Operation; Adjustment Of The Signal Processor; Installation Of The Pc Software; Installation Of The Usb Driver - IMG STAGELINE L-RAY/1000 Manual De Instrucciones

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12
4.2.2 Connection
1) As a signal source, connect an audio unit with
line output (e. g. mixer, preamplifier, etc.) to
the XLR jack LINE INPUT (12) of the first
bass speaker unit. The XLR jacks are bal-
anced, but they may be connected in an
unbalanced way via corresponding adapters.
2) Connect the output LINE OUTPUT (11) of the
first bass speaker unit to the LINE INPUT
(12) of the second bass speaker unit. Con-
nect the LINE OUTPUT of the second bass
speaker unit to the input of another bass
speaker unit until all bass speaker units are
connected.
3) Connect the jack IN on the rear side of the
first mid-high range speaker unit to one of the
jacks MID / HIGH OUTPUT (4) of the first bass
speaker unit.
Connect the plugs to the corresponding
jacks and turn them clockwise until they lock.
To remove the plug, pull back the safety latch
on the plug and turn the plug counter-clock-
wise.
4) Connect the jack OUT on the rear side of the
first mid-high range speaker unit to the jack
IN of the next mid-high range speaker unit.
Connect the second mid-high range speaker
unit to the third and the third to the fourth in
the same way.
5) As described in steps 3 and 4, also connect
the other bass speaker units to one mid-high
range speaker unit each and this unit to three
further units as a maximum.
Important: Never connect more than four
mid-high range speaker units to one bass
speaker unit, otherwise the bass speaker unit
will be overloaded!
6) If desired, connect a data line from a PC to
the jack USB (7), RS-232 (8), or RS-485
INPUT (5) of the first bass speaker unit.
For the combination of several systems, a
connection via RS-485 is recommended as
the signal can be fed via the jack RS-485
OUTPUT (6) to the jack RS-485 INPUT of the
respectively next bass speaker unit (compare
chapter 6). The output RS-485 OUTPUT of
the last bass speaker unit of the chain should
be terminated with a 120 Ω resistor, espe-
cially if longer control cables are used. Solder
the resistor (> 0.3 W) to the pins 2 and 3 of an
XLR inline jack and connect the inline jack to
the RS-485 output, or use a corre spond ing
terminating plug (e. g. DLT-123) with adapter
(inline jack – inline jack, e. g. NTA-113).
Note: If the L-RAY system is connected both
to a computer and to units which are earthed
via the mains cable (e. g. mixer), hum inter-
ference may occur due to ground loops. To
eliminate this interference, the audio connec-
tion may be led via a ground isolator (e. g.
FGA-202).
7) For power supply, connect the units via the
Powercon jack (3) to the 230 V mains
(
chapter 4.1.2, step 6).

5 Operation

1) Switch on the signal source connected.
2) Switch on the PA system with the mains
switch POWER (1) on the rear side of each
bass speak er unit. The switch lights up to
indicate operation.
3) Adjust the volume with the control LEVEL
and, when using several systems, adjust the
volume ratio of the systems with each other.
[The volume can also be changed via the
remote control option of the signal processor
(
chapter 6.5).]
If the LED PEAK (10) lights up, the input
level is too high; turn back the control corre-
spondingly.
CAUTION Never adjust a very high volume.
Permanent high volumes may
damage your hearing! The human
ear will get accustomed to high
volumes which do not seem to be
that high any more after some
time. Therefore, do not further
increase a high volume after get-
ting used to it.
6 Adjustment of
the Signal Processor
The bass speaker unit is equipped with a digital
signal processor (DSP). On the one hand, this
processor serves for splitting the signal to the
bass speak ers and the mid-high range speaker
unit, on the other hand it offers versatile possibil-
ities for equaliz ing the frequency response,
readjusting the delay time, and limiting the
dynamic range. Due to its factory configuration,
the DSP is ready for operation. For modifying the
adjustments, e. g. for adapting the system to the
room acoustics, the supplied PC software and
three different interfaces can be used to connect
a PC: USB (7), RS-232 (8), RS-485 (5 and 6).
The control via RS-485 has clear advantages
compared to the other two interfaces: Much
longer cables are possible and the connection
can each be fed through via the jack RS-485
OUTPUT (6) to the RS-485 INPUT (5) of the next
system.
As it is possible to name the systems indi-
vidually, up to 10 systems may be configured
separately via the same data bus by the control
program.

6.1 Installation of the PC software

The system requirement for the installation of
the supplied control program is a PC with the
oper ating system Windows 98 SE or higher and
a USB, RS-232, or RS-484 interface. The mini-
mum screen resolution should be 1024 × 768
pixels. For the installation of the PC software,
start the installation program "Active Speaker
Controller [...] .msi" on the supplied CD and fol-
low the instructions of the installation program.

6.2 Installation of the USB driver

A special driver is required for the connection via
the USB interface. This is available on the sup-
plied CD. The search path for the driver is
requested in the installation dialogue which
appears on the screen after connection to the
USB interface. Then select the directory
DRIVER on the CD. The matching driver is then
automatically installed.

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