Instruction/ maintenance manual of the product RC-20XL Boss Audio Systems
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2 Copyright © 2004 BOSS CORPORATION All rights reserved. No part of this publication may be reproduced in any form without the written permission of BOSS CORPORATI ON. Contents Main features ...........................................................
3 Main features ■ Simple and reliable loop play The new “loop quantize” function automatically adjusts the timing of the loop end. This makes it easy for anyone to create looped phrases of an accurate length.
4 Panel Descriptions Front Panel fig.02-01 1 LEVEL Knob This knob adjusts the play volume of the phrase. * This knob does not adjust the input level from the INST/MIC/AUX IN jacks or the volume of the guide tone.
5 Panel Descriptions 4 MIC Knob This knob adjusts the input level from the MIC jack. INST Knob This knob adjusts the input level from the INST jack. PEAK Indicator This indicator will light when the level of the input is excessively high. 5 REVERSE Button Turn this button on (indicator lit) when you want the phrase to play back in reverse (p.
6 Panel Descriptions fig.02-02 11 POWER Indicator This indicator will light when the power is on. * When the batteries run down, the POWER indicator will become dim. When this occurs, please replace them with new batteries. 12 REC Indicator This indicator will light during recording.
7 Panel Descriptions Rear Panel fig.02-03 15 INST Jack A guitar or other instrument can be connected to this jack. 16 MIC Jack Accepts connection of a microphone. Used when you wish to record a vocal or instrumental performance via a microphone. 17 AUX IN Jack Connect to the headphones jack of a CD or MD.
8 Installing batteries Insert the included batteries as shown in the diagram, being careful to observe the correct polarity. fig.03-01 • Batteries are supplied with the unit. The life of these batteries may be limited, however, since their primary purpose was to enable testing.
9 Making connections fig.04-01 * To prevent malfunction and/or damage to speakers or other devices, always turn down the volume, and turn off the power on all devices before making any connections. * Use a cable from Roland to make the connection. If using some other make of connection cable, please note the following precautions.
10 Making connections * Howling could be produced depending on the location of microphones relative to amp. This can be remedied by: 1. Changing the orientation of the microphone(s). 2. Relocating microphone(s) at a greater distance from speakers. 3. Lowering volume levels.
11 Making connections Important <Caution when turning off the power> Before you turn off the power, make sure that the following conditions are met.
12 Recording a guitar or vocal performance to create a loop phrase On the RC-20XL, the process of recording an additional performance while a recorded performance plays back is called overdubbing . The performance from an instrument or microphone connected to the INST jack or MIC jack can be recorded to create a loop phrase.
13 Recording a guitar or vocal performance to create a loop phrase 1. Turn the PHRASE SELECT knob to select an empty phrase track 1–11. If there are any empty phrase tracks, both the LOOP PHRASE and ONE SHOT PHRASE indicators remain off.
14 Recording a phrase from CD/MD to create a loop phrase You can create a loop phrase by recording a performance from a CD or MD connected to the AUX IN jack. For example, you can record phrases from a sampling CD and overdub guitar or vocal onto it, or even record an entire song from an audio CD and use it for practicing.
15 Recording a phrase from CD/MD to create a loop phrase 1. Turn the PHRASE SELECT knob to select an empty phrase track 1–11. If there are any empty phrase tracks, both the LOOP PHRASE and ONE SHOT PHRASE indicators remain off.
16 Recording a phrase from CD/MD to create a loop phrase 5. To have recording start simultaneously with playback of a CD or MD, set the AUTO START button to ON (with the indicator lit). When AUTO START button is on, stop the CD/MD player for now, and put it in playback-ready mode.
17 Recording a phrase from CD/MD to create a loop phrase 9. Press the MODE button to select how overdubbing will occur. As you did in step 2, select the overdubbing method. If you wish to overdub a performance from guitar or mic, select INST & MIC.
18 Playing/overdubbing along with a saved phrase fig.06-02 1. Select a phrase track 2. Select the recording method 3. Adjust the recording level 4. (Adjust the tempo) 5. Start playback 6. Start/stop overdubbing 7. Stop playback 8. (Save the phrase) 1.
19 Playing/overdubbing along with a saved phrase 3. Turn the MIC knob or INST knob to adjust the recording level. 4. If necessary, press the TAP TEMPO button several times to set the tempo. You can also set the tempo by pressing the right pedal instead of the TAP TEMPO button.
20 Using the RC-20XL for practicing— Phrase Trainer When recording a song from CD or MD, you can erase vocals or guitar solos that locate at the center of the sound field. This function makes it easy to create “minus-one” data for practicing. You can also adjust the tempo while the phrase plays back.
21 Using the RC-20XL for practicing—Phrase Trainer * If an effect such as reverb has been applied to the sounds localized at the center, it may not be possible to erase the sound completely.
22 Playing back in various ways Playing a phrase only once (One-shot Playback) Phrases saved to Phrase Tracks 1–11 are initially set to loop playback (with the LOOP PHRASE indicator lit), but you can switch the phrase settings to one-shot playback by holding down the SHIFT (EXIT) button and pressing the LOOP/ONE SHOT (AUTO START) button.
23 Playing back in various ways Selecting the Method of Stopping Playback (Stop Mode) Phrases stops playing immediately when the right pedal is pressed during playback of the phrase, but you can set the phrase to stop playing after fading out or after the end of the phrase is reached.
24 Playing back in various ways Using the pedal to switch phrases (Phrase Shift) While a phrase is playing, you can press a pedal switch connected to the PHRASE SHIFT jack to switch to the phrase track of the following number.
25 Playing back in various ways • When you switch to a phrase set to One-Shot Playback, the phrase is played to the end, and then playback stops. • If you use Phrase Shift during One-Shot Playback, the phrase is played to the end, then the unit switches to the next phrase.
26 Playing back in various ways Play back a phrase backward (Reverse Playback) Playing a recorded phrase from the end toward the beginning is called “reverse playback.” The result is similar to playing a tape in reverse. By pressing the REVERSE button, lighting its indicator, you can use reverse playback.
27 MEMO RC-20XL_e.book 27 ページ ２００４年４月２８日 水曜日 午後４時１２分.
28 Saving or deleting a phrase About memory The memory of the RC-20XL is divided into two areas: phrase tracks 1–11 and temporary memory. fig.08-01 A phrase that you record or overdub is first stored in temporary memory. The phrase stored in temporary memory is temporary, and will be erased when the following operations occur.
29 Saving or deleting a phrase Saving a phrase When you have finished recording/overdubbing, or after you have edited the tempo or other settings of a phrase, you can save it. All phrases that have not been saved are lost when you turn off the power or select a different phrase track.
30 Saving or deleting a phrase <CAUTION> • Never turn off the RC-20XL’s power while the WRITE indicator or the EXIT indicator is lit. Doing so will cause all data saved in the phrase tracks to be lost.
31 Saving or deleting a phrase Erasing a saved phrase (Delete) fig.08-03 1. Turn the PHRASE SELECT knob to select the phrase track that you wish to delete. 2. Simultaneously press the SHIFT (EXIT) button and the DELETE (WRITE) button to get both indicators to flash.
32 About the tempo and time signature The RC-20XL allows you to set the tempo and time signature separately for each phrase. These settings also determine how the guide tone will play, and how loop quantization will occur.
33 About the tempo and time signature Setting the tempo If you are recording a performance from an instrument or microphone connected to the INST or MIC jacks, set the tempo before recording. You can change the tempo for playing back the stored phrase.
34 About the tempo and time signature Setting the time signature If you are recording a phrase with a time signature of other than 4/4, set the correct time signature before recording. * It is not possible to change the time signature after recording.
35 About the guide tone A guide tone will sound while you are playing or recording a phrase. fig.10-01 The volume of the guide tone can be adjusted with the GUIDE knob. If you do not wish to hear the guide tone, turn the GUIDE knob to the OFF position.
36 Troubleshooting Power does not turn on • Is an amp or speaker connected to the OUTPUT jack? ➔ If you are using batteries, the power will not turn on unless an amp or speaker is connected to the OUTPUT jack. Check the connections (p. 9). • Have the batteries run down? ➔ Install new batteries (p.
37 Troubleshooting Recorded a short phrase, but the length of the phrase has changed ➔ The minimum length of time required for a loop phrase is approximately 1.5 seconds. If the phrase you’ve recorded is shorter than that, the length is automatically multiplied by a factor of two, four, eight, or more until it reaches an acceptable length.
38 Specifications Nominal Input Level INST: -20 dBu (variable) MIC: -40 dBu (variable) AUX IN: -10 dBu Input Impedance INST: 1 M Ω MIC: 1 k Ω AUX IN: 47 k Ω Nominal Output Level OUTPUT: -20 dBu Output Impedance 1 k Ω Recommended Load Impedance 10 k Ω or greater Internal Memory Recording time: 16 min.
39 Index A AUTO START ................................... 13, 16, 21 B Batteries ........................................................... 8 C CENTER CANCEL ................................ 15, 20 Clear ..............................................
G6017384 This product complies with the requirements of European Directive 89/336/EEC. For EU Countries For Canada This Class B digital apparatus meets all requirements of the Canadian Interference-Causing Equipment Regulations. Cet appareil numérique de la classe B respecte toutes les exigences du Règlement sur le matériel brouilleur du Canada.
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