Casio 451 manual Power Supply, Using batteries, Using the AC Adaptor, To load batteries

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Power Supply

This keyboard can be powered by current from a standard house- hold wall outlet (using the specified AC adaptor) or by batteries. Al- ways make sure you turn the keyboard off whenever you are not using it.

Using batteries

Always make sure you turn off the keyboard before loading or re- placing batteries.

To load batteries

1. Remove the battery compartment cover.

2. Load 6 AA-size batteries into the battery compartment.

•Make sure that the positive (+) and negative (–) ends are fac- ing correctly.

3. Insert the tabs on the battery compartment cover into the holes provided and close the cover.

The keyboard may not function correctly if you load or replace bat- teries with power turned on. If this happens, turning the keyboard off and then back on again should return functions back to normal.

Important Battery Information

■The following shows the approximate battery life.

Manganese batteries ................ 2 hours

The above value is standard battery life at normal temperature, with the keyboard volume at medium setting. Temperature ex- tremes or playing at very loud volume settings can shorten bat- tery life.

■Any of the following symptoms indicate low battery power. Re- place batteries as soon as possible whenever any of the follow- ing occurs.

•Dim power supply indicator

•Instrument does not turn on

•Display that is flickering, dim, or difficult to read

•Abnormally low speaker/headphone volume

•Distortion of sound output

•Occasional interruption of sound when playing at high vol- umes

•Sudden power failure when playing at high volumes

•Flickering or dimming of the display when playing at high volume

•Continued sound output even after you release a key

•A totally different tone may sound

•Abnormal rhythm pattern and Song Bank play

•Loss of power, sound distortion, or low volume when playing from a connected computer or MIDI device

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IMPORTANT!

Improper handling of batteries can cause them to burst and leak, which creates the danger of personal injury or damage due to con- tact with battery acid. Be sure to note the following important precau- tions.

•Always make sure that the positive (+) and negative (–) poles are facing correctly as indicated near the battery compartment.

•To avoid damage caused by leaking batteries, be sure to remove batteries from the keyboard whenever you leave it unattended for long periods (such as when leaving on a trip).

•Never mix batteries of different types.

•Never mix old batteries with new ones.

•Never discard batteries by incinerating them, do not allow their poles to be shorted (connected to each other), never take batteries apart, and do not expose batteries to direct heat.

•Replace batteries as soon as possible after any sign they are get- ting weak.

•Never attempt to recharge batteries.

Using the AC Adaptor

Make sure that you use only the AC adaptor specified for this key- board.

Specified AC Adaptor: AD-5

DC 9V jack

OUT MIDI IN

AC adaptor AD-5

SUSTAIN

PHONES/

DC 9V

OUTPUT

AC output

Also note the following important warnings and precautions when using the AC adaptor.

WARNING!

•Take care to avoid any damage to or breakage of the power cord. Never place any heavy objects on the power cord or expose it to direct heat. Doing so creates the danger of power cord damage, fire, and electrical shock.

•Use only the specified AC adaptor. Use of another type of adaptor cre- ates the danger of fire and electrical shock.

CAUTION!

•For safety sake, be sure to unplug the AC adaptor from the wall outlet whenever leaving the keyboard unattended for a long time (such as when leaving on a trip).

•Always turn off the keyboard and unplug the AC adaptor from the wall outlet when you are not using the keyboard.

IMPORTANT!

•Make sure that the keyboard is turned off before connecting or disconnecting the AC adaptor.

•Using the AC adaptor for a long time can cause it to become warm to the touch. This is normal and does not indicate malfunction.

622A-E-016A

CTK451_E08_17

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Contents USER’S Guide Guía DEL Usuario CTK451Ecover1 01.7.26, 1039 AM Adobe PageMaker 6.5J/PPC Welcome Introduction Safety Precautions Do not disassemble or modify the instrument Care Contents Care of your keyboardMidi General Guide +/- buttonsRear Panel Using the Display Tone Rhythm Song Bank Status Tempo Main VolumePress the Song Bank button to enter the Song Bank Mode Song Bank Quick ReferenceTo play back a Song Bank tune Press the PLAY/PAUSE button to start play of the tuneTone REW Stop Right ON/OFF Accessories and Options ConnectionsPhones/Output Terminal Sustain jack TerminalPower Supply Using batteriesUsing the AC Adaptor Important Battery InformationAuto Power Off To disable Auto Power OffBasic Operations To play the keyboardSelecting a Tone To select a tonePolyphony Digital SamplingAuto Accompaniment Selecting a RhythmPlaying a Rhythm To select a rhythmAdjusting the Tempo Using Auto AccompanimentTo adjust the tempo About the Graphic MetronomeMajor chords Minor chords mSeventh chords Minor seventh chords m7Using a Fill-in Pattern Adjusting the Accompaniment VolumeSynchro Starting Accompaniment with Rhythm Play To insert a fill-inUsing the Song Bank Press the Stop button to stop playback of the Song Bank tuneSong Bank Mode Display Adjusting the Tempo of a Song Bank TuneTo Change the Tone of a Song Bank Tune’s Melody Playing Along with a Song Bank TuneTo play along with a Song Bank tune While a song is playing back, press the Tone buttonApplause Sound To consecutively play back all Song Bank tunesTo turn off the applause sound To end playback, press the Stop buttonUsing the Chord Book To Look Up a Chord Using the Chord BookWhat is a chord? Chord NamesPress the Clear button Chord Symbol Modifier Type Reference Key Name Chord Name Modifier KeysKeyboard Settings Tuning the KeyboardTransposing the Keyboard To transpose the keyboardWhat is MIDI? General MidiMidi Connections Midi ChannelsChanging Midi Settings Use + and -to change the setting of the parame- terTo change Midi parameters Parameters and Their DisplaysTroubleshooting Problem Possible Cause Action SeeConnected to a computer Trol on the keyboard Specifications Appendix/Apéndice No scale for tones Fingered Chord Chart Cuadros de acordes Fingered Percussion Assignment List Lista de sonidos de percusión 622A-E-075A 622A-E-076A 622A-E-077A CTK Remarks Hon-machi 1-chome

451 specifications

The Casio 451 is a remarkable timepiece that combines classic design with contemporary features, making it a favorite among watch enthusiasts. Known for its reliability and functionality, the Casio 451 showcases the brand's dedication to innovation while honoring its legacy.

One of the main features of the Casio 451 is its precision quartz movement. This technology ensures accurate timekeeping, minimizing the hassles of manual winding. The watch is powered by a long-lasting battery, providing extended use without frequent replacements, which is a testament to Casio's commitment to convenience.

The Casio 451 stands out with its rugged yet stylish design. The case is crafted from high-quality stainless steel, offering durability and resistance to wear and tear. Its water-resistant capabilities make it suitable for various environments, allowing wearers to enjoy everyday activities with peace of mind. Additionally, the mineral glass crystal protects the dial from scratches, ensuring that the watch maintains its pristine appearance over time.

In terms of functionality, the Casio 451 is equipped with an array of features that appeal to both casual users and professionals. The watch includes a date display, which is particularly useful for those on the go. Additionally, its luminous hands and markers enhance visibility in low-light conditions, making it practical for night-time wear as well.

Another noteworthy characteristic of the Casio 451 is its versatility in design. Whether dressed up for formal occasions or worn casually, this watch seamlessly complements various styles and outfits. The comfortable strap ensures a secure fit on the wrist, allowing for all-day wear without discomfort.

Casio is also known for its commitment to environmental responsibility. The manufacturing process of the 451 emphasizes sustainability, incorporating eco-friendly materials wherever possible. This aspect not only reflects the brand's ethical standards but also appeals to a growing demographic of environmentally-conscious consumers.

In summary, the Casio 451 encapsulates a perfect blend of style, functionality, and durability. Its precision quartz movement, robust construction, and thoughtful features make it a reliable choice for anyone in search of a versatile timepiece. Whether you're navigating daily tasks or enjoying leisure activities, the Casio 451 proves to be more than just a watch; it’s a trusted companion for life's moments.
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