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Digital Drive ® ™ Subwoofer Management System U S E R ’ S M A N U A L F e a t u r i n g S o f t w a r e V e r s i o n 2 . 1...
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C a u t i o n ! w w w . v e l o d y n e . c o m Digital Drive User’s Manual...
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At t e n t i o n ! w w w . v e l o d y n e . c o m Digital Drive User’s Manual...
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Vo r s i c h t ! w w w . v e l o d y n e . c o m Digital Drive User’s Manual...
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At t e n z i o n e ! w w w . v e l o d y n e . c o m Digital Drive User’s Manual...
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Ta b l e o f C o n t e n t s Congratulations ...1 Before you Begin ...1 Package Contents ...2 Product Features and Controls ...2 - SMS-1 ...2 - Remote Control ...3 - Digital Drive Accessory Kit ...5 Installation Overview ...5 SMS-1 Controls and Ports ...5 Installation –...
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C o n g r a t u l a t i o n s Congratulations on your purchase of a Velodyne Digital Drive SMS-1 Subwoofer Management System! This system enables you to bring the power of Velodyne’s patent-pending Digital Drive bass management to any subwoofer.
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Pa c k a g e C o n t e n t s Your Velodyne Digital Drive SMS-1 consists of the following components: • Digital Drive SMS-1 • Power Supply with Cord • Remote control • Digital Drive Accessory Kit CAUTION: Many of the accessories are embedded in the included foam endcaps.
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R e m o t e C o n t r o l The Velodyne Digital Drive infrared remote control allows you to set up, adjust, and reset your SMS-1 when connected to a television or a video monitor. You will also use your remote to activate preset listening values, set the SMS-1’s volume up or down, mute the SMS-1, or set a night operational mode.
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R e m o t e C o n t r o l B u t t o n s A brief description of each button on the remote control follows: Figure 1: Velodyne Digital Drive remote control w w w . v e l o d y n e . c o m •...
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D i g i t a l D r i v e A c c e s s o r y K i t The Velodyne Digital Drive Accessory Kit contains the following six components: • Calibrated precision microphone • Microphone windscreen cover •...
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Figure 2: Digital Drive Front and Rear Panel Connections POWER – Press the POWER switch to the ON position to activate the SMS-1. If the unit is to be left unused for an extended period of time, press the switch to the OFF position to prolong the life of the SMS-1.
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(10) RS-232 OUT – Use this port to communicate with a second “daisy-chained” Digital Drive SMS-1. (11) RS-232 IN – Use this port to communicate with your computer (for software updates), a touch panel remote control, or another upstream Digital Drive SMS-1. See Appendix A for an explanation of the use of the serial port, available commands, and their formats.
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I n s ta l l a t i o n – Q u i c k S ta r t To quickly set up and take advantage of the auto-EQ feature in your new Digital Drive SMS-1, perform the following steps: 1.
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I n s ta l l a t i o n – S t e p - B y - S t e p To ensure a quick and flawless installation of your Velodyne Digital Drive SMS-1, follow these setup instructions. S M S - 1 C a b l e C o n n e c t i o n s Make all necessary cable connections between the applicable SMS-1 connector port and your particular home electronics equipment in the following order:...
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4. Connect the audio/video cables between your SMS-1 (EQ OUTPUT VIDEO/LEFT/RIGHT – yellow, white, and red respectively) and your electronics (receiver, processor, TV, etc.). Insert the color-coded cable plugs into the correct EQ OUTPUT receptacle – the yellow plug into the VIDEO jack, the white plug into the LEFT jack, and the red plug into the RIGHT jack.
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Choose one SMS-1 for all the connections described below (we’ll call this the “master”), and then connect an RCA jack from the THRU RCA jacks of the “primary” to the Input jacks of the “slave.” You will also need to obtain a “Mouse Extension” serial cable (available at any computer store, from your Authorized Velodyne dealer, or from Velodyne directly) and connect the RS232 OUT port of the primary SMS-1 to the RS-232 IN port of the secondary SMS-1.
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S M S - 1 S e t u p – O v e r v i e w BEFORE YOU BEGIN: Once the installation has been completed, note that you can use your SMS- 1 without performing ANY of the setup steps below. Simply use the remote to set the volume, and select the preset that most closely matches your listening material, and enjoy! However, to reap the maximum benefits of Digital Drive technology, read on! S p e c i a l n o t e f o r 2 3 0 V u s e r s w i t h v i d e o p r o b l e m s...
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NOTE: Velodyne is not responsible for damage caused to subwoofers as a result of normal use and setup of the SMS-1. Following is an overview of the screens you will be using to set up your Velodyne Digital Drive SMS-1. Figure 3: Introductory Screen See Figure 3.
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Figure 4: EQ Setup screen The EQ Setup screen includes a “SYSTEM RESPONSE” “sweep” window and a graphic equalizer. You use these settings to equalize your room. The graphic equalizer features 8 bands, each of which can be used at its current frequency, or can be infinitely adjusted to the frequency and Q you desire.
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By navigating the cursor to the NEXT field and pressing SELECT, the following screen appears: Figure 5: SYSTEM SETTINGS Screen From this screen the crossover, subsonic filter, phase, polarity, volume, and other settings can be set, as well as specifics for each preset, if desired. Your SMS-1 comes with 6 presets, four of which are preprogrammed at the factory.
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All six presets contain the following fields: • Low Pass Crossover Frequency and Slope – Adjust the upper limit of your SMS-1’s frequency response. Select a crossover setting, in increments of 1, between 15 Hz and 199 Hz (or OFF) and slope at 6, 12, 18, 24, 30, 36, 42 and 48 dB/octave. •...
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O n s c r e e n P r o g r a m m i n g a n d S e t u p – S t e p - b y - S t e p The following steps take you though a typical SMS-1 setup procedure.
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6. Press MENU and enter 12345 to enter the EQ setup screen, as follows: w w w . v e l o d y n e . c o m Digital Drive User’s Manual...
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Upon pressing 5, you should see the following screen: 7. Use the remote control to MUTE the SMS-1. w w w . v e l o d y n e . c o m Digital Drive User’s Manual...
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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).
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The screen should now look something like this: w w w . v e l o d y n e . c o m Digital Drive User’s Manual...
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A b o u t R o o m P l a c e m e n t Room placement is the first step in equalizing your subwoofer(s) to your main speakers and your room. Subwoofers operate at extremely low frequencies, which are primarily omni-directional (that is, you can’t usually tell where they are coming from).
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TIP: Here’s an easy way to find the optimal position for your subwoofer without moving it to multiple positions in the room. Start by setting the subwoofer up in your listening position. Now, move the microphone around the room and observe the response graphs for different room positions.
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AND REMEMBER: Use the UP , DOWN, RIGHT and LEFT directional arrow buttons that surround SELECT to move through the fields of the setup screen, and change settings by using the SELECT button, then the UP and DOWN arrow keys. Or, you can skip the SELECT button and change values using the SET +/- buttons.
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TIP: To see immediate feedback on the effects of your changes to the “SYSTEM RESPONSE” graph, press the TEST button. The following screen appears: Press TEST again to return to the SYSTEM SETTINGS screen. NOTE: Some receivers/processors supply a signal that is already crossed over – i.e. just the bass frequencies.
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16. You should normally not need to adjust the subsonic filter. Do so only if there are anomalies in the very lowest frequencies that you cannot address using the normal EQ process as described below. 17. Next adjust the phase and polarity settings. reproduction of the audio signal.
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Continue this process until the “SYSTEM RESPONSE” graph shows a +/– 3 dB response across the bass frequencies (that is, up to about 120 Hz.). Note that this does not necessarily mean a “ruler flat” response; +/- 3dB is typical for an optimized response curve. An “equalized”...
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To have the unit EQ itself, select the auto EQ option, as shown: When this mode is selected, the unit automatically resets all EQs to their original frequencies, and Q settings (but retains any level changes you may have made). The AUTO EQ proceeds until you either save settings, press SELECT to return to manual EQ, move the cursor off the AUTO EQ field (in which case the field automatically reverts to MANUAL), or twenty five sweeps have occurred.
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21. To use the parametric EQ feature, position the cursor over the EQ and press the SELECT button. The values for that particular EQ appear on the right hand side of the screen. The following screen is shown: w w w . v e l o d y n e . c o m Digital Drive User’s Manual...
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22. To manipulate a parametric EQ, you can now use the LEFT and RIGHT arrow keys to move the frequency up and down, and the SET + and SET – keys to change the Q value. Use the UP and DOWN arrow keys to adjust the level of the EQ as before. A selected EQ that has been moved, with its level raised and Q adjusted is shown below: CAUTION: Using this feature could pose a danger to your subwoofer! It is possible to “stack”...
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You can change any value in the presets column, then use the TEST key to review the curve with these settings active. This is shown below. Features of each preset are: EQ. There can be a completely different set of EQs for each preset. Simply select the preset you want on the “SYSTEM RESPONSE”...
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EQ Curves. Each preset can have its own unique set of EQ settings. You can select which preset you want to EQ by either positioning the cursor on a preset column on the settings screen then pressing TEST, or by selecting the preset you want on the SYSTEM RESPONSE screen at the PRESET field, or by pressing one of the preset buttons on the remote.
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2. Raise the volume of the SMS-1 after you have finished your room equalization and other settings. RESPONSE” graph as you raise the volume, or, 3. Raise the volume on your subwoofer. Of course, all hearing is different, so be sure to perform the above step “to taste.” 25.
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R e s t o r i n g D e fa u l t s There is a feature in the SMS-1 that allows you to restore the factory defaults. On the main screen, simply press the 8, 9, and 0 buttons in sequence. After the sequence has been entered, the unit will flicker the video and then restore the main screen.
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R u n t i m e M o d e During normal use of your Digital Drive SMS-1, you can use the preset buttons to invoke certain presets, use the volume control to raise or lower the SMS-1’s volume, use the light and night buttons to control the light and night mode, respectively, and use the mute button to mute the SMS-1.
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1 2 V O LT T R I G G E R M O D E The following screens show the use of the 12 volt trigger mode. The following screen denotes how to activate the 12 volt trigger feature: w w w .
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The following screen is shown when the unit is waiting for a 12 volt trigger to activate: w w w . v e l o d y n e . c o m Digital Drive User’s Manual...
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A b o u t R o o m E q u a l i z a t i o n This section gives some background on room equalization. As a subwoofer plays in a room, the reflections of the sound waves off the walls create “standing waves,” that is, places in the room where certain frequencies are louder and others are diminished.
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Appendix A: RS-232 Serial Overview and Commands I n t r o d u c t i o n This document outlines Velodyne’s Digital Drive (DD) RS-232 protocol specification. This protocol indicates how Digital Drive products receive run-time commands from devices such as Creston Universal Remote Controls.
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RS232 Commands Activity Command Format Volume Control #VOnn$, #VO+$, #VO-$, #VO?$ Preset Control #PSn$, #PS?$ Logo Light #LTn$, Control #LT?$ Night Mode #NMn$, Control #NM?$ Mute Control #MUn$, #MU?$ #MU0$ Power Control #JUn$, #JU?$ w w w . v e l o d y n e . c o m Acceptable Example(s) n Values...
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Appendix B: Summary of Special Remote Codes Following are special remote codes and their functions. Unless otherwise noted, the codes are active only on the cover page. Function Self-EQ Restore defaults Switch to PAL/SECAM video Display serial number Restore last saved volume w w w .
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DPS-10 DPS-12 VELODYNE ACOUSTICS, Inc. (“VELODYNE”) warrants all powered subwoofers for a period of two years and full range speakers for a period of five years. All VELODYNE products have a warranty from the date of purchase against defects in materials and workmanship subject to the following conditions:...
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Velodyne Acoustics, Inc. 345 Digital Drive Morgan Hill, CA 95037 408.465.2800 voice 408.779.9227 fax 408.779.9208 service fax www.velodyne.com Service E-mail: service@velodyne.com Product E-mail: help@velodyne.com Technical E-mail: techhelp@velodyne.com 63-SMS1 RevD 22AUG05 w w w . v e l o d y n e . c o m...
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