Casio SA-51

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Casio SA-51 Mini Keyboard User Manual

Model: SA-51

1. Introduction

This manual provides essential information for the safe and effective use of your Casio SA-51 Mini Keyboard. Please read these instructions thoroughly before operating the instrument and retain them for future reference. The Casio SA-51 is a compact electronic keyboard designed for beginners and casual players, featuring 32 mini keys, 100 tones, 50 rhythms, and 10 built-in songs.

2. Package Contents

Verify that all items are present in the package:

  • Casio SA-51 Mini Keyboard
  • User Manual (this document)

Note: An AC power adapter (Casio AD-E95100LG) is sold separately and is not included with the standard SA-51 Single package. The keyboard can also be powered by batteries.

3. Setup

3.1 Power Supply

The Casio SA-51 can be powered using either batteries or an optional AC adapter.

Using Batteries:

  1. Open the battery compartment cover located on the underside of the keyboard.
  2. Insert six AA-size alkaline batteries, ensuring correct polarity (+/-).
  3. Close the battery compartment cover securely.

Using an AC Adapter (Sold Separately):

  1. Connect the Casio AD-E95100LG AC adapter to the DC 9.5V jack on the rear of the keyboard.
  2. Plug the AC adapter into a standard wall outlet.
Rear view of Casio SA-51 Mini Keyboard showing the DC 9.5V power input jack.

Image: Rear view of the Casio SA-51 Mini Keyboard, highlighting the DC 9.5V power input jack for connecting an AC adapter.

3.2 Connecting Headphones

To practice privately, connect a pair of headphones with a 3.5mm stereo mini plug to the PHONES/OUTPUT jack located on the side of the keyboard. The internal speakers will automatically mute when headphones are connected.

4. Operating Instructions

4.1 Power On/Off

Locate the ON/OFF switch on the top left panel of the keyboard. Slide the switch to the ON position to power on the instrument. Slide it to OFF to power off.

Close-up of a hand pressing the Piano button on the Casio SA-51 Mini Keyboard, showing the power switch nearby.

Image: A hand interacting with the control panel, showing the power switch (ON/OFF) and volume slider on the left side of the keyboard.

4.2 Adjusting Volume

Use the VOLUME slider, located next to the power switch, to adjust the overall output level of the keyboard. Slide it towards MAX for louder sound and towards MIN for softer sound.

4.3 Selecting Tones (Instrument Sounds)

The SA-51 features 100 different instrument tones. To select a tone:

  1. Press the TONE button. The display will show the current tone number.
  2. Use the number buttons (0-9) to enter a two-digit tone number (e.g., 01 for Piano, 02 for Trumpet).
  3. Alternatively, use the + and - buttons next to the display to cycle through tones.

The keyboard defaults to Piano tone (01) when powered on. Dedicated buttons for PIANO, TRUMPET, and DRUMS are also available for quick selection of these common tones.

4.4 Selecting Rhythms (Accompaniment Patterns)

The SA-51 includes 50 built-in rhythm patterns. To select and play a rhythm:

  1. Press the RHYTHM button. The display will show the current rhythm number.
  2. Use the number buttons (0-9) to enter a two-digit rhythm number.
  3. Press the START/STOP button to begin or end the rhythm playback.

4.5 Playing Built-in Songs

The keyboard has 10 demonstration songs. To play a song:

  1. Press the SONG button. The display will show the current song number.
  2. Use the number buttons (0-9) to select a song.
  3. Press the START/STOP button to begin or end song playback.

4.6 Function Button

The FUNCTION button allows access to additional settings:

  • REVERB: Adds an echo effect to the sound.
  • TUNING: Adjusts the overall pitch of the keyboard.
  • METRONOME: Provides a click track for practice.
  • OCTAVE: Shifts the pitch of the keyboard up or down in octaves.

Press the FUNCTION button repeatedly to cycle through these options, then use the + and - buttons to adjust the setting.

4.7 MIDI USB Connectivity

The SA-51 supports MIDI over USB, allowing it to connect to a computer (Windows, macOS, Linux) for use with music software. Connect a USB cable (Type A to Type B, not included) from the keyboard's USB port to your computer. No special drivers are typically required for basic MIDI functionality.

Top-down view of the Casio SA-51 Mini Keyboard, showing the full layout of keys and control panel.

Image: An overhead view of the Casio SA-51 Mini Keyboard, displaying the 32 mini keys and the entire control panel with various buttons and the display.

5. Maintenance

  • Cleaning: Wipe the keyboard with a soft, dry cloth. For stubborn dirt, use a cloth lightly dampened with water and a mild detergent, then wipe dry immediately. Avoid abrasive cleaners, solvents, or waxes.
  • Storage: Store the keyboard in a cool, dry place away from direct sunlight, extreme temperatures, and high humidity.
  • Battery Replacement: If using batteries, replace all six batteries at the same time. Do not mix old and new batteries, or different types of batteries. Remove batteries if the keyboard will not be used for an extended period to prevent leakage.

6. Troubleshooting

ProblemPossible CauseSolution
No power
  • Power switch is OFF.
  • Batteries are dead or incorrectly inserted.
  • AC adapter is not connected or faulty.
  • Slide power switch to ON.
  • Replace batteries with new ones, ensuring correct polarity.
  • Check AC adapter connection and wall outlet.
No sound
  • Volume is set to MIN.
  • Headphones are connected.
  • Tone volume is too low.
  • Increase the VOLUME slider.
  • Disconnect headphones if you want sound from speakers.
  • Ensure tone volume is not set to zero (if applicable via function menu).
Keys do not respond
  • Keyboard is not powered on.
  • Internal malfunction.
  • Check power supply.
  • If problem persists, contact Casio customer support.

7. Specifications

FeatureDetail
Model NameSA-51
Number of Keys32 Mini Keys
Dimensions (W x D x H)44.6 cm x 20.8 cm x 5.1 cm (17.56 in x 8.19 in x 2.01 in)
WeightApproximately 1 kg (2.2 lbs)
Tones100
Rhythms50
Built-in Songs10
ConnectivityMIDI USB, 3.5mm Headphone/Output Jack
Power Source6 x AA batteries or optional AC Adapter (AD-E95100LG)
Output Power1 Watt
Body MaterialAcrylonitrile Butadiene Styrene (ABS)
Skill LevelBeginner
Image showing the dimensions of the Casio SA-51 Mini Keyboard, indicating a width of 21 cm (8.4 inches).

Image: A visual representation of the Casio SA-51 Mini Keyboard's dimensions, specifically highlighting its width of 21 cm (8.4 inches).

8. Warranty and Support

Casio products are manufactured to high-quality standards. For information regarding warranty coverage, terms, and conditions, please refer to the warranty card included with your product or visit the official Casio website for your region.

For technical assistance, troubleshooting beyond this manual, or service inquiries, please contact Casio customer support. Contact details can typically be found on the official Casio website or in your product documentation.

Official Casio Website: www.casio.com

9. Additional Product Views

Front view of the Casio SA-51 Mini Keyboard.

Image: Front view of the Casio SA-51 Mini Keyboard, showcasing its compact design.

Side view of the Casio SA-51 Mini Keyboard.

Image: Side view of the Casio SA-51 Mini Keyboard, illustrating its slim profile.

A child happily playing the Casio SA-51 Mini Keyboard on the floor.

Image: A young child engaged in playing the Casio SA-51 Mini Keyboard, demonstrating its suitability for small hands and portability.

Overhead view of a child playing the Casio SA-51 Mini Keyboard.

Image: An aerial perspective of a child playing the Casio SA-51 Mini Keyboard, highlighting the ease of access to its keys and controls.

Overhead view of the Casio SA-51 Mini Keyboard surrounded by small toys and accessories.

Image: A top-down shot of the Casio SA-51 Mini Keyboard, presented in a playful setting with various small items, emphasizing its appeal as a beginner's instrument.

© 2023 Casio Computer Co., Ltd. All rights reserved.

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