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Putting AudioBeam into operation
15
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 sensor » to the lower
position (OFF).
̈ Reconnect AudioBeam to the mains.
Putting AudioBeam into operation
̈ Ensure that AudioBeam is not connected to the mains!
̈ Use the sensitivity selector switch · to adapt AudioBeam’s input
sensitivity to the audio source:
! Sources with a high output power (e.g. mixing console, CD or DVD
player): upper position (+6 dBm)
! Sources with a low output power (e.g. portable mini disk player):
lower position (–14 dBm)
̈ Use an XLR-3 cable to connect the audio source (e.g. CD or DVD player,
mixing console, receiver of a wireless microphone) to the audio input
INPUT ¿.
AudioBeam automatically emits ultrasound as soon as an audio signal
(see “Specifications” on page 17) is present at the audio input
INPUT ¿.
̈ Use the mains cable to connect AudioBeam to the mains. Secure the
mains cable with the steel clamp µ.
The LED ³ lights up green, indicating that AudioBeam is ready for
operation (standby).
Note:
If you do not use the unit, pull the mains connector out of the wall
socket. This helps to increase the service life of AudioBeam and save
energy.
»
µ
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INPUT OUTPUT
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