Velodyne Acoustics DD-15+ Speaker User Manual


 
Figure 15: System Response Screen with Self-EQ Selected
8) You can watch the subwoofer smooth its frequency response by adjusting the parametric EQ filters on the System Response screen.
Self-EQ doesn’t change the Setup preset parameters (volume, crossover, etc.) and uses the crossover set to 160 Hz.
9) When Self-EQ finishes, the sweep tones stop, the front status message shows
End for 10 seconds, the subwoofer reboots by turning
itself off and back on. The subwoofer display shows the preset number and then volume level. During this process the new filter
settings are saved into the subwoofer’s memory.
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) Connect your subwoofer to your TV video input as described above in the
Make Video Connection between TV
and Subwoofer
section.
3) Make sure the subwoofer and your audio system are both on.
4) Place the Digital Drive
PLUS
Sweep Tone CD into your disc player and press play.
5) Once the sweep tone starts to play, adjust the receiver or processor output level to about the level of a normal-loudness
conversation at the mic.
6)
Press and hold
EQ on the remote until
Auto-EQ
PLUS
starts; you will see on the System Response screen the AUT
O
option in the
EQ MODE area. See Figure 16.
The Auto-EQ
PLUS
proceeds until one of the following occurs:
Auto-EQ
PLUS
finishes successfully, saving the settings.
Y
ou decide to quit, and press
RESET on the remote. Y
ou exit back to the
Introductory screen, you don’t see the Auto-EQ
PLUS
frequency response curve any more.
You move the cursor off the
AUT
O
field (in which case the field automatically reverts to Manual-EQ).
The frequency response level is too high (peaks over 87 dB) or too low (average level below 70 dB).
The Sweep Tone CD stops playing.
7) The Digital Drive
PLUS
subwoofer not only adjusts the Setup preset EQ filter levels as you watch, but it also adjusts the subwoofer level,
crossover
, slope, and phase during the
Auto-EQ
PLUS
optimization process.
8) You can also watch the status messages during the process in the upper left hand corner of the TV screen.
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D
igital Drive
P
LUS
U
ser Interface Manual
TV SCREEN USER INTERFACE FOR OPTIMIZATION