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AudioBeam
Bedienungsanleitung
Instructions for use
Notice d‘emploi
Instrucciones para el uso
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Instructions for use Contents How AudioBeam works ..................................................................................... 12 Safety instructions ............................................................................................ 12 Connections and operating controls .............................................................. 13 Mounting AudioBeam ....................................................................................... 14 Putting AudioBeam into operation .
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How AudioBeam works How AudioBeam works AudioBeam is an acoustic spotlight. This means: ! AudioBeam is able to focus sound – either directly or via reflections on a surface. This allows e.g. information in museums and at exhibitions to be radiated directly from the exhibits – only visitors standing directly in front of an exhibit are addressed. ! AudioBeam limits sound reproduction to precisely defined areas – adjacent areas are kept sound-free. This allows e.g. the soundtrack from a video to b
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Connections and operating controls Connections and operating controls Delivery includes: ! AudioBeam ! 3 mains cables with plugs ! Interchangeable thread 5 " 3 " / to / 8 8 ! Instruction manual ! Document of warranty INPUT OVERLOAD OUTPUT LED operation indicator: green: AudioBeam is operational (standby) red: AudioBeam is not operational Sensitivity selector switch (+6 dBm, –14 dBm) On/off switch for distance sensor (it is vital to observe the warning on page 15!)
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Mounting AudioBeam Mounting AudioBeam Correct mounting location Warning! Failure to comply with the following location conditions may result in danger to persons and damage to AudioBeam! When mounting AudioBeam, make sure that: ! the ultrasonic sound wave can travel undisturbed for at least 1 m before it strikes the first surface. ! the sound (including the reflections) can travel for at least 4 m before it strikes a human being ! a minimum distance of 10 cm is maintained between AudioBeam and a
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Putting AudioBeam into operation Warning! If you turn off the built-in distance sensor, persons who come closer than 4 m to AudioBeam may be in danger from ultrasound. Always ensure that nobody can come closer than 4 m to AudioBeam across the entire rotating range! ! To do this, mount AudioBeam at a height of more than 7 m. ! If necessary, take the appropriate structural measures (barriers) to keep people away. Disconnect AudioBeam from the mains. Set the On/Off switch for the distance senso
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Troubleshooting Troubleshooting If the LED operation indicator lights up red, one of the following problems may have occured: The distance sensor has triggered 1. Someone has entered the security area of 4 meters in front of or around AudioBeam and the distance sensor has triggered. After the person has left this area, AudioBeam automatically turns on again after 30 seconds. 2. You are operating the device in rotating mode and the distance sensor has triggered because objects or persons are
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Specifications Specifications AudioBeam Master: Modulation: wideband AM Carrier frequency: 40 kHz Peak limiter: limiter amplifier Audio channels: 1 Audio input: XLR-3F socket, balanced, DC-isolated Input level for max. peak SPL: +6 dBm (1.55 V) = upper switch position –14 dBm (150 mV) = lower switch position Switching threshold: –46 dBm (4 mV) = upper switch position –66 dBm (0.4 mV) = lower switch position Impedance: 600 Ω Sound pressure level: 75 dB ± 5 dB (at a distance of 4 m) Output: 1 x BN
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Sennheiser electronic GmbH & Co. KG 30900 Wedemark, Germany Phone +49 (5130) 600 0 Fax +49 (5130) 600 300 www.sennheiser.com Printed in Germany Publ. 06/04 89056 / A02
