After reading this document, keep it in a safe place along with the warranty cer tificate. Be sure to read the
“Safety Precautions” in the separate “READ THIS!” sheet, and use the product correctly.
Quick Start Guide
For more detailed information about the product and its operation, visit the CASIO website.
Available Information: User’s Guide, etc.
https://support.casio.com/global/en/emi/manual/CT-S1/
Preparation
Computer, smartphone, etc. (commercially available)
Preparing a Power Supply
■Using the AC Adaptor
Connect the AC adaptor as shown in the right
illustration.
● Make sure that you use only the AC adaptor specified
for this Digital Keyboard.
• Connect using a USB cable that is no more than two meters long.
AC adaptor
Headphones (sold separately)
Portable audio player, etc. (commercially available)
Included Accessories
●Music Stand
●Strap Lock (enclosed with music stand)
●Leaflets
● READ THIS! Sheet
● Other (Warranty, etc.)
Items included as accessories are subject to change
without notice.
Pedal (sold separately)
EN
Practicing with the Metronome
Specify a beat value.
(C2) (C3) (C5) (C6) (C7)(C4)
While holding down...
Specify the tempo.
0
1 2 3 4 5 6 7 8 9
off, 1 - 16
■Using Batteries
Bottom of console
Open
Load six AA-size batteries.
Tab s
Close
Specify the battery type.
See “Specifying the Battery Type” on the reverse
side of this sheet.
Basic Operation
Back
CASIO-specified device
(sold separately)
To install the music stand
Insert the stand into the holes
on the back of the console.
(C2) (C3) (C5) (D5) (E5) (C6) (C7)(C4) (D4) (E4) (F4) (G4) (A4) (B4)
While holding down...
Example: To set a tempo of 80, press 8 (D5) and then 0 (C4), and then release METRONOME.
Selecting a Tone
To use the main tones to select an instrument
20 - 255
Select a variation.
(Power) button
P
Press to turn on power.
Long-press to turn off
po wer.
Touch Response
Pressing a key harder produces louder sound, while a
softer key press produces softer sound.
VOLUME knob
Rotate to adjust overall
volume.
SURROUND button
Press for a more
expanded sound.
(Disabled while
headphones are
connected.)
Auto Power Off
Automatically turns of f power after 30 minutes of nonuse. (On, Off switchable)
Useful Functions
For details about operations, refer to the User’s Guide on the CASIO Website.
■My Setup
Save the current setup (tone, etc.) for later recall.
■Reverb
Output sounds using room, hall, and other acoustic effects.
METRONOME
button
Press to sound the
metronome.
■Octave Shift
Raise or lower the pitch of the keyboard in octave units.
■Transpose
Raise or lower the overall pitch in semitone steps.
Main tone buttons
Press a button to select
its tone.
Pedal
Sustains notes played while the pedal is depressed.
Even if the keys played are released, notes are
sustained as if the keys remain pressed, until the pedal
is released.
TONE VARIATION
button
Press to change to a
different variation of the
currently selected tone.
To select a tone using the keyboard keys
PIANO E.PIANO ORGAN KEYBOARD SYNTH/OTHERS CASIO CLASSIC TO NES
(C2) (C3) (C5) (C6) (C7)(C4)
While holding down...
Registering the Current Main Tone Setup to a Button (Tone Memory)
While holding down...
Press the button of the tone you want to register.
Press to cyc le through
available variations.
See the procedure below for information
about using Tone Memory.
Playing with Two Layered Tones
Specifying the Battery Type
While holding down...
While holding down...
Off/On
(C2) (C3) (C5) (C6) (C7)(C4)
Low tone: Of f
High tone: On
Layers the tones.
Select the tone to layer.
(C2) (C3) (C5) (C6) (C7)(C4)
Keeping FUNCTION depressed, press the tone you want to layer.
PIANO E.PIANO ORGAN KEYBOARD SY NTH/OTH ERS CASIO CL ASSIC TON ES
(C2) (C3) (C5) (C6) (C7)(C4)
Alkaline/Nickel metal hydride
(C2) (C3) (C5) (C6) (C7)(C4)
While holding down...
One tone: Alkaline batteries
Two tones: Rechargeable nickel metal hydride batteries
Returning Settings to Their Initial Factory Defaults (Initialization)
(C2) (C3) (C5) (C6) (C7)(C4)
While holding down...
Keeping FUNCTION depressed, press again.
Long-press. (To get ready)
Playing with Touch Response
(C2) (C3) (C5) (C6) (C7)(C4)
While holding down...
Off: No Touch Response.
Light: Louder notes with lighter touch than Normal.
Normal: Normal Touch Response.
Heavy: Louder notes require a heavier touch than Normal.
Playing with Sustain
(C2) (C3) (C5) (C6) (C7)(C4)
While holding down...
Recording Your Performance
Flashing
Play what you want to record.
This starts recording.
Off, 1 (Light), 2 (Normal), 3 (Heavy)
One low tone: Off
One high tone: Light
Two high tones: Normal
Three high tones: Heav y
Stop recording.
This automatically starts playback.
Off/On
Low tone: Of f
High tone: On
Play back again.
Press multiple times until playback
starts.
(C2) (C3) (C5) (C6) (C7)(C4)
Product Specifications
Model: CT-S1BK /CT-S1WE/CT-S1RD
Keyboard: 61 keys
Touch Response: 3 levels, Off
Maximum Polyphony: 64 notes
Tone Functions: 61 preset tones; Main tone buttons; Layer; Sustain; Tone Memory
Effects: Reverb (24 types, Tone, Off); Chorus; Delay; DSP
Metronome: Bell sound of f, 1 to 16 beats; Tempo Range: 20 to 255
Demo Function: 1 demo song; 10 piano demo songs
Function Volume Adjustment: Metronome
MIDI Recorder: Real-time Recording, Playback; Number of Songs: 1; Capacity:
Approximately 40,000 notes
Other Functions: Transpose (±1 octave, –12 to 0 to +12 semitones); Octave Shift
(±3 octaves); Tuning (A4 = 415.5 to 465.9 Hz; Default = 440.0 Hz); Scales (17 preset
sc ales)
APP Function: iOS, Android supported (connected via the USB terminal)
MIDI: 16-channel multi-timbre receive
Input/Output Terminals: PHONES/OUTPUT jack: Stereo mini jack (3.5mm); AUDIO IN
jack: Stereo mini jack (3.5mm) (Input impedance: 10kΩ, Input sensitivity: 200mV);
USB TO HOST port: micro B; USB TO DEVICE port: Type A; PEDAL jack: Standard jack
(6.3mm) (pedal sustain, sostenuto, soft, metronome)
Power Jack: 9.5VDC
Power Supply: 2-way power supply; Auto Power Off (30-minute trigger time; Can be
disabled)
Batteries: 6 AA-size alkaline batteries or AA-size rechargeable nickel metal hydride
batteries; Approximately 3 hours (alkaline batteries) or approximately 3 hours (nickel
metal hydride batteries) continuous operation
*Measured values while using eneloop batteries.
eneloop is a trademark of Panasonic Corporation.
● Actual continuous operation time may be shorter due to battery type, performance type,
and usage environment.
● Specifying the wrong battery type can cause incorrect display of the battery level and
sudden loss of power.
AC Adaptor: AD-E95100L (JEITA Standard, with unified polarity plug)
Speakers: 13 cm × 6 cm (oval) × 2 (Output: 2.5W+2.5W)
Power consumption: 9.5V=7. 5W
Dimensions: 93.0(W) × 25. 8(D) × 8.3(H) cm (36 5/8 × 10 3/16 × 3 1/4 inch)
Weight: Approximately 4.5 kg (9.9 lbs) (Excluding batteries)
Specifications and designs are subject to change without notice.
*
Press again. (To execute)
This causes a re-start.
●Any reproduction of the contents of this manual, either in part or its entirety, is prohibited.
Except for your own, personal use, any other use of the contents of this manual without
the consent of CASIO is prohibited under copyright laws.
●IN NO EVENT SHALL CASIO BE LIABLE FOR ANY DAMAGES WHATSOEVER
(INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF PROFITS,
BUSINESS INTERRUPTION, LOSS OF INFORMATION) ARISING OUT OF THE USE
OF OR INABILITY TO USE THIS MANUAL OR PRODUCT, EVEN IF CASIO HAS BEEN
ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
●The contents of this manual are subject to change without notice.
●Company and product names used in this manual may be registered trademarks of others.
Declaration of Conformity
Model Number: CT-S1
Trade Name: CASIO COMPUTER CO., LTD.
Responsible party: CASIO AMERICA, INC.
Address: 570 MT. PLEASANT AVENUE, DOVER, NEW JERSEY 07801
Telephone number: 973-361-5400
This device complies with Part 15 of the FCC Rules, Operation is subject to the
following two conditions:
(1) This device may not cause harmful interference, and (2) this device must accept any
interference received, including interference that may cause undesired operation.
A labels rating is affixed to the bottom of the product.
Functions Not Covered in This Manual
These instructions provide general information about main functions.
For more detailed information, refer to the “User’s Guide”.
https://support.casio.com/global/en/emi/manual/CT-S1/
The “User’s Guide” includes information on the topics listed
below.
● Saving a Setup (My Setup)
● Playing with Reverb
● Changing the Pitch in Octave Units
(Octave Shift)
● Changing the Pitch in Semitone Units
(Transpose)
● Playing with a More Expanded Sound
(Surround)
● Changing the Scale (Scale Tuning)
● Other
C
MA2011-A Printed in China