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Casio LK-73 - User Manual

Casio LK-73
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3-Step Lesson
E-32
3-Step Lesson
The 3-step lesson feature takes you through the three distinct
steps described below to help you learn to play tunes on the
keyboard.
J Step 1 – Master the timing.
In this step, pressing any key on the keyboard plays the
correct note, so you can concentrate on getting the timing
right without worrying about playing the right note. The sub-
melody (obbligato) waits until you press a key before
proceeding to the next phrase.
J Step 2 – Master the melody.
In this step, you use the display to learn which fingers you
should use and how loud or soft to play, and the key light
system to learn which keyboard keys to press. The sub-
melody (obbligato) waits until your play the correct note, so
you can learn at your own pace.
J Step 3 – Play at normal speed.
This is where you enjoy actually playing the tunes you learn
using Step 1 and Step 2. The key light system still shows you
which keyboard keys to press, but accompaniment proceeds
at normal speed regardless of whether or not you play the
correct notes.
There are two types of tunes in the Song Bank: Auto
Accompaniment tunes and two-hand accompaniment tunes.
The parts available for 3-step lesson practice depend on the
type of tune you are using.
J Auto Accompaniment Tunes (Numbers 00 through
69)
As their name suggests, these tunes are made up of an Auto
Accompaniment part and a melody part. When using these
tunes for a 3-step lesson, you can practice playing along with
the melody (right hand) part only.
J Two-hand Tunes (Numbers 70 through 99)
These types of tunes are played with both hands, as in a piano
solo. When using these tunes for a 3-step lesson, you can
practice playing along with both the left hand and right hand
parts.
Whenever you select an Auto Accompaniment tune (00 to 69)
for 3-step lesson play, the key lighting system shows you
which keys to press, while the display shows you the notes
and their fingerings.
J Note Pitch
The keyboard key that should be pressed lights, while the
actual pitch of the note appears in the display’s staff notation
area. The fingers you should use to play the notes are also
shown on the display.
J Note Length
Keyboard keys stay lit for as long as the note should be
played. The staff notation and fingerings also remain on the
display for the length of the note.
J Next Note
The keyboard key for the next note to be played flashes, while
a number appears on the display near the finger you should
use to play the next note.
1 START/STOP 2 STOP 3 LEFT/TRACK 1
4 STEP 1 5 STEP 2 6 STEP 3
Tune Types and Their Parts
Key Lighting System Operation and Display
Contents During 3-step Lesson Play
641A-E-034A

Questions and Answers

  • N
    Nicholas VincentAug 16, 2025
    How to fix no sound on my Casio LK-73 Electronic Keyboard?
    • J
      Joshua LevineAug 16, 2025
      If your Casio Electronic Keyboard isn't producing any sound, there are several potential causes. First, ensure the AC adapter is correctly attached or that the batteries are properly installed and not depleted. Next, verify that the power is turned on by pressing the POWER button and that the VOLUME slider is appropriately adjusted. Also, check that the MODE switch is set to NORMAL. Additionally, ensure LOCAL CONTROL is on. Finally, if using MIDI, confirm that the VOLUME and EXPRESSION parameters are not set to 0 and adjust them if necessary.
  • G
    Gabrielle Hardy MDAug 19, 2025
    What to do if my Casio LK-73 Electronic Keyboard has low battery symptoms?
    • T
      Timothy HendersonAug 19, 2025
      If you're experiencing issues such as a dim power indicator, failure to turn on, a flickering display, low volume, distorted sound, sound interruptions, sudden power failures, or abnormal rhythm patterns while using battery power on your Casio Electronic Keyboard, the batteries are likely low. Replace them with a fresh set or use the AC adapter.
  • S
    Sandy SmithAug 22, 2025
    Why does my Casio Electronic Keyboard sound unnatural when connected to a computer?
    • M
      Matthew LeeAug 22, 2025
      If your Casio Electronic Keyboard produces an unnatural sound when connected to a computer, the computer’s MIDI THRU function may be turned on. Turn off the MIDI THRU function on the computer or turn off LOCAL CONTROL on the keyboard.
  • G
    Gregory WarnerAug 25, 2025
    How to enable touch response on Casio LK-73 Electronic Keyboard?
    • H
      harrisbarbaraAug 26, 2025
      If the sound output of your Casio Electronic Keyboard does not change when key pressure is varied, the touch response is likely turned off. Press the TOUCH RESPONSE button to turn it on.
  • J
    James FordAug 27, 2025
    Why is there no Auto Accompaniment sound on my Casio Electronic Keyboard?
    • S
      Shane ParkAug 28, 2025
      If the Auto Accompaniment on your Casio Electronic Keyboard isn't producing sound, the accompaniment volume might be set to 000. Use the ACCOMP VOLUME button to increase the volume.
  • T
    Tanya HenryAug 31, 2025
    What to do if General MIDI data notes don't match on my Casio Electronic Keyboard?
    • L
      lindawrightAug 31, 2025
      If, when playing General MIDI data with a computer, the playback notes on your Casio Electronic Keyboard do not match the notes produced when lit keys are pressed, the SOUND RANGE SHIFT setting is likely incorrect. Use the TRANSPOSE/TUNE/MIDI button to display the SOUND RANGE SHIFT screen and correct the setting.
  • C
    Carol CunninghamSep 2, 2025
    How to match keys with another MIDI instrument on Casio LK-73 Electronic Keyboard?
    • R
      Rebecca LopezSep 3, 2025
      If the keys or tunings do not match when playing your Casio Electronic Keyboard with another MIDI instrument, the transpose or tuning is likely set to a value other than 00. Use the TRANSPOSE/TUNE/MIDI button to display the applicable setting screens and set both transpose and tuning to 00.
  • D
    David CaseSep 5, 2025
    Why does a key light stay on on my Casio LK-73 Electronic Keyboard?
    • P
      patrickadkinsSep 6, 2025
      If a key light stays on, your Casio Electronic Keyboard may be waiting for you to play the correct note during Step 1 or Step 2 play. Press the lit key to continue with Step 1 or Step 2 play. Alternatively, press the START/STOP button to quit Step 1 or Step 2 play.
  • C
    Curtis KingSep 9, 2025
    Why are keys lit but no sound is produced on my Casio Electronic Keyboard?
    • D
      David ArmstrongSep 9, 2025
      If the keys are lit but no sound is being produced on your Casio Electronic Keyboard, the power on alert may be reminding you that the power was left on without any operation being performed. Press any button or keyboard key to restore power to normal.
  • G
    Gary SmithSep 12, 2025
    Why can't I record chord accompaniment data on my Casio LK-73?
    • K
      kevin21Sep 12, 2025
      If you cannot record chord accompaniment data on a computer from your Casio Electronic Keyboard, ACCOMP MIDI OUT may be turned off. Turn on ACCOMP MIDI OUT.

Summary

Song Memory Function

Real-time Recording to Track 1

Records notes and chords as played in real-time to Track 1.

Playing Back from Song Memory

Procedure to play back recorded songs from memory.

Real-time Recording to Track 2

How to add a melody to Track 2 while playing back Track 1.

Recording Chords with Step Recording

Records chord progressions in Track 1 using step recording.

Step Recording Melody to Track 2

Step-by-step recording of melody notes to Track 2.

Editing Data While Step Recording

Procedure to edit data by moving the input point and rewriting.

Deleting the Contents of a Specific Track

How to delete all data from a specific track (Track 1 or Track 2).

Keyboard Settings

Using Layer

How to layer two different tones for a richer sound.

Using Split

How to assign different tones to the left and right hands, setting a split point.

Casio LK-73 Specifications

General IconGeneral
Number of Keys61
Tones100
Rhythms50
Built-in Songs10
Lesson FunctionYes
DisplayLCD
TerminalsMIDI In/Out
Power SupplyAC adapter or batteries
Touch ResponseYes
Speakers2 x 2.5W

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