Casio Guitar DG-20 User's Manual
Contents
1. Manual del Ejecutante Player s Manual Pr A RE EN ES Ty ES EY 2 E ee a ee eae Ce y g OISVD a Te eT a 4G CE 7 EER f es ee ee a SR O S D E O S S A E A E A gt EA i AE EAA RN ete ias a A ti tii of ri __ CASIO DIGITAL G Thank You And congratulations on your choice of the CASIO DG 20 Digital Guitar Your digital guitar is an entirely new type of digital musical instrument which features the latest in state of the art digital technology Read the Manual To obtain optimum performance and assure long term reliability be sure to read this manual carefully before playing your new DG 20 guitar m Contents of this manual are subject to change without notice m CASIO has done its best to include all pertinent information on the DG 20 in this manual If you should find any errors or have questions on the contents please contact your distributor CASIO reserves exclusive rights to the contents of this manual m CASIO does not claim responsibility for damages or claims incurred as a result of the use of the DG 20 or this manual Important Precautions2. a parece SA A A E VE A tet me neers HEIN meeps op Side Panel Control Section Tone Selectors D Select Key Select Indicator The tone selectors are used to specify desired guitar tones Note that two tones are assigned to each tone selector When the select indicator is OFF the upper tones are specified To select a lower tone written in green press the select key The select indicator lights indicating lower tones may be selected Note that effects such as Chorus and Vibrato are built in to various tones 2 Rhythm Selectors 13 Select Key Select indicator The rhythm selectors are used to specify desired rhythms Note that two rhythms are assigned to each rhythm selector When the select indicator is OFF the upper rhythms are specified To select a lower rhythm written in green press the select key The select indicator lights indicating lower tones may be selected Tempo Control Keys Used to adjust rhythm tempo Press the lt A gt key to speed up rhythm or the lt V gt key to slow rhythm down Hold the key down to make major changes in tempo Press both keys simultaneous ly to initialize tempo reset at factory setting 120 Tempo Indicator Indicates the tempo of auto rhythm Lights to indicate the first beat of each measure Also lights when in stand by status in Synchro start mode TONE AC GUITAR 1 G e GUITAR 3 ATO ial ate otal
3. Speaker PS v Output MIDI OUT Tuning Control 4 Foot Switch Jack 6 MIDI Mode Switch 7 MIDI Out Terminal Note There are two different basic types of preset sounds built in to the DG 20 sounds which decay such as the acoustic guitar tone and sounds which are sustained such as the jazz organ tone Sustained sounds may be cut off by using the mute key or by releasing the fretboard which turns OFF the built in sensor switch Household Batteries AC Current Car Cigarette Lighter Use Six D size SUM 1 Batteries Back Side Panel Connection Panel AC Adaptor AD 5 Connecting AC Adaptor Connection of an AC adaptor Sit AD 5 optional allows the unit to be powered by standard f household current Inserting and Use only an adaptor with the same voitage rating as your local power supply Replacing Batteries Remove the battery compartment cover and insert batteries taking care that polarity is correct When replacing batteries be sure to replace all six to ensure longer battery life Turn power OFF before replacing batteries Battery life of high performance SUM 1 dry cells is approximately 18 hours Weakened batteries will Cause the power indicator to lose Its brightness and result in lower volume poor tonal quality and eventually misoperation of unctions If such symptoms occur replace all
4. Contents Features and Functions Power Supply Changing Strings Digital Performance Specifications CIN O Q Troubleshooting Guide Music Score Overall View G Power Switch Used to turn power ON and OFF Q Main Volume Control Used to control volume of guitar sounds 3 Rhythm Volume Control Used to control volume of rhythm sounds 4 Speaker High performance 12cm 4 a inch built in speaker 6 Mute Key Used to mute sound during performance 6 Start Stop Key Used to start and stop selected auto rhythm Y Synchro Fill in Key Used to select Synchro introduction or insert fill ins in auto rhythm Performance When pressed Tempo Indicator 40 flashes selected tempo When a string is played the auto rhythm begins automatically in synchronization from 1st beat When pressed during auto rhythm performance an appropriate fill in is inserted in the rhythm pattern Press the Synchro fill in once more to cancel the synchro start mode Drum Pads When these pads are tapped corresponding drum sounds are output Performances Using Auto Rhythm and Drum Pads When drum pads are tapped during auto rhythm performance the auto rhythm automatically stops allowing a manual fill in The rhythm then starts again from the beginning of the next measure While the rhythm is stopped the Tempo Indicator flashes out each beat acting as a metronome
5. u Please be careful of extreme temperatures moisture and direct sunlight Please avoid using or storing your DG 20 in places subject to direct sunlight excessively damp places or near air conditioning and heating appliances where temperatures and moisture tend to be extreme Also do not leave this unit in an automobile with the windows closed during hot summer months Please do not drop this instrument or subject it to strong shocks Subjecting this precision instrument to strong shocks may cause malfunctions or damage the neck so please use extreme care in handling E Make sure no foreign matter gets inside of this unit Please take care that no foreign objects especially metal objects such as hair pins sewing needles or coins get into the unit Any metal objects or liquids entering the unit may cause malfunctioning as well as an electric shock hazard Customizing may cause malfunction and accidents The DG 20 uses many high precision electronic components Converting it in any manner or needlessly touching internal parts may cause malfunction and accidents and should therefore be avoided under all circumstances Do not use thinner or similar chemicals when cleaning this unit To clean the DG 20 wipe the exterior surface with a soft cloth dampened with a neutral detergent solution which has been wrung out completely Never use paint thinner benzene or other solvents a EA D ee A AA
6. t is in strict accordance with manufacturer s instructions y Cause interference to radio lg television reception It has n type tested and found to Ply with the limits for a Class with Puting device in accordance the specifications in Subpart Part 15 of FCC Rules which Signed to provide reason gt Protection against such erence in a residential instal Lald Down by FCC Rules Possible Cause Main volume control is at its minimum Headphones connected m Auto power OFF function has turned power OFF m Rhythm volume control is at its minimum Interference caused by electrical appliances u High output broadcasting station in neighborhood E Main volume control is at its minimum Short in connection cord However there is no guarantee that interference will not occur in a particular installation If this equip ment does cause interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures m reorient the receiving antenna E relocate the computer with respect to the receiver m move the computer away from the receiver E plug the computer into a differ ent outlet so that computer and receiver are on different branch circuits Remedy m Adjust main volume to desired level m Disconnect headphones Turn power back ON see page 6 e Ad
7. ata OF OR O50 L ai GUITAR 1 L RHYTHM Pulse Code Modulation ROCK 16 BEAT REGGAE COUNTRY i U A ENKA 12 Rhythm Selectors JIN dd 9 Tone CRYSTAL Select Selectors Ke TANGO Select ee a Indicator ORGAN EA 49 Tempo u Indicator FLUTE oe 15 Tempo Control Keys CLARINET Select Key 17 Sustain Reverb Selector Solo 1 Select lr Selector Indicator TRANSPOSE E RA Transpose Keys Transpose Keys Sustain Reverb Selector Solo Selector When corresponding indicator is ON sustain or reverb effect is added to selected Tone When OFF sustain or reverb effect is not added to selected Tone Note that Switch is in the ON mode immedi ately after power is turned ON Used to select monophonic solo or 6 note polyphonic performance modes Indicator lights to indicate Solo mode Solo selector is OFF when DG 20 power is turned ON Used to raise or lower key in 11 half step increments Key is raised one half step each time the lt A gt key is pressed and lowered one half step each time the lt Y gt key is pressed Note that pitch is set at A4 442Hz in initialized state when power is turned ON FEATURES AND FUNCTIONS Connections 1 Headphone Jack Headphone Jack Connect headphones for private listening useful at night D Line Output Jack Connect audio or
8. musical instru ment amplifiers 3 AC Adaptor Jack Input cord from AC adaptor AD 5 when using home current or car adaptor CA 5 4 Foot Switch Jack Connect optional foot switch SP 2 SP 10 optional for foot pedal con trol of auto rhythm ON OFF 65 Tuning Control Used to control tuning raising or lowering tuning within a 50 cents range Useful in matching tuning with other instruments 6 MIDI Mode Switch Used to select either MIDI mode 3 MODE I or mode 4 MODE ll 7 MIDI Out Terminal Connect DG 20 to other MIDI instruments or devices MIDI messages transmitted through this output Refer to page 8 for further information on MIDI PHONES LINE OUT DCOV FOOT SW 3 AC Adaptor Jack 2 Line Output Jack I MIDI MODE ya Ez y On the DG 20 1 When a string is played the string s vibration is sensed by a built in sensor and the selected tone is output through the built in speaker 2 The digital guitar features switches which are actually built in to the fingerboard behind each fret If your finger s is not properly centered over the strings you depress neighboring strings may sound even though you haven t depressed neighboring strings as the switches may be activated No sound is output if strings are played too softly di s String aah id Vibration wo i Sensor switch Sensor Pitch o Sound LSI ad gt MIDI Out
9. 4 4 4 inch dia x 1 2 0W Terminals headphone jack output impedance 3k Q output voltage 0 5 V RMS MAX foot switch jack MID OUT terminal AC adaptor jack DC 9V Power Source 3 way AC DC power source DC 6 D size dry cell batteries Battery Life approx 18 hours AC AC adaptor AD 5 optional Car Battery car adaptor CA 5 optional Auto Power OFF Power turns OFF automatically approximately 6 minutes after last use Power Consumption 4 3W Dimensions 995 L x 340 W x 95 H mm 39 3he L x 133 8 W x 33 4 H Weight 3 4kg 7 7 lbs including batteries Standard Accessories 6 D size dry cell batteries 2 hex wrenches Design and specifications subject to change without notice Optional Accessories m AC adaptor AD 5 Car adap tor CA 5 w Custom soft case SC 70G m Headphones CP 2 Sustain pedal SP 2 SP 10 All optional accessories are available through your autho rized CASIO dealer TROUBLESHOOTING GUIDE Symptom No sound is output even when strings are played Rhythm does not sound Sound is occasionally distorted Occasional reception of television or radio waves No sound output when unit is con nected to external amp eaten e Guidelines i a pti k for Use of the Unit Not Applicabile to Other Areas e a This equipment generates and E Uses radio frequency energy and E not installed and used properly
10. E Exam S of MIDI Connections a Example of MIDI Mode application Use the DG 20 to sound a rhythm machine RZ 1 with the CZ 1 as a sound source OUT IN THR IN DG 20 RZ CZ CLOCK EXT CH 4 CH 1 b Example of MIDI Mode Il application OUT IN DG 20 CZ 1 1st string CH 2nd string CH 2 3rd string CH 3 4th string CH 4 Brass Sth string CH 5 6th string CH 6 Bass Vibraphone In the above application the vibraphone tone can be sounded by a playing strings 1 and 2 with Brass tones on strings 3 through 5 and a bass tone sounded on String 6 SPECIFICATIONS Model Casio Digital Guitar DG 20 Polyphonic 6 note polyphonic mono in solo mode Preset Tones 20 tones acoustic guitar 1 4 electric guitar 1 and 2 flanger glocken harp shamisen jazz organ trumpet chorus distortion crystal funky clavi mandolin organ flute clarinet Effects sustain reverb vibrato built in to tones Auto rhythms 12 Rhythms PCM source rock 16 beat pops reggae country enka swing blues bossanova slow rock waltz tango Dram pads 4 onboard drum pads snare drum high tom low tom cymbal Rhythm Controls start stop keys synchro fill in key tempo control keys tempo indica tor rhythm volume control Other Controls transpose C B in half tone incre ments mute solo selector Tuning control A4 442Hz 50 cents 1 4 tone Speaker 12cm
11. control Control Up To 6 Diterent Sound Sources MIDI Mode 4 By connecting the DG 20 to a CZ 1 CZ 5000 or other keyboard with a multi receive mode or by connect ing the DG 20 to up to 6 different keyboards a maximum of 6 differ ent voices can be controlled by the DG 20 with a different voice assigned to each string I Transmitted MIDI Data The DG 20 Can Transmit The Following MIDI Data 1 Pitch ON OFF 2 Start stop 3 Timing clock 4 Program change voice number rhythm number 5 Portamento When changed from MODE I to MODE II PORTAMENTO ON is sent auto maticaly to Channels 1 through 6 When you switch from MODE I to MODE Il PORTAMENTO OFF is sent on the Basic Channel only mn Functions of MIDI Terminal and MIDI Mode Switch MIDI Out Terminal M Cuon MIDI Mode MIDI OUT Switch This terminal is used to send MIDI messages from the DG 20 to exter nal MIDI instruments and devices It is connected to the MIDI IN terminal of other MIDI instruments IN MIDI Instrument MIDI Mode Switch This switch is used to specify the MIDI performance modes as shown below MIDI Mode I Poly mode Mode 3 MIDI Mode Il Mono mode Mode 4 a MIDI Mode I Poly mode Mode 3 Voice data transmitted on CH 1 Rhythm data transmitted on CH 4 M Jesli b MIDI MODE il Mono mode Mode 4 Voice data transmitted on CH 1 through 6 Rhythm data transmitted on CH 16 DIGITAL PERFORMANC
12. g through a few inches of string tie the string as shown in FIG 2 Next fix the string tight and cut off any excess CHANGING STRINGS Aa Hex Wrench Large ZA SS C Aj on CA E Adjust a E y 3 Insert the accessory hex wrench large into the head and turn it counter clockwise to slide the headpiece towards the body Next insert the other hex wrench small in the headpiece and loosen the screw Loosen Hex Wrench Small Peg Tighten 4 Next pull the string through the hole in the headpiece and tighten the headpiece screw while pulling the string taut Using the large hex wrench move slide the headpiece back into position to adjust string tension Avoid tightening the strings excessively as this may lead to neck warps or other damage Also do not use excessive force on the neck Follow the same procedures to change all 6 strings J About MIDI L Performing Using MIDI Remote and Ensemble Performance By connecting the DG 20 to another MIDI instrument 6 note polyphonic note messages can be sent to the other instrument Through this the DG 20 can be used to control or play the other instrument for example a keyboard instrument Sequential Performance with Rhythm Machines and Sequencers The DG 20 can be used to start stop the connected drum machines or sequencers for precision rhythm track or sequence
13. just rhythm volume to desired level a Use a power outlet away from appliances Try changing position of instrument Ex If you re playing near a window try moving away from window For further suggestions contact your service center a Raise main volume level u Replace connection cord If necessary the user should con sult the dealer or an experienced radio television technician for addi tional suggestions The user may find the following booklet prepared by the Federal Communications Commission helpful How to Identify and Resolve Radio TV Interference Problems This booklet is available from the US Government Printing Office Washington D C 20402 Stock No 004 000 00345 4 10
14. six batteries with new Ones as soon as possible Connecting Car Adaptor Connection of a car adaptor CA 5 optional allows the unit to be pow ered through a vehicles cigarette lighter socket Always ensure that the power of the unit is OFF when connecting or disconnecting adaptors m Remove batteries from the battery compartment when the unit is not used for extended periods Battery leakage can damage electrical components Only use specified CASIO AC or Car adaptors to prevent damage to the unit Adaptors normally become warm when connected to the power source This is not cause for worry but adaptors should be disconnected whenever the unit is not used for extended periods Auto Power Off Function An automatic power cut off function activates approximately 6 minutes after the last operation of the unit Power supply can be restored by switching the power of the unit OFF and then ON again Move Press Down 1 As shown in the above diagram press down on the sensor cover and move it toward the neck Do not use excessive force on any parts in the sensor assembly Pull String Through Notch and Hole ents 8 y FIG 1 f Y Y a String D LY Wrap String FIG 2 y Pull Tight Move Forward x Sy Cut Off Excess 2 As shown in FIG 1 above strings pass through a notch in the end of the sensor and then through a hole in the sensor After pullin
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