dB Technologies Opera Live 205 Manual del usuario - Página 5
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- 1. Safety Instructions
- 2. Important Notes
- 3. Operating Precautions
- 4. Protection System
- 5. Commands and Functions
- 6. Amplifier Panel Facilities
- 7. Speaker Front Facilities
- 8. Technical Specifications
- 9. Dimensions Diagram
- 10. Uses and Installation
- 11. Figures
- 12. Frontal Box Diagram
- 13. Connections
- 14. Block Diagram
COMMANDS AND FUNCTIONS
AMPLIFIER PANEL (FIG. 1)
1)
"VOLUME" CONTROL
The knob regulates the diffuser's volume.
This control does not affect the output "LINK" levels.
2)
"INPUT SENSITIVITY" SENSITIVITY SWITCH
Position the switch in LINE to use a line level source (0 dB) or MIC to use a
microphone.
3)
"LIMITER-PROTECTION" INDICATOR LIGHT
The "LIMITER-PROTECTION" indicator light comes on red during start (for a few
seconds) and when the internal audio limiter engages. This avoids the amplifier's
distortion and protects the loudspeakers against overloads.
4)
"POWER ON - READY" INDICATOR LIGHT
The "POWER ON - READY" indicator light comes on green to indicate that the
amplifier is switched on and it is working properly.
5)
EQUALIZATION CONTROL
This control permits the equalization of the speaker.
The "FLAT" central position permits a linear sound reproduction of the speaker. By
turning the control towards "VOICE", the response curve of the speaker highlights
the mid frequencies while if the control is turned towards "MUSIC", the low and high
frequencies are highlighted.
This control does not affect the level of the output signal (link).
6)
"BALANCED INPUTS LINK" CONNECTORS
These balanced inputs can be used to connect balanced or unbalanced
microphones or audio sources at line level (0dB) (eg. preamplifier, mixer, recorder,
CD player, musical instrument, ...).
The balanced connector is connected in parallel and can be used to send the audio
signal to other amplified speakers, recorders or supplementary amplifiers.
7)
POWER SWITCH "POWER"
This switch can be used to switch the diffuser on and off.
8)
POWER CABLE SOCKET "MAINS"
Used for connecting the power cable supplied.
9)
FUSE CARRIER "FUSE"
Mains fuse housing.
10)
VOLTAGE CHANGE "VOLTAGE SELECTOR"
For changing the power voltage of the speaker (240/120V).
This switch is preset and protected by the manufacturer.
SPEAKER FRONT (FIG.2)
1)
INDICATOR LIGHT
The blue indicator light indicates speaker start.
8