Velodyne Acoustics SMSTM -1 - Manual (Page 26)

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Digital Drive User’s Manual
8. Raise the volume on your receiver/processor until the DD test sweep (a tone that sweeps
from 20 Hz up to 200 Hz) can be heard from your system’s speakers. Continue to raise
the volume until the “SYSTEM RESPONSE” graph on your TV shows the response of your full
range speakers (the right hand portion of the graph) at approximately 86 dB (or a
comfortable listening level). This is shown below:
9. Now use the DD remote control to unmute the SMS-1, then use the volume up and down
keys to match the level of the SMS-1 to your full range speakers. That is, the “SYSTEM
RESPONSE” graph should be relatively flat (although at this point there will be peaks and
valleys that will be addressed next).
NOTE: You may also need to adjust the volume of your subwoofer to achieve a good match.
Make sure that the SMS-1’s volume is not too low – it may require experimentaion to find the
proper balance between SMS-1 volume and your subwoofer’s volume.