Yamaha YDG2030 YDG2030 Owners Manual - Page 20
Setting up the input level, attenuation and delay
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18 - TUTORIAL - Setting up the input level, attenuation and delay Setting up the input level, attenuation and delay I. Input level and input attenuation There are two operations on the YDG2030 that affect the input level-the input level control in the analog domain (pre A/D converters), and the attenuation parameter (INP.ATT) in the digital domain (post A/D converters). The input level control (on the front panel) should be set so that the level meters register the highest possible level without the CLIP indicator lighting. The input attenuation parameter is provided to compensate for equalizer settings that alter the overall gain of the sound e.g. if the equalizer settings result in an overall gain increase of 4dB (for example), internal clipping may occur even if the level meters do not indicate clipping. As a guide to input attenuation level, adjust it so that the output volume is the same as when the bypass function is used. The attenuation can be set from 0dB to infinity (∞), with the highest numerical value being shown as 50 (see instructions below). II. Delay In sound reinforcement situations, it is often desirable for the sound from various loudspeakers to be delayed, to compensate for phase delay caused by speaker placement. Due to its position in the signal chain, the equalization stage is a good place to add this delay. The YDG2030 can delay signals by up to 714 milliseconds (242m, about 800ft). You can input this information either directly as milliseconds, or as a distance in feet or meters (set your preference in the "Utilities"). You can make individual settings for both channels, or for both channels at the same time by linking L and R. These settings are stored in the memory area along with the equalization settings. 1 Press the [DISPLAY] key until you see a screen similar to the one shown. (It comes after the two filter screens.) The actual settings on your screen will probably be different to the ones shown here. 2 If you wish to alter both channels simultaneously, link the channels. 3 Use the F rotary encoder to set the delay. To change the units used (msec, meters or feet), see the "Utilities" section. 4 Use the G rotary encoder to enable ("ON") or disable ("OFF") the delay you have set. 5 Use the Q rotary encoder to set the channel input attenuation. 6 Don't forget to store the completed settings in one of the memory areas, so you can use them again at a later time. YDG2030