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Fabricant : Roland
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Facilité d'utilisation
Vfg 1046 / 1984 funkentstort ist. Oer Deutschen Bundespost wurde das Inverkehrbringen dieses Gerätes angezeigt und die Berechtigung zur Überprüfung der Serie auf Einhaltung der Bestimmungen eingeraumt. Roland Corporation Osaka / Japan Copyright © 1987 by ROLAND CORPORATION All rights reserved. No part of this publication may be reproduced in any form without the written permission of ROLAND CORPORATION. PANEL ILLUSTRATION • Control Panel (The picture shown below is the JC-77's. The JC-55 does not feature the Hi-treble Knob.) Distortion Knob Hi-treble Control Middle Control Reverb Knob Chorus Depth Knob Bass Control Input Jacks Volume Knob Treble Control Chorus Rate Knob Chorus Selector Switch CONNECTION *Use the Line Out jacks to stack other guitar amplifier, or to connect a PA mixer or recording equipment. Normally, only one MONO(MIXED) Jack is to be used,tout both of jacks may be simultaneously used for benefiting maximum chorus effects. (If the Chorus Switch is set to the OFF position, exactly the same signals are sent from these two jacks.) f If using a keyboard, connect it to the Low Input Jack. Line In о "O— 3 о о о ; ............ LT Tape Recorder To Line Out Jack I I 5 To Hi Input Guitar Keyboard OPERATION (The picture shown below is the JC-77's. The JC-55 does not feature the Hi-treble Knob.) Set the control panel as shown above, then while playing the guitar, adjust the Volume, Equalizer Section (Hi-Treble/Treble/ Middle/Bass) to your taste. j—INPUT—i Ö Ö A Adjust the amount of distortion with the Distortion Knob. At the OFF position, there is no distortion effect. As you raise the knob clockwise, the created distortion sound become harder. Here, however, the overall volume will increase as well. So, after setting the Distortion Knob, adjust the volume again with the Volume Knob. Adjust the reverb effect with the Reverb Knob. If you want the JC's preset chorus effect, set the Chorus Selector Switch to the FIXED position. If you wish to make your own chorus sound, set the switch to the MANUAL position, and adjust the rate and depth of the chorus effect to your taste with the Rate and the Depth Knobs. In this case, if the Depth knob is set to zero, the Rate Knob has no effect. If you do not want chorus effect at all, select the OFF position. Setting of Equalizer Section (The picture shown below is the JC-77's. The JC-55 does not feature the Hi-treble Knob. The JC's built-in equalizer allows variable sound creation depending on the type of the musical instrument used. • If using a guitar of humbacking type Г“1 О О Ilf using a keyboard (electric piano or organ) I I Ö Ô tKICMIlUM о /¿mi t Setting of Effects (Distortion, Reverb and Chorus) (The picture shown below is the JC-77's. The JC-55 does not feature the Hi-treble Knob.) • Chorus as a vibrato effect r“"l ■Mimt км «Я*« » 'Wfcl ........ ......MM «... —M* - • .... М*ти— с-о*и 0 0 О О 0 Ol O fût 0 о 1“ • Unique Distortion + Chorus Г*"! ö о I nt'oatm “’•«¿I •Mk *4 wlMH — MM сном P Cl 0 0 0 l3 0 о fl- SPECIFICATIONS IN CASE OF TROUBLE If this amplifier does not operate properly, check as shown right. If the trouble cannot be remedied, please contact your nearest service center. OPTIONS JC-77 JC-55 Output 40W(8i2) + 40W(8fi) 25\Л/(8П) + 25W(8f2) Speaker 25cm x 2 20cm x 2 Input Jacks HI, LOW, -31 dBm/1 MÎ2 HI, LOW,-30 dBm/1 МП Controls Volume Volume Hi-Treble Treble Treble Middle Middle Bass Bass Effects Distortion Distortion Reverb Reverb Chorus Rate Chorus Rate Chorus Depth Chorus Depth Switch Chorus Selector Switch Chorus Selector Switch Jacks Line Out 0 dBm/2.8kfi Line Out 0 dBm/120£2 Distortion Foot Switch Distortion Foot Switch Reverb Foot Switch Reverb Foot Switch Chorus Foot Switch Chorus Foot Switch Consumption 215 VA (140W) 110W Dimensions 574(W) x 505(H) x 260(D) mm 510(W) x 400(H) x 210(D) mm 22-5/8" x 19-7/8" x 10-1/4” 20-1/16" x 15-3/4" x 8-1/4" Weight 19kg/41 lb 14oz 12kg/26 lb 7 oz Accessories Vinyl cover Vinyl cover Specifications are subject to change without notice. Symptom Cause Action to be taken The Power Indicator does not light and no sound is heard, even if the Power Switch is turned on. The power cable is not securely connected. See if the power cable is securely connected. The Power Indicator lights up, but no sound is heard. • The volume of the amplifier or guitar is set too low. • There is something wrong with the connection cord. • Turn the volume up. • Exchange the cord. There is no Chorus effect obtained. When the Chorus Selector Switch is set to FIXED When the Chorus Selector Switch is set to MANUAL The Foot Switch is turned off. The Foot Switch is turned off, or the Depth Knob is set too low. Press the Foot Switch. Press the Foot Switch, or turn up the Depth Knob. Hum or noise is heard. • There is something wrong with theconnection cord. • Connections are not securely done. • Exchange the connection cord. • See i...