Velodyne DLS-3500R - User Manual

User's Manual
DSP-Controlled Home Theater Subwoofer
DLS
T M
-R Series
• DLS-3500R
• DLS-3750R
• DLS-4000R
• DLS-5000R
Caution
To reduce the risk of electric shock, do not remove cover (or back). No user-serviceable parts inside. Refer servicing
to qualified service personnel.
The lighting flash with arrowhead symbol is intended to alert the user to the presence of uninsulated "dangerous
voltage" within the product's enclosure that may be of sufficient magnitude to constitute a risk of electric shock to
persons.
The exclamation point symbol is intended to alert the user to the presence of important operating and maintenance
(servicing) instructions in the literature accompanying the subwoofer.
1. Read Instructions -- All safety and operating instructions should be read before the subwoofer is operated.
2. Retain Instructions -- The safety and operating instructions should be retained for future reference.
3. Heed Warnings -- All warnings on the subwoofer and in the operating instructions should be adhered to.
4. Follow Instructions -- All operating and use instructions should be followed.
5. Water and Moisture -- The subwoofer should not be used near water -- for example, near a bathtub, washbowl,
kitchen sink, laundry tub, in a wet basement, near a swimming pool or the like.
6. Carts and Stands -- The subwoofer should be used only with a cart or stand recommended by the
manufacturer.
7. Wall or Ceiling Mounting -- The subwoofer should be mounted to a wall or ceiling only as recommended by
the manufacturer.
8. Ventilation -- The subwoofer should be situated so that its location or position does not interfere with its proper
ventilation. For example, the subwoofer should not be situated on a bed, sofa, rug, or similar surface that
may block the ventilation openings; or placed in a built-in installation such as a bookcase or cabinet that may
impede the flow of air through the ventilation openings.
9. Heat -- The subwoofer should be situated away from heat sources such as radiators, heat registers, stoves,
or other subwoofers that produce heat.
10. Power Sources -- The subwoofer should be connected to a power supply only of the type described in the
operating instructions or as marked on the subwoofer.
11. Power-Cord Protection -- Power-supply cords should be routed so that they are not likely to be walked on or
pinched by items placed upon or against them, paying particular attention to cords at plugs, convenience
receptacles, and the point at which they exit from the subwoofer.
12. "Caution: To prevent electrical shock, match wide blade of plug to wide slot, fully inserted." "Attention: Pour
eviter les chocs electriques, introduire lame la plus large de la fiche dans la borne correspondante de la prise
et pousser jusqu' au fond".
13. Cleaning -- The subwoofer should be cleaned only as recommended by the manufacturer.
14. Nonuse Periods -- The power cord of the subwoofer should be unplugged from the outlet when left unused
for a long period of time.
15. Object and Liquid Entry -- Care should be taken so that objects do not fall and liquids are not spilled onto
the enclosure.
16. Damage Requiring Service -- The subwoofer should be serviced by qualified service personnel when:
a. The power-supply cord or plug has been damaged.
b. Objects have fallen or liquid has been spilled into the subwoofer.
c. The subwoofer has been exposed to rain.
d. The subwoofer does not appear to operate normally or exhibits a marked change in performance.
e. The subwoofer has been dropped or damaged.
17. Servicing -- The user should not attempt to service the subwoofer beyond what is described in the operating
instructions.
All other servicing should be referred to qualified service personnel.
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Summary

Safety and Precautions

General Warnings

Important safety and operating warnings to prevent electric shock and hazards.

User Operating Instructions

Comprehensive safety and operating instructions for user adherence during operation and maintenance.

Product Overview and Installation Prep

Product Features

Overview of the subwoofer's main features and available controls for operation.

Installation Preparation

Guidance on unpacking the subwoofer and preparing for installation, including saving packaging.

Rear Panel Connections

Low-Pass Crossover and Volume

Explanation of the low-pass crossover knob and volume control operation.

Auto On;Off and Line Output

Functionality of the auto-on/off switch and how to connect the line output.

Detailed Rear Panel Connections

Input;Output Terminals

Detailed explanation of line input, LFE input, speaker level input and output terminals.

Crossover and Power Functions

Functionality and adjustment of crossover switches and power switch operation.

System Integration and Placement

Receiver Crossover Interaction

Guidance on using receiver crossovers in conjunction with the DLS-R's internal crossover.

Placement and Safety

Advice on positioning the subwoofer for best performance and associated safety precautions.

Day-to-Day Usage

Remote Control Operation

Introduction to the remote control for easily selecting listening modes and functions.

Remote Control Buttons

Detailed explanation of the remote control buttons: Power, Mute, Phase, Light, Night, and Volume.

Preset Modes and Defaults

Preset Mode Selection

Explanation of preset modes for music and gaming, and their associated settings.

Restore Default Settings

Procedure to restore the subwoofer to its factory default settings.

Care and Troubleshooting

Cleaning and Maintenance

Instructions for cleaning the subwoofer cabinet using appropriate materials.

Troubleshooting Steps

Simple troubleshooting steps to resolve common issues before seeking service.

Service Requirements

List of specific issues that necessitate service by a qualified technician.

Warranty and Support

Limited Warranty

Details of the limited warranty for Velodyne subwoofer products.

Obtaining Technical Service

Instructions on how to get service and support for the subwoofer.

Velodyne DLS-3500R Specifications

General

Type	Powered subwoofer
Input Connections	Line-level, speaker-level
Enclosure Type	Bass Reflex
Phase Switch	Yes (0/180 degrees)
Low Pass Crossover	40 Hz - 120 Hz, variable