Worlde W8820B User manual

1
To the happy family of satisfied electronic musical instrument owners! To get the
most out of the many features and functions of the digital piano, please be sure
to read carefully this manual and keep it at hand for future reference.
MAIN FEATURES
WELCOME ...
W8812B:88-key standard piano touch response keyboard.
Voice setting function, Relative voice parameter will be selected automatically after choosing one voice.
Various types of commonly-used voices and styles for rapid choice.
With 9 groups of percussion instrument and a special-effect-voice, including a group of Chinese
Be able to synthesize certain digital effects like the reverb, chorus, and so on,which could
Minus Channel Mode and Repeated Playback function are excellent for teaching and practicing.
Song Recording function can record one accompaniment track and five melody tracks.
Be able to record user’s songs.
Beautiful demo songs, making great contributions to lifting your performance level.
Memory Bank can reserve at most 8 panel parameter settings and each setting can be recalled whenever you want.
MIDI function makes your instrument able to connect to any other standard MIDI system.
163 different kinds of well-chosen voices, including 4 voices of Chinese
Almost including 100 popular accompaniment styles in the world. Each rhythm has its own intro and
folk instruments(Trichord, Gu-zheng, Erhu, Suona).
traditional percussion instrument.
create various sound field effects.
main (A, B), variation and ending.
W8820B:88-key standard piano keyboard with hammer action.

CONTENTS
2
W8820B/W8812B
Safety Precautions ............................
Preparations ............................
4-5
External Terminals .............. 5
* Earphone Output
5
* ......................................MIDI In/Out 5
Panel Control&Terminals . ... ... .. ... ... ... ... .. 6
Function Groups.................................... 21
24
26
26
.........................*SYNCHRO Start
26
* .........................SYNCHRO Stop
27
* Stop Playing ...............................
27
* ......................... Main A/B &fill-ins
28-30
* .......................................... Ending
28
MIDI Function ...........................
Playing the Piano ............................. 8~10
Sustain Pedal............................................ 20
Chord .................................................... 22 23~
22
* ........................ Chord Mode
23
* ..........Writing the Chord Name
* .............................What is MIDI
* ........................ Remote Passage 29
* ........................ Keyboard Output 29
* ....................Connecting to a PC 30
Appendix ........................................ 31
* ...................................Voice List 31-32
* ..............................Rhythm List 33
Basic Operations ............................... 7
Control and Effect ...........................11~15
Auto Accompaniment ....................... 16
Song Recording .......................................
17~19
Using Auto Accompaniment
* ...........................Drum Set Table 34
* ...........................Troubleshooting 35
* Fingered Mode .................... 24.......
* Single Finger Mode ................... 24
3
.........
.............................
................
*......

Locations：
Avoid exposure to sunlight.
Do not place the item in or near overheated places like car or over for a long time.
Do not place the item in places of moisture, dirty and vibrated.
Do not place the item near facilities with strong electromagnetic such as television and radio.
Avoid strong crash and scratches with hard object.
Turn off the power supply when not in use. If the item is not in use for a long time.
Cut the power supply if any of the following occur：
Power supply cable is damaged.
Fluid is splashed into/onto the item.
Thundering.
When cutting the power supply, plug out the power socket, rather than pull the cable.
When connecting to an external power supply, mind the maximum rated power.
Clean the item with soft and clean cloths. Few amounts of neutral cleanser could be used
but never use solvents which would damage the finishing of the piano, such as alcohol,
SAFETY PRECAUTIONS
3
W8820B/W8812B
benzene, paint, or diluents.

4
PREPARATIONS
● Setting up of W8820B
W8820B/W8812B
Setting up of W8812B
1.Fasten the left and right feet to the pedal
2.Fasten the shelter board to the left and
right feet with 4 bolts and screws.
3.Place the piano body onto the plank, and fix it
4.Connect the cable of foot switch with the
socket cable.
rack with 2 bolts at each side.
with 2 zinc-gilded screws at each side as shown
in the illustration.
1.Fix the left and right feet on the ground
2.Put 4 zinc-gilded screws into the small holes
in the bottom of back board. Then put 2 more
screws into the holes in the top of the back board.
4.Place the piano body onto the plank, and fix it
5.Connect the cable of foot switch with the
socket cable (As shown in the illustration).
board with 2 black screws at each side.
with 2 zinc-gilded screws at each side as shown
in the illustration.
5
3.Put 4 wooden screws into the small holes in the
front left and right feet,2 for each side. Then fix these
feet separately on the ground board and ground feet.

● Earphone Output
PREPARATIONS
5
Put a standard earphone to connect this instrument’s PHONE plug.
While connection is made, you may only hear the sound inside the
earphone and practice the music without disturbing others.
MIDI IN receives data from the outside MIDI devices connected(e.g. Sequencer).
MDI OUT sends MIDI data of this instrument.
● MIDI Input/Output
W8820B/W8812B
External Terminals
▲▲
Headphone
▲▲▲
▲▲▲▲
DC12V
W8820B:
▲▲
Headphone
▲▲▲
▲▲▲▲
DC12V
W8812B:

6
Panel
........ 16
17.[SONG RECORDING] button . .
18
16.[TEMPO] button
■ Control Board:
7
2.[MASTER VOLUME] dial
4.[MENU] button
3.[VOICE] button .............
10
....
5.[ ] +]&[- button
6.[METRONOME]
7.[DEMO] button ............7
8.LED SCREEN ............
9.[A/B SHIFT] button ....... . . . 7
10.[TOUCH] button .... ......111 11.[REVERB] button
. ......... 13
1.Power Switch ......
7
...........
.................
.............
.......... 15
....
...
....
....
....
...
12.[DUAL ] button
.........
11
13.[KEYBOARD SPLIT] button . .
.....
[SYNC STOP] button ..
24
[SYNC START] button .. 24 [CHORD] button ...... 16 [INTRO]button ....... 25
[ENDING] button ..... 25
[MAIN B]/[FILL-INS]
25
[MAIN A]/[FILL-INS] ..... 25
15.[ACMP VOLUME] button . . . 16
14.[ACMP ON/OFF] button
....
.
W8820B/W8812B
PANEL CONTROL & TERMINALS
▲
1
2
3
8
DUA L SPLIT ON TOU . ON/OFF R EV. ON-O FF CH O. ON-O FF HAR.ON -OFF MI N.ON -OFF A CMPF REEZ E 0 1 2 3 4 5678 9 MEM ORY CL EAR CHO RD
EXI T
VOIC E
STYL E SEVO ICE S. VOIC E S.SPLI T ACCS PPNT TOUC H REVE RB CHO RUS HA RMON Y MINU SOFF SO NG NO.T RACK T UNIN G TRAN SP.BA NK ACC MP VOL + ACCMP V OL-TEM PO+TE MPO-
10
13
5
7
6
911
12
17
15
16
4
[STYLE]button . . . . . 16
..........
.....
12

7
W8820B/W8812B
BASIC OPERATIONS
Press the [DEMO] button, the screen shows [E.0.1.], this piano will play all the demo songs automatically.
The songs will be played in order and circularly before being stopped.
There are all together 22 to 100 demonstration songs in this instrument, which thoroughly display its excellent
quality in the tone and melody. You can get a general idea of this instrument through them.
DEMO SONGS
*
●
■Turn on the Power
● Open the keyboard cover, and set up the music stand.
●
This instrument will be supplied with direct current power, by connecting the output terminal of the adaptor with
Set the Power Switch to 1 position, then the screen shows 001, and then adjust the Master Volume dial to set the
You should wait another 2 or 3 seconds to restart
this instrument after you just turn it off, for it
needs this time to make the internal circuit
discharge completely. Otherwise, some abnormal
During normal performance, the master volume
should be set to max. 3/4position, as some voices
will distort if the volume is over 3/4.
phenomenon might occur during the performance.
Notice:
.
VOLUME
MAXMIN
■ A/B Shift Functions
●LED lighting shows the functions shown below the buttons are selected, otherwise, the functions
Power Switch
DEMO SONG
-
+
.
volume you want.
DC 12 V power input jack.
shown above the buttons are selected.
Press [Play/Stop]button to stop the playback.

SONG PAUSE FUNCTION
8
PLAYING THE PIANO
W8820B/W8812B
● In auto accompaniment mode, press the [ can stop the present demo song SYNC START/STOP]
being played. If you press [SYNC START/STOP] button again the demo song will be played again.
No parameter for this shows on the screen.
FF/REW FUNCTION
With this function you can control the FF/REW function freely when the songs are being played.
● In auto accompaniment, press the [MAIN A] button after playing the demo songs will move the
song back toward the beginning.
Press the [MAIN B] can fast forward the song being played.
*
MINUS CHANNEL MODE
Under this mode, the left/right part of the keyboard of the demo can be closed in order to make
you more convenient to follow the playing. The relative parameter shows on the screen.
*
● Press the [MENU] button and the keyboard will enter into function mode, the LED above [MENU] button
[+] and [-] buttons to close the appointed part. The parameter is “J00-J01-J02”.
start/stop
MAIN A MAIN B
This function will make a pause of the song. Press this button again can restart the song
from the stopped point.
will be lighting at the same time. Press the key functioned as [MINUS OFF] button and then press

9
MENU
Minus Channel Mode has no effect
on the song
PARAMETER
Notice:
.
your selection.The instrument will automatically turn on 001 acoustic ground piano.
PLAYING THE PIANO
W8820B/W8812B
you record by yourself.
MODE
MINUS ON
Right hand MinusMod
MinusMod Left hand
This instrument comes with 163 built-in voices (01-163) and 10 percussion groups (01-10)for
SELECTING AND PLAYING A VOICE
MINUS OFF

10
Selecting the Keyboard Percussion Function
While selecting the Percussion, you may not use
the DUAL and the HARMONY function
on the percussion instrument.
You can use [+] and [-] buttons or numeric buttons to select any of the 163 voices when the LED
shows 001.
Selecting a Voice
You can also select the voice number by the
numeric buttons under voice mode. More
information please refer to the specification
of numeric buttons. The voice list is in the
Notice:
.
.
Notice:
These buttons are used to input the desired voice number. For two-digit numbers (01-99) entries, simply
pressing the two numbers in order will be fine. For example, if you want to select voice number 57, you
NUMERIC BUTTON
●
Some keys on this instrument can be used as numeric button which is used for choosing some functions rapidly.
Press the [MENU] button then the LED will be lighting and the keys will be used as NUMERIC BUTTONS at this time.
*
When it comes to three-digit number entry, hold [1] until it appears at hundred’s place, then input the next
●
PLAYING THE PIANO
W8820B/W8812B
appendix.
at the
same time. These functions will automatically
just have to press [5] and [7].
two numbers following the same procedure as above.
-+
MENU
0 1 2 3 4 5678 9
-+
Keep pressing [VOICE] button when the digit 154-163 shows in the LED, and then select one of the 10
groups of percussion with [+] and [-] buttons, the name of the percussion is in the percussion voice list
The keyboard can play the drums and other percussion instrument under keyboard percussion mode.
in the appendix.
close. The transpose parameters have no effect