congratulations on the purchase of your new EAW Commercial loudspeaker . Y ou now own one of the nest professional audio products available – the result of exceptional engineering and meticulous craftsmanship.
4 – VR21 and VR51 VR21 and VR51 – 5 3. INST ALLA TION Unpacking and Inspection Visually inspect the outside of the shipping carton and check for any damage.
6 – VR21 and VR51 VR21 and VR51 – 7 Horn Rotation Instructions • The high-frequency horn can be rotated through 90 degrees to allow you to choose the best horn pattern for your installation. From the factory , the horn is set to give a 90 degrees horizontal pattern if the loudspeaker is mounted vertically .
6 – VR21 and VR51 VR21 and VR51 – 7 7. Install the horn assembly to the enclosure using the 8 Allen bolts. 8. Replace the grille and secure the screws holding it to the enclosure. 4. CONNECTIONS W ARNING: T o prevent the risk of electric shock, do not connect the loudspeaker with the amplier switched on.
8 – VR21 and VR51 VR21 and VR51 – 9 Precautions • T o prevent inductive phenomena causing humming or distortion, the speaker cables should not be run together with electrical energy conductors, microphone cables, or line-level audio lines.
8 – VR21 and VR51 VR21 and VR51 – 9 5. OPERA TION Signal Processing Sometimes external signal processing is desirable to “voice” the loudspeaker to accommodate particular program material, less than optimum acoustics, feedback control, or personal taste.
10 – VR21 and VR51 VR21 and VR51 – 11 6. SPECIFICA TIONS Model VR21 VR51 Woofer 12” x 1 15” x 1 Woofer Loading Bass reex Bass reex T weeter 1.
10 – VR21 and VR51 VR21 and VR51 – 11 30 0 6.8 7" (17 4. 6) 30. 00 " (76 2. 0) 26. 10 " (66 2. 9) 13. 00 " (33 0. 2) A 13.35" (339.0 ) 19. 40 " (49 2. 7) 3.39" (86.0) 15.94" (405.0 ) 14. 09 " (35 7. 9) 18.
12 – VR21 and VR51 VR21 and VR51 – 13 PERFORMANCE GRAPHS VR51 Impedance vs Frequency VR51 Beamwidth vs Frequency VR51 Axial Response vs Frequency VR21 Impedance vs Frequency VR21 Beamwidth vs Freq.
12 – VR21 and VR51 VR21 and VR51 – 13 7. TROUBLESHOOTING Loudspeaker difculties usually fall into one of the following categories. The causes for each are listed in the most likely order of probability . No Sound or Low Output • Loudspeaker cables or connectors are not wired correctly or are faulty .
14 – VR21 and VR51 VR21 and VR51 – 15 8. SERVICE and MAINTENANCE Maintenance Usually , your EAW Commercial loudspeaker will not require regular maintenance for normal use. However , you can do several things to keep your loudspeaker in good operating and cosmetic condition.
14 – VR21 and VR51 VR21 and VR51 – 15 5. T ech Support will tell you where to ship the unit when you call for a Service Request Number . We suggest insurance for all forms of cartage.
EAW Commercial | One Main Street | Whitinsville, MA 01588 USA TEL toll free within US/Canada 888.337.7404 | TEL outside US 425.892.6503 | FAX 425.485.1152 www .eawcommercial.com © 2004 LOUD T echnologies Inc. All Rights Reserved. EAW Commercial is a registered trademark of LOUD T echnologies Inc.
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 EAW VR21 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 EAW VR21 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso EAW VR21 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul EAW VR21 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il EAW VR21, 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 EAW VR21.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il EAW VR21. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo EAW VR21 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.
