Velodyne Deco Bedienungsanleitung PDF herunterladen (Seite 12)

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Volume Control

The volume control allows you to balance the output from the subwoofer to the

main speakers in the system. This control should be set to achieve a comfortable

listening level of both the main speakers and the subwoofer, while listening to

music. A good starting point for the volume control is at 3 or 4 dots from the

MIN setting. The correct output level setting of the subwoofer should blend the

subwoofers output smoothly with that of the satellite speakers. It should not be

set to overpower them or be inaudible. Many home theater receivers have a Test

Tone function that will play a noise/test signal of equal level through the speakers

and subwoofer output, one at a time, to aid in balancing volume. Consult your

receiver owners manual to see if this function is offered to aid in setup.

Low-Pass Crossover

The low-pass crossover control allows you to adjust the upper limit of the

subwoofers frequency response from 40 to 120 Hz. Velodyne recommends that

you set the DECO 8 subwoofer to the DECO Setting for optimal x-over point (see

Figure 8 page 14) when you are using the DECO Satellites. This setting will prove

a seamless transition between the subwoofer and satellites. If you use the DECO

8 Subwoofer with another satellite speaker system, you may need to adjust your

crossover to provide the proper integration. Velodyne has also provided a bypass

switch on the amplifier panel, if you wish to utilize the LFE output from your home

theater receiver (see Crossover Switch section on Page 12).

Phase Switch

The phase switch control allows you to reverse the phase of the subwoofers

output signal 180° to correct for a mismatch between the subwoofer and satellite

speakers sound output. This could result from electrical differences in your

equipments internal wiring, external wiring of satellite speakers relative to the

subwoofer, or acoustic differences resulting from room placement (distance between

subwoofer and front satellites). A mismatched system will result in cancellation of

some sound output between the subwoofer and satellite speakers. To adjust the

phase switch, remain seated in the listening position while someone moves the

phase switch from the 0° position to the 180° position. Listen for an audible

change in low-mid frequency output. The correct position will have a greater amount

of apparent low-mid frequency output.

system wiring diagram).

CONNECTING/CONFIGURING THE DECO 8 SUBWOOFER

Velodyne recommends using the line level inputs to connect the DECO 8 subwoofer

to a preamp, signal processor or receiver with a SUBWOOFER OUTPUT for

optimum performance in most home theater systems.

Velodyne has provided a high quality 16 RCA Subwoofer cable to connect the

subwoofer to your receiver, as illustrated in Figure 6 below. The cable should be

inserted into the RCA input labeled LFE IN (Low Frequency Effects) on the amplifier

panel. The other end of the cable should be inserted into the SUBWOOFER OUTPUT

on the back of your receiver (see Figure 7 page 13 for typical use of the single

RCA cable).

Figure 6. Diagram of RCA Cable on DECO 8 amplifier panel

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