Velodyne SMS-1 - Manual (Page 22)

www.velodyne.com 16 - Digital Drive SMS-1 User’s Manual
All six presets contain the following fields:
• Low Pass Crossover Frequency and Slope – Adjust the upper limit of your subwoofer’s frequency
response. Select a crossover setting, in increments of 1, between 15Hz and 199Hz and slope at 6, 12,
18, 24, 30, 36, 42 and 48 dB/octave.
• Subsonic Filter Frequency and Slope – Set your subwoofer’s subsonic filter (low frequency limit), in
increments of 1, between 15Hz – 35Hz and slope at 6, 12, 18, 24, 30, 36, 42 and 48 dB/octave.
• Phase – Set the phase (delay) of the subwoofer’s output signal, 0 to 180 degrees (adjustable in 15
degree increments).
• Polarity – Set your subwoofer’s polarity by toggling between positive (+) or negative (-). This reverses
the phase 180 degrees.
• Volume – each preset can have its own volume separate from the master volume shown in the setup
column. when the master volume changes, the preset volume changes in lock step.
• Contour Frequency – This allows you to set a frequency to boost or cut the signal to your subwoofer
in response to specific types of source material. These have been preset at the factory according to the
presets above, but any or all can be customized to taste.
• Contour Level – This indicates the amount of boost or cut at the frequency specified in the contour
frequency. Again, this has been preset at the factory but can be adjusted to taste.
Other controls on the Setting Setup Screen:
• 12 Volt Trigger Mode – When active, this control automatically shuts the SMS-1 off until 12 volts is
detected via the connector at position 18 on the back panel.
• Night Mode Maximum Volume – When the NIGHT mode button is pressed on the remote, this setting
is invoked. night mode is indicated on the lcd display. The SmS-1 will not play louder than this volume
level until the night mode is defeated