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Bose FreeSpace 4400 Manual

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6.0 FreeSpace
®
4400 System Setup
6.3 System setup procedure
The first time you turn on a FreeSpace 4400 system it loads its
factory (default) configuration settings. These settings were
stored in the FreeSpace 4400 when it was manufactured. Once
your PC is fully connected to the FreeSpace 4400 system, you
can use the FreeSpace 4400 Installer™ software to make
changes to the factory configuration settings.
The configuration contains the “start-up” settings for the
FreeSpace 4400 system. Once your work is completed and
flashed to the FreeSpace 4400 hardware, the new settings
become the startup configuration.
1. Select Output Gain for each zone and mute the output. This
prevents any damage to loudspeakers during this proce
-
dure. This also allows you to work without disturbing any
other people in your work area. See “Output gain” on this
page.
2. Set up the ZONE for each output channel. Choose a
Speaker EQ (default is No EQ) for the speakers you are
using. You can use the Subzones table to document your
subzones. See
“Zone setup” on page 36.
3. Set up the Input Gain controls for each source. Choose set-
tings for input type, gain, and source leveling. If the input
type is set for microphone use, you can turn phantom power
(+12V) on or off. See “Input gain” on page 37.
4. Set up the Output Gain controls for each zone. Set the min-
imum/maximum gain (volume) limits and the initial gain level.
See “Output gain” on this page.
5. Select Source Assign for each zone and assign sources for
each. See “Source assign” on page 39.
6. Set up the source EQ for AUX MIC/LINE 3 and
PAGE/MIC/LINE 4 inputs. See “Source EQ” on page 40.
7. Select Page Set Up. See “Page setup” on page 40.
8. Select EQ for each zone. See “Zone EQ” on page 42.
9. Select the Dynamic EQ state for each zone. See “Dynamic
EQ” on page 43.
10. Set up Auto Volume. See “Auto Volume” on page 43.
11. Create a System Schedule. See the “Set Up Schedule
mode” on page 30.
12. Click the flash configuration button in the upper toolbox. You
will be asked to confirm that you want to save the configura
-
tion to the FreeSpace 4400 hardware. Once you confirm, the
configuration and scheduling settings are sent to the
FreeSpace 4400 system.
A copy of the FreeSpace 4400 Installer™ software design file
is also sent to the hardware.
6.3.1 Output gain
The controls in the Output Gain control panel allow you to control
the amplifier output of the FreeSpace 4400 system.
Factory default settings
Output gain circuit block diagram
Output gain setup sequence
1. Set the maximum output gain.
This sets the maximum allowed volume within a zone. Play a
source that will be used in that zone and raise the volume
slider to the zero level. If it is too loud, lower the maximum
gain stop.
Programmer’s Note: If the source still plays too loud at
the –30 dB setting, you should lower the tap setting on
your loudspeakers for optimal system performance.
Gain Max. Gain Min. Gain Page Gain Mute
–20 dB 0 dB –60 dB –20 dB Off
Max. gain
stop
Clipping
indicator
Gain Slider
(Volume)
Min. gain
stop
Mute
selection
Signal level
meter
Page gain
setting
Page gain
button
Gain
adjustment
Signal
level
meter
Clipping
detector
… 38 …


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