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Manafacture: Roland File size: 450.87 kb File name: Language of manual:

The repeat rate is variable from the minimum to the set position of the Repeat Rate knob on the front panel. Depending on the mode of operating this function, Pitch Bender-like effect can be obtained. CONNECTING DM-300 • CONNECTING TO PA MIXER INPUT LEVEL Set INPUT LEVEL where Peak Level Indicator lights at intervals with volume set around center. ( —20dB or —30dB). OUTPUT LEVEL Set OUTPUT LEVEL to —20dB or —35dB, ordinarily to —35dB. • CONNECTING TO STEREO SYSTEM Set Chorus/Echo selector as you desire. MIXER Set REVERB/ECHO switch of applicable channels of mixer to ECHO. Connect microphone, guitar, keyboard, etc. Roland Footswitch FS-1 Be sure to connect to OUTPUT of foot control. Footswitch FS-1 can also be connected to Repeat Rate Control jack on the rear panel. • CONNECTING TO GUITAR AMPLIFIER Set Chorus/Echo selector as you desire. When connecting instrument directly, set INPUT LEVEL to —35dB or —20dB. When connecting two microphones, set INPUT LEVEL to —50dB. Connect microphone, guitar, keyboard, etc. Roland Footswitch AMP AMP When using one amplifier, connect to D + E output. ' When using two amplifiers, place them two to five meters apart. TO MAKE THE BEST USE OF DM-300 ECHO EFFECT • TO OBTAIN EFFECT LIKE STADIUM ANNOUNCEMENT XT'K XTX Xl’% * y// X\x Echo sound like stadium announcement can be produced. • TO OBTAIN ECHO LIKE A LARGE HALL XÏX ,-<‘l'X A“TX XTX a'

, .N v,, n'' :•'/ THE POINT: Set REPEAT RATE and ECHO VOLUME within the range marked, to obtain single delay. When REPEAT RATE is turned further clockwise (O), special effect can be produced. The above setting will produce an acoustical effect of echo unique to a large hall. THE POINT: If amplifier you use has reverberation, the echo effect will be enhanced by adding a little reverberation. CHORUS EFFECT * Set Chorus Intensity control at a lower position for instrument and at a higher position for microphone to get good result. DM-300 INSTRUCTIONS Printed in Japan Mar. '83 A-3 CAUTIONS • If neon or fluorescent lamp is located close to DM-30Q or instrument, that may cause noise. Separate them from each other. • To protect the speaker system from breakdown, avoid the following with volume controls set at high level. 1. Power on/off; 2. Plug in/out of cables; 3. Speaker howling; 4. Big shock noise into DM-300. • When connecting an instrument with DM-300, connect the cord plug to the instrument first and the other end to DM-300. For disconnection, reverse the order: from DM-300 first and then from the instrument. • Avoid using DM-300 under dusty or humid conditions to prevent troubles. • Avoid using chemical detergent, thinner or the like. OPTION ROLAND FOOTSWITCH FS-1 Footwswitch for remote-controlled ON/OFF operation of effects. BOSS GUITAR VOLUME FV-100 Foot pedal for repeat rate control used with DM-300. SPECIFICATIONS Input Jack............................ 2 Output Jack........................... 2 Footswitch Jack (effect — on/off).............. 1 Foot Control Jack (echo repeat rate) ............ 1 Controls Input Volume Control x 2, Chorus Intensity, Echo Repeat Rate, Echo Intensity, Echo Volume Control, Tone Control Selectors Input Level 3-Step Changeover Switch Output Level 2-Step Changeover Switch Effect Mode Changeover Switch (chorus/off/echo) Level Indicator: Normal — Green / Peak — Red Delay Time: Chorus...............22mS — 44mS Echo...............40mS — 600mS Frequency Response . ............10KHz — 1.5KHz Input Sensitivity / Impedance: Microphone................ . . —50dB/4.7Kf2 Microphone/Instrument...........—50dB/4.7Kil -35dB/470fl —20dB/470i2 Output Level / Impedance . —20dB, —35dB/less than 60012 Power Consumption.....................6W Dimensions.......... 386(W) x 123(H) x 206(D)mm 1 5.2(W) x4.9(H) x8.1(D)in Weight.......................3.7kg, 8.2 lbs Accessory................Connection Cord 2.5m * Specifications are subject to change without notice. TROUBLESHOOTING GUIDE If your unit does not operate properly, take proper action, consulting the table below. The symptom listed would be caused by mistake in using the unit. If the trouble cannot be remedied even after actions instructed or if there is any symptom other than those listed below, make contact with the shop you bought your DM-300. SYMPTOM POSSIBLE CAUSE ACTION TO BE TAKEN Even when Power Switch is set ON, Pilot Lamp does not light and no sound is produced. Imperfect connection of power cord. Plug in power cord perfectly. Pilot Lamp lights but no sound is produced. Imperfect connection of cords. Volume is set to minimum. Connect perfectly. Turn up to proper level. Sound is produced but without echo (chorus). Echo Volume is set to minimum. Chorus/Off/Echo selector is set at Off. When footswitch or foot control is conn...

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