Yamaha Portatone PSR-640 Owner's Manual page 57

5
Play some notes in the right-
hand range of the keyboard.
When a Harmony type (Duet through Strum) is selected
This type automatically add one or more harmony notes to a single-note melody
played in the right hand.
When an Echo type is selected
An echo effect is applied to the note played on the keyboard at the currently set
tempo.
Steps #1 - #3 above are unnecessary for this type.
When a Tremolo type is selected
A tremolo effect is applied to the note played on the keyboard at the currently set
tempo.
Steps #1 - #3 above are unnecessary for this type.
When a Trill type is selected
Two notes held on the keyboard are played alternately at the currently set tempo.
Steps #1 - #3 above are unnecessary for this type.
Adjusting the Harmony/Echo volume
The volume of the Harmony/Echo sound in relation to the keyboard sound can be
adjusted as follows:
1
Press the [FUNCTION] button.
2
Select "Digital Effect."
Use the data dial, the [+/YES] button or the [-/NO] button.
3
Press the [NEXT] button to display the Digital Effect screen.
4
Select "Harmony/Echo."
Use the data dial, the [+/YES]
button or the [-/NO] button.
5
Press the [NEXT] button to display the Type selection screen.
6
Press the [NEXT] button to display the Harmony/Echo VOL-
UME screen.
BACK NEXT
7
Adjust the Harmony/Echo volume.
Use the data dial, the [+/YES] button, the [-/NO] button or the number buttons
[1]-[0].
Digital Effects
• When the Voice Set function
is ON (see page 136), the
Harmony/Echo Volume may
change according to the
selected R1 panel voice.
• Changing the volume of the
harmony sound may not
produce audible effect for
some R1 voices (ex. organ
sounds) when you select
Harmony/Echo types "Duet"
through "Strum."
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