E-18ConnectionsMusical Instrument Amplifier 3Use a commercially available connecting cord to connect thekeyboard to a musical instrument amplifier.NOTE• Be sure to use a connecting cord that has a stereostandard plug on the end you connect to the keyboard,and a connector that provides dual channel (left andright) input to the amplifier to which you are connecting.The wrong type of connector at either end can causeone of the stereo channels to be lost.• When connected to a musical instrument amplifier, set thevolume of the keyboard to a relatively low level and makeoutput volume adjustments using the amplifier’s controls.Connection ExampleNOTE• You can also connect the keyboard to a computer orsequencer. See “Connection to a Computer” on pageE-80 for details.Sustain/Assignable jack TerminalYou can connect an optional sustain pedal (SP-3 or SP-20) tothe SUSTAIN/ASSIGNABLE JACK terminal to enable thecapabilities described below.For details on how to select the pedal function you want, see“Changing Other Settings” on page E-71.Example: WK-3800INPUT 1INPUT 2PIN jackPIN plug (red)PIN plug (white)Stereo standard plug Keyboard orguitar ampTo keyboard’sPHONES/OUTPUTterminalStandard plugSustain Pedal• With piano tones, depressing the pedal causes notes tolinger, much like a piano’s damper pedal.• With organ tones, depressing the pedal causes notes tocontinue to sound until the pedal is released.Sostenuto Pedal• As with the sustain pedal function described above,depressing the sostenuto pedal causes notes to be sustained.• This difference between a sostenuto and sustain pedal isthe timing. With a sostenuto pedal, you press the keys andthen depress the pedal before you release the keys. Onlythe notes that are sounding when the pedal is depressedare sustained.Soft PedalDepressing the pedal softens the sound of the notes beingplayed.Rhythm Start/Stop PedalIn this case, the pedal performs the same functions as theSTART/STOP button.Accessories and OptionsUse only the accessories and options specified for thiskeyboard. Use of non-authorized items creates the danger offire, electrical shock, and personal injury.SP-20SUSTAIN/ASSIGNABLE JACK Terminal