Casio SA-75 User's Guide
Safety Precautions
Before using the keyboard, please read the separate "Safety Precautions" document. This guide also includes important information regarding FCC rules for use in the USA and important information for parents.
FCC Guidelines
This equipment complies with Part 15 of the FCC Rules for Class B digital devices. It is designed to provide reasonable protection against harmful interference in residential installations. If interference occurs, users are encouraged to take measures such as reorienting the antenna, increasing separation, or consulting a dealer or technician. Modifications not expressly approved by the party responsible for compliance may void the user's authority to operate the equipment.
Important Information for Parents
- Before using the optional AD-1 Adaptor, check it and the power cord for damage. Never let children use a damaged AC adaptor.
- Never attempt to recharge batteries.
- Do not use rechargeable batteries.
- Never mix batteries of different types or old and new batteries.
- Use only recommended batteries or equivalent.
- Ensure correct polarity (+/-) when inserting batteries.
- Remove batteries as soon as they show signs of depletion.
- Do not short-circuit battery terminals.
- The product is not intended for children under 3 years.
- Use only the CASIO AD-1 adaptor.
- The AC adaptor is not a toy.
- Disconnect the AC adaptor before cleaning.
Care of Your Keyboard
- Avoid heat, humidity, and direct sunlight. Do not place near air conditioners or in extremely hot places.
- Do not use near a TV or radio, as this can cause interference. Move the instrument away if interference occurs.
- Do not use lacquer, thinner, or similar chemicals for cleaning.
- Clean the keyboard with a soft cloth dampened in a weak solution of water and a neutral detergent, squeezed until almost dry.
- Avoid areas subjected to temperature extremes, as this can dim the LCD screen. The display should correct itself at normal temperatures.
- Lines on the case are a result of the molding process and are not cracks.
Power Supply
The keyboard supports two-way power supply: batteries or household AC power. Always turn off the power when not in use.
Battery Power
- Turn off power before loading batteries.
- To replace batteries: Remove the battery compartment cover, load 5 AA-size batteries ensuring correct polarity (+/-), and replace the cover. Loading batteries while power is on may cause malfunction; turn off and on again if this occurs.
- Battery life is approximately six hours with R6P (SUM-3) manganese batteries under normal conditions. High volume or cold temperatures can shorten battery life.
AC Power
Use only the specified AC adaptor model: AD-1. The AC adaptor may become warm during use, which is normal.
WARNING: Take care to avoid damage to the power cord. A damaged cord creates fire and electrical shock hazards. Use only the specified AC adaptor model to avoid fire and electrical shock.
CAUTION: Always unplug the AC adaptor if the keyboard will not be used for a long time. Turn off power and unplug the AC adaptor when not in use.
IMPORTANT: Ensure the keyboard power is off before connecting or disconnecting the AC adaptor.
Features
- 100 built-in tones
- 30 built-in rhythm patterns
- 10 built-in Song Bank tunes
- Headset microphone support for singing along with built-in tunes
- Play along with Song Bank tune accompaniments
- Tempo and beat display indicators, plus staff notation of notes played
General Guide
The keyboard features a POWER Switch, VOLUME buttons, and a display that shows various indicators and musical notation.
- POWER Switch: Turns the unit ON or OFF.
- VOLUME Buttons: Use [+] to raise volume and [-] to lower volume. Volume can be set from 1 to 5. The default volume is 5.
- Tone Selection: Press the TONE button, then input the two-digit number for the desired tone. The display shows the selected tone (e.g., "23 FLUTE"). The default tone is "00 PIANO".
- Playing on the Keyboard: Notes played appear in the staff notation on the display.
Display Indicators
- Power indicator: Shows power status.
- Display: Shows various settings and musical information.
- TEMPO buttons: Adjust the tempo of patterns and song bank tunes.
- MELODY OFF button: Turns the melody part of Song Bank tunes on or off.
- Pattern button: Selects rhythm patterns.
- SONG BANK button: Selects built-in tunes.
- START/STOP button: Starts and stops playback.
- Speakers: Built-in speakers for sound output.
- DC 7.5V jack: For connecting the AC adaptor.
- Staff Notation: Shows the pitch of sounds played on the keyboard.
- Black key indicator: Shows " " for sharps and " " for flats.
- Note Indicator: Appears when a pattern or Song Bank tune is playing, indicating measure changes.
- Metronome: Moves in time with pattern/song playback.
- Beat Indicator: Marks the beats per measure, turning black as counted.
- Pointer: Indicates the currently selected function (volume, tempo, tone, etc.).
- MELODY OFF status indicator: Shows the on/off status of the MELODY OFF button.
Staff Notation Notes
The display shows notes based on how keys are pressed:
- Pressing One Key: The single note played is shown.
- Pressing Two or More Keys:
- White keys only: All notes played appear.
- Including black keys: Up to 4 notes appear, starting from the lowest note and progressing to the highest.
- Song Bank Play: Melody notes of the Song Bank tunes are displayed, even when the melody is turned off.
Tones
This keyboard uses digitally sampled tones. Some tones utilize multiple samples across low, middle, and high ranges. The point where samples change is called a "split point." Slight differences in tone quality or volume at split points are normal. Some tones do not change pitch when different keys are pressed.
Example Tones and Ranges:
- Low Range: TELEPHONE 1, BASS
- High Range: TELEPHONE 2, PIANO
- Very Low: INSECT
- Low: CONGA/A GO GO
- High: ROCK DRUM
- Very High: A GO GO
- Drum sounds like Bass Drum, Snare Drum, Hi Hat, Cymbal are also mapped to different ranges.
Playing Patterns
The keyboard has 30 built-in patterns across three categories: RHYTHM (percussion), FREE SESSION (automatic chord progressions), and FUNNY (sound effects).
- Find the desired pattern in the Pattern List.
- Press the PATTERN button.
- Input the two-digit pattern number (e.g., "03 ROCK").
- Press the START/STOP button to begin playback.
- Adjust the tempo using the TEMPO buttons ([+] for faster, [-] for slower).
- Press the START/STOP button to stop playback.
Tempo Settings: Tempo ranges from 1 (slowest) to 16 (fastest). The default tempo is 8.
Note: The default tone for patterns is "00 16BEAT". Inputting numbers greater than 29 is ignored. Patterns can be changed during playback.
Using the Song Bank
Enjoy 10 built-in Song Bank tunes. You can listen to them or play along by turning off the melody.
To Listen to a Song Bank Tune
- Find the desired tune in the Song Bank list.
- Press the SONG BANK button.
- Input the two-digit tune number (e.g., "06 SILENT NIGHT").
- Press the START/STOP button to start playback. The tune repeats until stopped.
- Press the START/STOP button to stop playback.
Notes:
- Inputting a single digit (1-9) plays all tunes sequentially, indicated by " " (all) on the display. The default is " " (all).
- Only numbers 00-09 can be input.
- When playing along with the keyboard, the notes played do not produce sound.
- You can change tunes during playback.
- The MELODY OFF button is only operational when playback is stopped. Pressing it while " " (all) is displayed turns off the melody for all tunes.
Changing the Melody Tone of a Song Bank Tune
After starting a Song Bank tune, press the TONE button and input the two-digit number for the desired tone.
About the Pre-tune Count
A pre-tune count sounds before a Song Bank tune starts, but only when the MELODY OFF button is on. The final beat of the count is a higher pitch, indicated by " ". The length of the count is shown in the accompanying musical scores.
Example: " " " " " " " " indicates a 3-beat count.
Troubleshooting
| Problem | Possible Cause | Action |
|---|---|---|
| No sound | 1. Power supply problem 2. Headphones connected | 1. Check battery polarity, battery charge, and AC adaptor connection. 2. Disconnect headphones. |
| Symptoms with dead batteries (e.g., dim power indicator, low volume, distorted sound, sudden power loss, incorrect play, dim display) | Dead batteries | Replace batteries with new ones or switch to AC power. |
| Staff notation notes appear one-by-one when keys are pressed simultaneously | Simultaneous play of white and black keys | No action necessary. |
Specifications
| Keyboard | 37 keys, 3 octaves (mini-size) |
| Polyphony | 4 notes maximum |
| Tones | 100 |
| Patterns | 30 (RHYTHM, FREE SESSION, FUNNY) |
| Song Bank | 10 tunes; melody off |
| Tuning | Fixed; A4 = approx. 442Hz |
| Speakers | Two; ø8.0cm (output: 1.2W + 1.2W) |
| I/O Terminals |
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| Power Supply | Two-way:
|
| Battery Life | Approximately six hours on R6P (SUM-3) manganese batteries |
| Power Consumption | 7.5V 2.5W |
| Dimensions | 65.0(W) x 21.1(D) x 7.8(H) cm (25⁵⁄₁₆ x 8⁵⁄₁₆ x 3¹⁄₁₆ inch) |
| Weight | Approximately 1.4kg (3.1lbs) (without batteries) |
Design and specifications are subject to change without notice.
Company Information
CASIO ELECTRONICS CO., LTD.
Unit 6, 1000 North Circular Road
London NW2 7JD, U.K.
CASIO COMPUTER CO.,LTD.
6-2, Hon-machi 1-chome
Shibuya-ku, Tokyo 151-8543, Japan
This recycle mark indicates that the packaging conforms to the environmental protection legislation in Germany. (Esta marca de reciclaje indica que el empaquetado se ajusta a la legislación de protección ambiental en Alemania.) ♻️
