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FlEXSYS F15 Bedienungsanleitung Seite 10

Professional active speakers
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FLEXSYS F8 - F10 - F12 - F15
FLEXSYS F8 - F10 - F12 - F15
COMMANDS AND FUNCTIONS
AMPLIFIER PANEL
1)
"Balenced Input" - "Link" - "Input 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.
2)
"Ready" INDICATOR LIGHT
This indicator shows green to indicate that the main power voltage is correct.
The LED shows green normal operating conditions.
3)
"Signal" INDICATOR LIGHT
This indicator shows green to indicate the presence of the audio signal (at a level of
-20dB).
4)
"Limiter" INDICATOR LIGHT
This indicator shows red to indicate that the internal limiter circuit has tripped.
This prevents amplifier distortion and protects the speakers against overloads.
5)
"Sensitivity" INPUT SENSITIVITY CONTROL
This control adjusts the sensitivity of the signal amplifier input.
This control does not affect the "Link" - "Input - Link" output level
6)
MODE SWITCH
This two-way switch allows to choose between two different system presets.
The "Flat" position allows linear response of the speaker, which is mainly suitable
for the "live" application.
The "Processed" position emphasizes the low frequency and regulates the mid
frequency. It is suitable for music play back
7)
"Input Sens" SWITCH
Position the switch in LINE to use a line level source (0 dB) or MIC to use a
microphone.
8)
POWER CABLE SOCKET "MAINS"
Used for connecting the power cable supplied.
9)
FUSE CARRIER "FUSE"
Mains fuse housing.
10)
POWER SWITCH "POWER"
This switch can be used to switch the diffuser on and off.
REFERENCE DRAWINGS AT PAGES 49 and 50
17
FLEXSYS F8 - F10 - F12 - F15
FLEXSYS F8 - F10 - F12 - F15
CHARACTERISTICS AND PROTECTION
Front Grille
The speakers's components in the box are protected by 1.2mm metal steel grille covered
by foam on backside.
Cooling
Thermal control is provided by the internal microprocessor which, by means of two
sensors, controls the temperature of the amplifier and of the power supply, avoiding
overheating by limiting the overall volume.
In case of overheating (> 80 degrees) the volume decreases proportionally to the
temperature increase, making the change unnoticeable.
The correct volume and all the functions are automatically restored when standard
operating temperatures are reached.
Switch on
The amplifiers are equipped with a microprocessor to control the DSP and the amplifier.
The correct switch on of the amplifier is ensured by an initialization procedure; during this
test stage, the blue front LED flashes twice and the LEDs ( Limiter , Signal and Ready ),
located on the amplifier module, remain off for approx. 2 sec.
At the end of the switch on procedure, the front LED lights up (if enabled) and on the
amplifier module the Ready green LED only remains steadily on.
"
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In case of severe failure of the speaker, the LED on the front panel flashes several times
and on the amplifier module, the Limiter red LED flashes and the speaker switches to
"
"mute".
Failure indications and safeties
The microprocessor is able to signal three different kinds of failure by flashing the "Limter"
red LED on the amplifier panel before the lighting up of the "Ready" green LED. The three
types of failure are:
1)
WARNING: a non severe error or auto-ripristinate malfunction is detected and the
performance of the speaker is not limited
2)
LIMITATION: an error is detected and the performance of the speaker is limited (the
sound level is reduced by 3dB).
This does not affect the operation of the speaker since it continues to operate.
However, it is necessary to call the service centre to solve the issue.
3)
FAILURE: a severe malfunction is detected. The speaker switches to "mute".
Flashing
Indication
1 or 2
Warning
3 or 4
Limitation
from 5 to 8
Failure
In case of failure, the "Ready" green LED remains off.
Perform the checks listed below:
-
Check if the speaker is properly connected to the power supply.
-
Make sure that the power supply is of correct voltage.
-
Check that the amplifier is not overheated.
-
Disconnect the speaker from the mains power supply, wait for a few minutes and
connect it again.
If after these tests the red "LIMITER" LED is still on, please contact an authorised service
centre.
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F212F315F8F10F12

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