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Operating Precautions; Protection System - dB Technologies OPERA 110 MOBILE Bedienungsanleitung

Lautsprecherbox
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OPERATING PRECAUTIONS

-
Do not force the amplifier incorporated in the speaker to work in overload for extended
periods of time.
-
Never force the control elements (switches, controls, etc.).
-
Do not use solvents, alcohol, benzene, or other volatile substances for cleaning the
exterior parts of the speaker.
CAUTION
-
Make sure that the speaker is positioned in a stable and secure way in order to avoid
any dangerous conditions for persons or objects.
-
Do not situate the speaker in areas subject to high-intensity vibrations or places that
are particularly exposed to dust or dampness.
-
When using the speaker outdoors, avoid positions that are directly exposed to harsh
weather.
-
To ensure efficient cooling of the final stages of the amplifier, situate the speaker in a
well-ventilated position which is not exposed to direct sunlight and is far from any
source of heat
CONNECTION
CAUTION
-
For connecting the speaker, use only qualified and experienced personnel having
sufficient technical knowledge or specific instructions for making the connections
correctly and thus preventing electrical dangers.
-
To prevent the risk of electrical shock, the speaker must only be supplied from the
mains after all connections have been completed.
-
Before powering up the speaker, it is advisable to re-check all the connections,
making sure in particular that there are no short circuits.
-
The entire sound system must be designed and installed in compliance with the
current standards and regulations regarding electrical systems.
NOTE
To prevent inductive phenomena from giving rise to hum or disturbance which would
jeopardize efficient seaker operation, the cables that transmit microphone signals or line
level signals (e.g. 0 dB/V) must be screened and should not be run in the vicinity of:
!
Equipment that produces strong magnetic fields (e.g. large power supply
transformers)
!
Electrical energy conductors
!
Lines that supply speakers.
AC SUPPLY
CAUTION
-
Before supplying the speaker, make sure that your mains voltage corresponds to the
value indicate on the rear panel of the speaker.
-
Connect the speaker to current outlets having an earth contact.
-
For connecting to the mains, use the cable supplied with the speaker, which should
first be connected to the socket on the speaker.

PROTECTION SYSTEM

The speaker is equipped of a exclusive system, which protects the loudspeakers against
overheating, ensuring the maximum reliability in all professional applications. In addition, a
sophisticated system incorporated in the amplifier handles the limiter circuits and the
protection against overheating and short circuits.
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TABLE OF CONTENTS
1.
CONTROLS AND FUNCTIONS ..........................................................x
2.
POWER SUPPLY ................................................................................X
2.1
Battery power supply ...........................................................x
2.1.1
First charge..........................................................................x
2.1.2
Subsequent charging...........................................................x
2.2
Battery protection.................................................................x
2.3
Mains power supply .............................................................x
3.
RADIO MICROPHONE .......................................................................X
4.
USE .....................................................................................................X
4.1
Inputs ...................................................................................x
4.1.1
CD-AUX input ......................................................................x
4.1.2
MIC/LINE inputs...................................................................x
4.1.3
Radio microphone................................................................x
4.2
Volume and tone control ......................................................x
4.3
Outpus .................................................................................x
5.
TECHNICAL SPECIFICATION ...........................................................X
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