Yamaha S90 ES Owner's Manual page 119

Plug-in Insertion Effects
This is a special effect system, only available when an effect-type Plug-in Board is installed (page 101). Plug-in Board effects
are not available in the Voice mode.
Master Effect
This block applies effects to the final stereo output signal of the entire sound. A total of 8 different Master Effect types are
available.
Bypassing the Effects (Effect Off)
When only turning the [EFFECT BYPASS] button to on, you can bypass the specific effect(s).
From the following display, you can select the effect(s) to be bypassed using the [EFFECT BYPASS] button.
[UTILITY] [F1] GENERAL
Controlling the Master effect by using the Control sliders
When pressing the [ARP FX] button and the [EQ] button simultaneously (both lamps light), you can control the Control sliders to adjust
the Master effect related parameters specified in the [UTILITY]
Equalizer (EQ)
Usually an equalizer is used to correct the sound output from amps or speakers to match the special character of the room,
or to change the tonal character of the sound. The sound is divided into several frequency bands, and adjustments are
made to the sound by raising or lowering the level of each band.
By adjusting the sound according to the genre—classical music being more refined, pop music more crisp, and rock music
more dynamic—you can draw out the special characteristics of the music and make your performance more enjoyable.
Three separate EQ sections are available on the instrument: Element EQ, Part EQ, and Master EQ.
Element EQ
[VOICE] Voice selection
The Element EQ is applied to each element of the Normal Voice and each key of the Drum Voice. You can specify which
shape is used among the two shapes described below and set the related parameters.
Peaking type
This type of EQ shape lets you attenuate/boost the signal at
the specified Frequency setting.
Gain
+
0
–
{SF3] EF BYPS
[EDIT] Element selection/Key selection
Frequency
[F4] CTL ASN [SF5] MEF display of the Utility mode.
[F6] EQ
Shelving type
This type of EQ shape lets you attenuate/boost the signal at
frequencies above or below the specified Frequency
setting.
Gain
Low Gain
+
0
–
Low Freq
n
In addition to the individual gain controls, there is also an overall
level parameter that attenuates/boosts the entire frequency range.
Internal Structure (System Overview)
High Gain
Frequency
High Freq
Owner's Manual
119