Crown CDi 4000 Operation Manual page 9

NAVIgATINg THE LCD SCREEN MENU: Input Mode: The options are
BASICS
• CH1+CH2 (Ch.1 input signal and Ch. 2 input
To step through the Menu options, press the Sel, signal are summed and fed to both output
Next or Prev buttons as described in the table channels.) This provides a 6 dB level boost.
later in this manual.
• INPUT Y (Ch. 1 input signal goes to Ch. 1 and
ICONS illuminated at the top of the screen show Ch. 2 output. Ch. 2 input signal is ignored.)
which DSP functions are active with the current
• STEREO (Ch. 1 input goes to Ch. 1 output. Ch. 2
preset.
input goes to Ch. 2 output.)
When you are modifying a preset, its ICON flashes.
XOV (Crossover): The available crossover
You can scroll through its settings with the Prev
frequencies are: OFF, 90 Hz, 100 Hz, 1200 Hz, 1500
and Next buttons. When you see the desired
Hz, 2000 Hz, 2-CH SUB, CUSTOM.
setting, select it by pressing Sel.
When you call up the XOV process, Ch.1
Doing nothing returns you to the CURRENT will always be set to low frequencies and
PRESET after ten seconds. Ch. 2 will always be set to high
frequencies. DO NOT con nect high-
In the LCD screen, if the PRESET icon is lit, the
frequency drivers to Ch. 1.
current pre set is unchanged from its stored
settings. If the CUSTOM icon is lit, the current EQ (Equalization for Ch. 1 or Ch. 2): The
preset has been changed from its stored settings. options are OUT or IN. When set to "IN",
equalization that you set up in System Architect
software is applied to the signal. When set to
USER PRESETS: The CDi amplifier provides 19
"OUT", equalization is bypassed.
user presets which you can modify. For example,
set up a user preset with a specific crossover DEL (Delay for Ch. 1 or Ch. 2): The delay times
frequency and a specific limiting threshold. are OFF, 1-10 msec, 10-50 msec, and 0 sec. "0
sec" is a placeholder for any delay time set in
System Architect soft ware.
DSP PROCESSES
The CDi amplifier includes a number of DSP
processes, which appear as ICONS on the screen. BRg (Bridge-mono or Stereo): Use this
They are described below: option to set the amplifier to bridge-mono or
stereo mode. When BRIDGE is active, the Ch. 1
Output Mode: The options are:
input signal is used (unless you made an
• 70V (70V/high-Z mode for Ch. 1 or Ch. 2)
alternate setting with the Y processing block).
• High Z – Channel is configured for 70V/high-Z
The tables on the next few pages describe what
loads.
button sequence to press in order to achieve
(A 70Hz high-pass filter is automatically enabled
various functions. Four identical tables are
whenever 70V is on.) It is a 24 dB/octave
provided, each in a different lan guage, for easy
Linkwitz-Riley filter in the crossover section.
use in the field.
• Low Z – Channel is configured for low-Z loads.
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CDi Series Power Amplifiers
MENU TREE
Power-up
CURRENT PRESET
Sel
Press Next to see
Next or Prev
FLASHING "PRESET" TEXT FLASHING "CONFIG" TEXT each processor's
Sel options, then press
Sel
Sel to select an option.
Next
FLASHING "PRESET" ICON
Next
HIGH Z
Sel
70V Ch. 1
LOW Z
Prev
Sel
Next
HIGH Z
70V Ch. 2
LOW Z
PRESETS
Prev
(TEXT on screen) DSP PROCESSES
(ICONS on screen)
CH1+CH2
Next Next
Y INPUT Y
DSP OFF
STEREO
Sel
Next
USER PRESETS
2-20
Next OFF, 90 Hz, 100 Hz, 1200 Hz,
XOV
1500 Hz, 2000 Hz, 2-CH SUB,
Next
Sel
CUSTOM
Next
Sel
EQ OUT
EQ Ch. 1
EQ IN
Prev
Sel
Next
EQ OUT
EQ Ch. 2
EQ IN
Sel Prev
Next
CURRENT OFF, 50, 40, 30,
DELAY Ch. 1
20,10, 9, 8, 7, 6, 5, 4, 3, 2, 1
Sel
Doing nothing returns you to the
Next
CURRENT OFF, 50, 40, 30,
CURRENT PRESET after a timeout delay. DELAY Ch. 2
20,10, 9, 8, 7, 6, 5, 4, 3, 2, 1
Starting from the CURRENT PRESET, Sel
Sel > Sel > Next goes to presets.
Next
LIM Ch. 1 OFF, -3dB, -6dB, -12dB
Sel > Next > Sel lets you
Sel
configure the DSP processes.
Next
LIM Ch. 2 OFF, -3dB, -6dB, -12dB
Sel
Next
BRIDGE
STEREO/BRIDGE MONO
STEREO
Sel
Prev
Operation Manual
CDi Series Power Amplifiers
HOW TO ACCESS PRESETS AND DSP PROCESSES
DESIRED FUNCTION
Set up Ch. 1 output for 70V/high-Z mode
Set DUAL or BRIDGE-MONO mode manually
Select a user preset
Set INPUT Y mode
Turn EQ on or off for Ch. 1 or Ch. 2
Set DELAY for Ch. 1 or Ch. 2
Set LIMITING for Ch. 1 or Ch. 2
Turn off all the DSP
Configure a USER PRESET
* When you call up the XOV process, Ch.1 will always be set to low frequencies and Ch. 2
will always be set to high frequencies. DO NOT connect high-frequency drivers to Ch. 1.
Operation Manual
BUTTON PRESSES
(starting from the current preset screen)
Sel > Next. Press Sel. The 70V and Ch. 1 icon flash. Press Next to turn on or off. Choose on or
off by pressing Sel.
Sel > Next. Press Sel until the BRG icon flashes. Press Next to set the amplifier to Bridge-Mono,
or press Prev to set the amplifier to Stereo. Press Sel to select your choice.
Sel > Sel. Press Next until you see PRESET 2-20. Press Sel.
Sel > Next. Press Sel until the Y icon flashes. Press Next to see the three options.
Choose one by pressing Sel.
Sel > Next. Press Sel until the EQ icon flashes along with CH1 or CH2.
Press Next to set EQ in or out. Press Sel.
Sel > Next. Press Sel until the DEL icon flashes along with CH1 or CH2.
Press Next until you see the amount of delay you want, then press Sel to select it.
Sel > Next. Press Sel until the LIM icon flashes along with CH1 or CH2.
Press Next until you see the limiting threshold you want, then press Sel to select it.
Sel > Sel. Press Next until you see DSP OFF. Press Sel.
1. Sel > Sel .
2. Press Next until you see the desired preset. Press Sel to select it.
3. Sel > Next.
4. Press Sel until you see the DSP process you want to apply to that preset.
5. Press Next to see the processing options, then press Sel to select an option.
6. Repeat Steps 1–5 for all the processes you wish to apply to that preset. The CUSTOM ICON
will light if a factory preset has been modified.
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