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5) On the Frequency Response and Parameters screen, select the Self option in the EQ Optimization Option Selection and
Initiation area.
6) Click Start.
7) The subwoofer produces its own sweep tone and its frequency response.
8)
You can watch the subwoofer smooth its frequency response by adjusting the parametric EQ filter levels on the Frequency
Response and Parameters screen. Self-EQ doesn’t change the Setup preset parameters (volume, crossover
, etc.) Self-EQ
uses a 160 Hz crossover.
9) When Self-EQ finishes, the front subwoofer display shows End for 10 seconds, then the subwoofer reboots by turning itself off and
back on. The display shows the preset number and then volume level. During this process the new filter settings are saved into the
subwoofers memory.
10) Click Save to File to save the Setup preset’s EQ filter settings to a DDP file on your computer.
The frequency response curve is only saved with Manual-EQ, not Self-EQ or
Auto-EQ
PLUS
.
RUNNING AUTO-EQ
PLUS
OPTIMIZATION – STEPPING UP IN POWER
The next level up in the Digital Drive
PLUS
EQ optimization methods is Auto-EQ
PLUS
optimization. To perform Auto-EQ
PLUS
optimization:
1) Set up the microphone as in the Self-EQ instructions above.
2) Make sure the subwoofer and your audio system are both on.
3) Place the Digital Drive
PLUS
Sweep Tone CD into your disc player and press play.
4) Once the sweep tone starts to play, adjust the receiver or processor output level to about the level of a normal-loudness conversation.
5) On the Frequency Response and Parameters screen, select the Auto option in the EQ Optimization Option Selection
and Initiation area.
6) Click Start.
7)
The subwoofer not only adjusts the Setup preset EQ filter parameters as you watch, but it also adjusts the volume, crossover, slope,
and phase while these input fields are grayed out during the Auto-EQ
PLUS
optimization process.
8) You can also watch the status of the subwoofer in the process down in the lower right in the subwoofer/EQ status line.
9) When Auto-EQ
PLUS
optimization finishes, the front display shows End for 10 seconds, the subwoofer reboots by turning itself off
and back on. The display shows the preset number and then volume level. During this process the new filter settings are saved
into the subwoofers memory. When the subwoofer is rebooting, the Digital Drive
PLUS
Windows Setup Program shows the
subwoofer is Disconnected.
10) While the subwoofer is rebooting, shut of
f the Sweep Tone CD and remove it from the player.
11) When the subwoofer has finished rebooting, either the program and subwoofer reconnect automatically or you can
click DDPLUS > Reconnect in the menu.
12) Click Save to File to save the Setup preset’s EQ filter settings to a DDP file on your computer. You will need it to
perform the following Manual-EQ optimization instruction.
The frequency response curve is only saved with Manual-EQ, not Self-EQ or Auto-EQ
PLUS
.
RUNNING MANUAL EQ OPTIMIZATIONADJUST IT TO YOUR LIKING
In some particularly problematic rooms, it may be necessary to employ even further adjustment than the Auto-EQ
PLUS
. Manual EQ gives
enough flexibility to get the subwoofer response very flat:
1) Set up the microphone, subwoofer and Sweep Tone CD as in the Auto-EQ
PLUS
optimization instructions.
2) Set the system playback volume level as in the Auto-EQ
PLUS
optimization instructions.
3) On the Frequency Response and Parameters screen, select the Manual option in the EQ Optimization Option Selection
and Initiation area, then click Start.
4) W
atch the subwoofer/EQ status line until it says Connected, Not Synced and then Syncing.
[ 15 ]
Digital Drive
PLUS
User Interface Manual
WINDOWS INTERFACE FOR OPTIMIZATION
17


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