Yamaha SPX990 Manual download pdf (Page 37)

1in/2out

2in/2out

As the delay time of the following three effects can be deter-

mined by parameters of "Tempo" and "Note", you can easily

adjust the delay time to the music tempo.

Tempo Mono Delay (TmpEch1)

Determines single delay of stereo-out.

Tempo Stereo Echo (TmpEch2)

Determines stereo echo of completely independent Lch and Rch.

Tempo Quad Echo (TmpEch4)

This enables only one delay machine to produce the effect which

has been produced by four delay machines so far. Two couples of

machines can control four delay lines.

TAP INPUT

You can set the delay time suitable for the music tempo in

intervals by pressing soft keys or foot switch twice. For instance,

you have only to press the foot switch for just one beat to the

music tempo to produce the right delay time of one beat match-

ing the music tempo. In this case, you don't have to set param-

eter on Edit Mode.

In fact, the delay time is not directly set, but rather the "Tempo"

parameter is set by the Tap Input. The delay time is determined

by the "Tempo" and the preset "Note".

If you execute the Tap Input operation when "TapKey" appears,

the bar graphs will be displayed on the LCD. It shows how many

msecs have passed since you started Tap Input and displays 250

msecs per character (50 msecs per dot). However, note that the

bar graphs will disappear when it exceeds delay time set.

How to input the "TEMPO" parameter

The following are five ways to input "TEMPO" parameter.

• Manual Input

Like the other parameter, set the parameter by numeral value

on the Parameter Edit Mode.

• Tap Input (by Function Keys)

Set the parameter by the interval between the function key

pressed two times on the Parameter Edit Mode.

• Tap Input (by Footswitch)

Set the parameter by pressing the footswitch which is con-

nected to the back panel's "Trigger" terminal twice.

• MIDI Clock Input

Set the music tempo by MIDI clock.

• MIDI Control Change

Like the other parameter, set parameter by control change.

You can choose to input by setting "Trig." parameter.

SETTING

"Trig."

PARAMETER

MANUAL INPUT

TAP INPUT (by FUNCTION KEY)

TAP INPUT (by FOOT SWITCH)

MIDI CLOCK INPUT

MIDI CONTROL CHANGE

OFF

TAP

MIDI

Tap input by function

and Keys

Tap Input by Foot Switch

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Yamaha SPX990 Manual Page 37

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