User manual VELODYNE SPL800RBK

[. . . ] SPL-R Series · · · · SPL-800R SPL-1000R SPL-1200R SPL-1500R TM User's Manual DSP-Controlled Home Theater Subwoofer CAUTION Ca u ti o n RI S K O F EL E CT R I C SH O C K DO NOT OPEN To reduce the risk of electric shock, do not remove cover (or back). The lightning 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. [. . . ] The crossover control allows you to adjust the upper limit of the subwoofer's frequency response from 40 to 120 Hz. The subwoofer's response will begin rolling off above the frequency you set this control to. You should set the crossover frequency to obtain a smooth and 6 seamless transition from the subwoofer to the main speakers in your system. If your main speakers are smaller units with limited low frequency output, you may wish to choose a higher frequency (such as 100 -120 Hz) than you would with larger speakers which have greater low frequency output. With larger speakers, you might start with this control set lower, such as 80 Hz. Subwoofer Direct Subwoofer Direct is the leftmost setting on the low-pass crossover knob and will allow frequencies up to 200 Hz into the subwoofer. If you are not using an external crossover, we recommend that you use the one provided within the unit for optimum performance. Caution!!! To avoid damage to your main amplifier, be sure to maintain correct polarity when making all connections. Be sure that all connections are tight, and that there are no loose strands or frayed wires. Power Switch The master power switch is located on the lower right half of the unit. This switch should be set to position 1 for on (up), 0 for off (down). A Word About Your Receiver's Crossover and the SPL-R Crossover Your Velodyne SPL-R subwoofer is designed to operate using the full range audio signal for input when using the built-in crossover (controlled by the dial on the back panel). Many home theater processors/receivers (Dolby Digital®, DTS®, THXTM) have a "subwoofer out" jack that performs this same function and are designed to be used with a powered subwoofer. In these installations, you may want to bypass the crossover in either the processor or the Velodyne subwoofer. To do this, you can use both your processor's crossover and the one internal to the Velodyne sub. You should stagger the frequencies, (i. e. , 120 Hz subwoofer, 80 Hz processor) for best results. Typically, a minimum distance of one to two feet from your TV to the subwoofer will be adequate to avoid any magnetic interference. Caution! This subwoofer has electronics built into the cabinet. Do not place the cabinet next to sources of heat such as furnace registers, radiators, etc. Do not place the unit near sources of excessive moisture, such as evaporative coolers, humidifiers, etc. The power cord should be routed in such a way that it will not be walked on, pinched or compressed in any way that could result in damaging the insulation or wire. This section addresses day-to-day usage of your SPL-R subwoofer. Remote Control Figure 2 shows the remote control, enabling you to easily choose whatever listening mode you desire. USAGE 9 Figure 2. Remote Control POWER This button forces your SPL-R unit into standby mode. The unit will remain in this mode until the POWER button is pressed again. To unmute the subwoofer, press the MUTE button again. EQ This button automatically EQs the subwoofer using a 6-band internal graphic equalizer. To use this feature, first plug in the supplied microphone into the Mic In jack on the back panel of the subwoofer and place the mic in your preferred listening position. [. . . ] Has the power button been depressed on the remote? TROUBLESHOOTING AND SERVICE If the protection circuitry is active, the unit may cycle on and off until operating parameters return to normal. Normal operation should return upon cooling, but you may be required to turn the power off and then on again to reset the unit. The following conditions require service by a qualified technician: 1. The unit does not appear to operate normally or exhibits a marked change in performance 3. [. . . ]