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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Velodyne Acoustics DPS-12, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.
What is an instruction?
The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Velodyne Acoustics DPS-12 one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.
Unfortunately, only a few customers devote their time to read an instruction of Velodyne Acoustics DPS-12. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.
What should a perfect user manual contain?
First and foremost, an user manual of Velodyne Acoustics DPS-12 should contain:
- informations concerning technical data of Velodyne Acoustics DPS-12
- name of the manufacturer and a year of construction of the Velodyne Acoustics DPS-12 item
- rules of operation, control and maintenance of the Velodyne Acoustics DPS-12 item
- safety signs and mark certificates which confirm compatibility with appropriate standards
Why don't we read the manuals?
Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Velodyne Acoustics DPS-12 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Velodyne Acoustics DPS-12, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Velodyne Acoustics service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Velodyne Acoustics DPS-12.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Velodyne Acoustics DPS-12 item, and its use of respective accessory, as well as information concerning all the functions and facilities.
After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.
Table of contents for the manual
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Page 1
D P S Series DPS-1 0 DPS-1 2 USER’S MANUAL Audio/V ideo Subwoofer System[...]
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Page 2
Caution i . www .velodyne.com DPS User’s Manual[...]
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Page 3
T able of Contents ii . www .velodyne.com DPS User’s Manual C ongratulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Rear Panel Connections . . . . . . . . . .[...]
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Page 4
Congratulations 1 . www .velodyne.com DPS User’s Manual C ongratulations on your purchase of a V elodyne Digital Power Slot™ (DPS) subwoofer system. This system represents the state-of-the-ar t in low frequency reproduction. Read and follow the instructions below to insure safe and proper system operation. Warning! T o prevent fire or shock haz[...]
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Page 5
2 . www .velodyne.com DPS User’s Manual Y our new subwoofer system provides for a number of installation options. Read all the installation information below in order to determine which installation option is best for your system. Remember to perform all installation procedures with system power turned of f. Figure 1. Front Panel Display Front Pa[...]
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Page 6
3 . www .velodyne.com DPS User’s Manual T he following table indicates musical style and which preset is recommended for it. M usical Style Suggested Preset Action Adventure Movies Movies Alternative Rock Jazz — Classical Blues Jazz — Classical Broadway and V ocalists Jazz — Classical Children’ s Music Jazz — Classical Christian and Gos[...]
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Page 7
4 . www .velodyne.com DPS User’s Manual T he following table shows the settings for various presets: S ubsonic Filter EQ EQ V olume Preset Frequency Fr equency Level Differ ential Movies 24 Hz 37 Hz +4 dB +8 dB R&B – Rock 27 Hz 52 Hz +3 dB +5 dB Jazz – Classical 24 Hz N/A N/A N/A (Reference) Games 34 Hz 62 +4 dB +4 dB RESTORE DEFAUL TS ?[...]
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Page 8
5 . www .velodyne.com DPS User’s Manual I MPORTANT NOTE: S ome manufacturers preset their receivers with the Sub-Out channel signal at a minimum level. It is ver y impor tant to verify that your receiver Sub-Out channel is set t o the same output level, or higher , as your front right and left channels. Refer to your receiver manual for the indiv[...]
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Page 9
6 . www .velodyne.com DPS User’s Manual Figur e 2. DPS Rear Panel Connections Figure 2 shows the connections on the rear panel of the DPS. Following are brief descriptions of the connections described in Figur e 2. Mor e detail on these connections can be found on the next page. (1) LOW-PASS CROSSOVER Use this knob to select the high-frequency ra[...]
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Page 10
( B) SPEAKER LEVEL INPUT T er minals Connect these input terminals to the speaker output terminals of your amplifier or receiver . I f you use this method of connection, when you go to the receiver speaker set up menu, make sure you select the large speaker option. Note: Do not use both the LINE INPUT/LFE INPUT connections and SPEAKER LEVEL INPUT c[...]
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Page 11
8 . www .velodyne.com DPS User’s Manual Speaker Level Output When connected in this fashion, your satellite speakers will be fed the same input signal as the s ubwoofer . This removes the lower bass from your satellites, enabling them to do a better job reproducing high frequencies and giving your receiver’ s amp more headroom (up to 50% more p[...]
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Page 12
9 . www .velodyne.com DPS User’s Manual T rue subwoofers operate at extremely low frequencies, which are primarily omni-directional. While it is recommended that the subwoofers be placed on the same plane as the satellite speakers, room and system conditions often dictate other wise. Keep in mind that frequency response and output level can be dr[...]
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Page 13
Troubleshooting and Ser vice 10 . www .velodyne.com DPS User’s Manual B efore seeking ser vice for your amplifier or subwoofer , please re-check all systems. Following is a simple troubleshooting guide to assist you. 1. V erify that the unit is plugged in and power outlet used is active. 2. Is the power switch on? 3. Is the unit receiving an inpu[...]
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Page 14
Specifications DPS-10 DPS-12 Driver 10” for ward firing 12” for ward firing (8.2” piston diameter) (9.9” piston diameter) Amplifier (Class A/B) 375 watts Dynamic/ 400 watts Dynamic/ 185 watts RMS Power 200 watts RMS power Frequency Response 28 Hz — 120 Hz (+/-3 dB) 25 Hz — 120 Hz (+/-3 dB) Low-Pass Crossover 40 Hz — 120 Hz (12 dB/octa[...]
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Page 15
12 . www .velodyne.com DPS User’s Manual Velodyne Pr oducts DD Series DD-10 DD-12 DD-15 DD-18 Digital Drive 18 12 Signature Edition DLS™-R Series DLS - 3500R DLS - 3750R DLS - 4000R DLS - 5000R DPS™ Series DPS - 10 DPS - 12 MicroVee™ MiniV ee MiniV ee 1 0 SMS™-1 1 20V SPL™-R Series SPL - 800R SPL - 1000R SPL - 1200R SPL - 1500R SubContr[...]
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Page 16
13 . www .velodyne.com DPS User’s Manual FOR YOUR RECORDS. . . Date Puchased_________________________________________________________________ Dealer_________________________________________________________________________ Serial #________________________________________________________________________ *NOTE: Please complete and return your warran[...]
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Page 17
14 . www .velodyne.com DPS User’s Manual V elodyne Acoustics, Inc. 345 Digital Drive Morgan Hill, CA 95037 408.465.2800 voice 408.779.9227 fax 408.779.9208 ser vice fax www .velodyne.com Ser vice E - mail: ser vice@velodyne.com Product E - mail: help@velodyne.com T echnical E - mail: techhelp@velodyne.com 63 - DPS1012 Rev B JUN07[...]