Yamaha PortaSound MK-100 Operating instructions

How to use
the
МК-100
MULTI-MENU
Multi-Programmable Stereo Keyboard
YAMAHA OUr Sni MIK-4OO

This manual provides you with detailed instructions on
how to use the nine functions of MULTI-MENU, the most
important
feature
of
the
PortaSound
MK-100,
so
that
`
you will be able to get the maximum enjoyment out of it.
Actually play the given examples according to the
instructions with your MK-100. In the beginning, the
operation may appear complicated, but soon you will
get used to it, and find it fun. Master this manual and
expand your scope of keyboard playing pleasure.
The MULTI-MENU system lets you arrange your own
instrument voices, rhythms and bass lines. Also, you
can store your sound creations in the keyboard's
3.2 kilobyte RAM (Random-Access Memory), or digitally
on tape using a separate tape recorder and tape
interface cable.
MULTI-MENU Functions
MULTI-MENU
Synthesizer
Programmable
rhythm machine
Bass line sequencer
Music programmer
Tape interface
Hd
The Menu contains the following functions, which can
be used either alone or in various combinations.
1. MELODY VOICE VARI 1 (Waveform synthesizer) . . .2
2. MELODY VOICE VARI 2 (Envelope synthesizer) ...3
З. MELODY MIXER (Dual-voice synthesizer)......... 4
4. CHORD VOICE VARI ......................... 5
5. BASS VOICE VARI ........................... 6
6. CUSTOM DRUMMER (Programmable
rhythm таспіпе)............................. 7
7.
CUSTOM
BASSIST
(Bass
line
sequencer)
........
9
8. MUSIC PROGRAMMER ...................... 11
3: TAPE INTERFACE: ана Pr ERE YA 14
You can start with any of the functions.

санетнага
ан
У
1.
MELODY
VOICE
VARI
1
(Waveform synthesizer)
p
Ва
MELODY VOICE [PRESET CUSTOM | ж ^y АЎ OS V^ ANN Iro ay way VIBRATO
ee
j
| |
|
|
|
|
|
|
і
|
|
1
2
3
4 5
6
7
8
9
10
11
12
With
this
function,
you
can
create
your
own
CUSTOM
sounds
in
addition
to using
any
of
the
12
preset
voices.
Press
the
MUE
MENS
ON
selector
and
choose
MELODY
VOICE
VARI
1
in
the
Menu.
With this Menu selection, you choose one illustrated
waveform from each of the two groups, and combine the
two to form a new, distinctive sound.
Select one out of and one out of
LJ L1 COC)
o ^ and push their corresponding selectors.
um am C
і ]
Г Са 05 05
To start with, modify the ORGAN voice to get a different
organ sound.
(Example 1)
ified organ
*Try other combinations. (With the ORGAN voice, the com-
bination
of
selectors
4
and
8
gives
a
sound
identical
to
the
preset
voice.
*To get the preset voice again, push selector 1 (PRESET).
*Even when another Menu is chosen, the existing custom
waveforms are retained.
Try creating some more distinctive sounds using other
Orchestra voices.
(Example 2)
Selectors to push
4 & 11 with 12
TRUMPET (VIBRATO) OFF
Clarinet-like sound
(Example 3)
Selectors to push
7 & 9 with 12
VIOLIN (VIBRATO) OFF
*Use of SUSTAIN 2 gives a cathedral-like presence.
Pipe organ-like sound

2. MELODY VOICE VARI 2
(Envelope synthesizer)
"que peer ж [XP [- RII [o M К] *
| і | і І I l l [ І І
1 2 3 4 5 6 7 8 9 10 11
This function is for adjusting the rise and sustain pattern
(envelope) of the Orchestra voices to obtain different sounds.
With this Menu selection, you choose one illustrated
envelope from each of the two groups, and combine the
two to form a new one.
[e 4-q[— x
! І ! І
Select one out of á цы & а andone out of
E a ў а ўў нне
and push their corresponding selectors.
Now, take the PIANO voice and make a soft, horn-like sound
with it.
(Example 1)
*If the voice has been customized by MELODY VOICE VARI 1,
change it back to the preset voice by pushing selector 1 (PRESET)
in the MELODY VOICE VARI 1 Menu once, before using the
MELODY VOICE VARI 2 Menu.
*To restore the original envelope, push selector 1 (PRESET).
*Even when another Menu is chosen, the existing custom envelope
is retained.
—- Horn-like sound
Try creating some more different sounds by changing the
envelopes of the Orchestra voices.
(Example 2)
Selectors to push
OBOE 7811
Banjo-like sound
(Example 3)
Wah-guitar-like sound
For more effects, you can combine MELODY VOICE
VARI 1 and 2.

3. MELODY MIXER
(Dual-voice synthesizer)
MELODY SAXO- MUSIC HARPSI.
MIXER ORGAN PICCOLO TRUMPET VIOLIN PHONE OBOE PIANO X CHORD GUITAR SYNTHE.1 SYNTHE2
m
|
| | ] | | І ] ] | | | і
1 2 3 4 5 6 7 8 9 10 11 12
With this function, you can get the effect of two instruments
playing together.
When you select one of the Menu sounds
DRGAN PICCOLO TRUMPET VIOLIN 80. OBOF piano МУС — MESS GUITAR SYNTHE | SYNTH?
| } | | і | | | | |
1 2 a 4 5 6 7 8 E ЫЯ
СЗ Эа Са Са Са Са 22 С2 CJ CA E,
and push the selector, that sound is mixed with the voice
selected from among those of the Orchestra panel.
ORCHESTRA
SAXO MARPSI SYNTHE Ж
ORGAN TRUMPET PHONE PIANO CHORD 1 =
| ] | І | | 0
PICCOLO VIOLIN OBOE MUSIC GUITAR SYNTHF ШВ
X =
[E7] g [2] ð [£2 [£2] CJ
Combining two sounds of different types gives a more
interesting effect than combining two similar sounds. Try the
following combinations, for example.
ORGAN
MUSIC BOX
(Example 2) HARPSICHORD PICCOLO
GUITAR SAXOPHONE
*With MELODY MIXER, only one note at a time is mixed. When
you play chords, the highest notes only are mixed.
*When the sounds have been modified by MELODY VOICE VARI 1
and 2, the modified sounds are mixed.
*To cancel MELODY MIXER, push the selectors with illuminated
lamps to turn them off.

j
4. CHORD VOICE VARI
SAXO- MUSIC HARPSI-
PICCOLO TAUMPET VIOLIN PHONE OBOE PIANO BOX CHORO GUITAR = SYNTHE.1 SYNTHE2
CHORD VOICE
VARI. ORGAN
1 2 3 4 5 6 7 8 9 10 11 12
With this function you can set the accompaniment sound
timbre of the chords for Auto Bass Chord.
1) Select a rhythm in the RHYTHM section and press the
selector, then press SYNCHRO START or START.
2) Slide the AUTO BASS CHORD control (5th from left)
to SINGLE FINGER CHORD or FINGERED CHORD.
3) When you press a key on the left side of the keyboard,
the bass and chords start to play. Now, you are ready.
4) You can select any sound you like. Just press the
selector for that sound.
BAXO. MUSIC HARPS}.
ORGAN PICCOLO TRUMPET VIOLIN PHONE OBOE PIANO вах CHORD GUITAR SYNTHE 1 SYNTHE 2
| | |
11
| | І 1 | | ! I
1 2 а 6 10
= | = m - m ш - ша
EFE ў а ЕЕЕ E]
СЕЕ E-TE-J
(Example 1)
Try playing with the MARCH rhythm.
Play Auto Bass Chord with:! BASS VARIATION
CHORD VARIATION
In this case, the chord sound is preset at PIANO.
Change it to TRUMPET, GUITAR or whatever you like.
*The timbre set here applies to al! the rhythms and all the
variations.
*When the sound has been customized by MELODY VOICE
VARI 1 or 2, the CUSTOM sound will be heard.
“То cancel CHORD VOICE VARI, press the selectors with
illuminated lamps.
(Example 2)
Try a country-like banjo backing.
Change the OBOE sound to a banjo-like sound with
MELODY VOICE VARI 2, first. (See Example 2 on page 3.)
Now, select MARCH, set BASS/RHYTHM VARIATION
to 1, CHORD VARIATION to 3, and play a key in the
AUTO BASS CHORD section.
Then, select OBOE (changed to BANJO) with CHORD
VOICE VARI. Now, you will get a country-like
accompaniment.

5. BASS VOICE VARI
SAXO- MUSIC —— HARPSI-
ORGAN PICCOLO TRUMPET VIOLIN pong OBOE PIANO BOX CHORD GUITAR SYNTHE| SYNTHE2
BASS VOICE
VARI.
| | | | I ! І І І | | І
1 2 3 4 5 6 7 8 9 10 11 12
With this function, you can set the bass sound for Auto
Bass Chord.
The procedure is the same as with CHORD VOICE VARI.
Press the selector for the sound you like while playing in
the AUTO BASS CHORD key section.
ORGAN PICCOLO TRUMPET моим (ХО. ове РАМО MPSC ARES! суай БҰМТНЕТ SYNTHE2
| І I І ł і І | | | і
= - e m m m ш а m» m m
[3 L3 C3 E3 P3 D3 C3 LJ = Ooo
With the MK-100, for all rhythms, the GUITAR voice is used for
the bass line. You can change it to any sound you prefer by
using this function.
Selector to press
(Example 1) , Synthe. bass SYNTHE 1
(Example 2) ORGAN or PIANO
(Example 3) | Tuba | SAXOPHONE or VIOLIN
= Saec | 00:
(Example 5) MUSIC BOX
*The bass sound set here applies to all rhythms.
*When the sound has been customized with MELODY VOICE
VARI 1 or 2, the CUSTOM sound is used for the bass line.
*To cancel BASS VOICE VARI, press the selectors with illuminated
lamps.
Combine this function with CUSTOM BASSIST (page 9)
to emphasize the features of various bass instruments
for the best effect.

CUSTOM
DRUMMER
6. CUSTOM DRUMMER
(Programmable rhythm machine)
[mer Gem) ж (moon) ж ср GF < «з ее QU
| | | | I І І і І і |
1 2 3 4 5 6 7 8 9 10 11
You can store 12 types of your own rhythm patterns.
Try discovering the fun of creating a rhythm that expresses
your individuality.
Tap the selector you have chosen from among BASS
DRUM, SNARE DRUM, CLOSED HI-HAT, OPEN HI-HAT,
BONGO and CONGA with your finger to input rhythm.
*The rhythm pattern can be input for 2 bars.
(Example 1)
Try programming a new 8 Beat rhythm pattern.
. Select one preset rhythm to be used as the base.
(Select one that is similar to what you want to
program.)
8 BEAT ON
BASS/RHYTHM VARIATION 1
2. Stop the rhythm after slowing the tempo slightly.
3. Press selector 4 (PROGRAM) of MULTI-MENU. The
preset rhythm, or the previously programmed
rhythm will start to play. You are now ready to input.
4. Try writing the following rhythm patterns.
BASS
RUM
Hp
dead
t
d
29
SNARE
DRUM
&f
ЕБ
ee
ИР
ЕНИ
ee
Res
ЖЮ
=
Ee
о о
CLOSED
НЕНАТ т"
OPEN HI-HAT €
Input the rhythm patterns as follows.
1) Push selector 7 (б) while keeping selector
6 (CANCEL) depressed; the bass drum sound
only is cancelled.
2) Tap selector 7 (@), with your finger to input
a bass drum rhythm you like.
3) Do the same with SNARE DRUM or HI-HAT.
[If the selector is tapped out of time]
*If the timing error is less than a semiquaver (a 16th note Л), it is
automatically corrected. If the error has been input, cancel it by
Aperte the selector for that instrument while keeping selector
6 (CANCEL) depressed. Then, input again.
5. When you have input your rhythm, press STOP.

9 Now, let's play back what you have programmed.
*Press the RHYTHM START selector. The stored rhythm
pattern plays.
*To ge the original rhythm again, press selector 1
(PRESET).
"When another Menu is selected while selector
2 (CUSTOM) is on, the existing rhythm pattern remains.
Try other rhythm patterns as shown below.
(Example 2)
MARCHING DRUM (set to MARCH)
easspuM @ ddod J iJ J J J,
SNARE DRUM Є 31442443 ды а
о
ОРЕМ HIHAT & фф
(Ехатріе 3)
ROCK (set to 16 BEAT)
BASS DRUM =)
SNARE DRUM 65
CLOSED
HEMAT ia
OPEN HI-HAT =
(Example 4)
NEW WAVE (set to DISCO)
BASS DRUM (D
SNARE DRUM &f
CLOSED
НІ-НАТ Da:
OPEN HI-HAT Ф
*The close interval rhythm of CLOSED HI-HAT appears difficult to
play, but the autocorrect function of MULTI-MENU will input
perfectly the correct rhythm when you tap the selector very fast.

7. CUSTOM BASSIST
a
(Bass line sequencer)
GUSTOM
[PRESET
CUSTOM]
ж
*
CANCEL
*
ж
ж ж ж
ж
1
2 3 4
5
6
7
8
9
10
11
12
You can create 12 bass lines and store them.
With this Menu, play a bass line with the keyboard.
[
Er Use this one octave for bass lines.
*Bass lines of 2 bars in length are stored.
*Program the bass line only in C Major chord.
The MK-100's computer will change it to any key and any
one of eight types of chord (Major, Minor, 7th, Minor 7th,
Major 7th, Minor 7th flatted 5th, Diminished, and Augmented)
as required.
(Example 1)
Let’s program a REGGAE type bass pattern.
1. Select the SHUFFLE rhythm.
BASS/RHYTHM VARIATION 1
CHORD VARIATION 1
2. Press selector 4 (PROGRAM) of MULTI-MENU.
The preset bass pattern or a previously stored bass
pattern plays with the rhythm. You are now ready
to input.
. Slow down the tempo, and push selector
6 (CANCEL). The bass line is cancelled.
. Play the following bass line on the low octave of
the keyboard.
“If you misplayed, press selector 6 (CANCEL) and play
again.
"When playing the last note of the second bar, if the key is
kept depressed too long, the first note of the line may
be erased.
5. Press STOP to stop the rhythm.