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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Roland CM-30, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.
What is an instruction?
The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Roland CM-30 one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.
Unfortunately, only a few customers devote their time to read an instruction of Roland CM-30. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.
What should a perfect user manual contain?
First and foremost, an user manual of Roland CM-30 should contain:
- informations concerning technical data of Roland CM-30
- name of the manufacturer and a year of construction of the Roland CM-30 item
- rules of operation, control and maintenance of the Roland CM-30 item
- safety signs and mark certificates which confirm compatibility with appropriate standards
Why don't we read the manuals?
Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Roland CM-30 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Roland CM-30, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Roland service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Roland CM-30.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Roland CM-30 item, and its use of respective accessory, as well as information concerning all the functions and facilities.
After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.
Table of contents for the manual
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Page 1
Owner’s Manual Thank you, and congratulations on your choice of the Roland CUBE Monitor CM-30. Before using this unit, carefully read the sections entitled: • IMPORTANT SAFETY INSTRUCTIONS (p. 2) • USING THE UNIT SAFELY (p. 3 and 4) • IMPORTANT NOTES (p. 5) These sections provide important information concerning the proper operation of the [...]
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Page 2
CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN ATTENTION : RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR CAUTION : TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to aler[...]
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Page 3
3 USING THE UNIT SAFELY 001 • Before using this unit, make sure to read the instructions below, and the Owner’s Manual. .................................................................................................. 002a • Do not open or perform any internal modifi- cations on the unit. .....................................................[...]
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Page 4
4 012a • Immediately turn the power off, remove the power cord from the outlet, and request servicing by your retailer, the nearest Roland Service Center, or an authorized Roland distributor, as listed on the “Infor- mation” page when: • The power-supply cord, or the plug has been damaged; or • If smoke or unusual odor occurs • Objects [...]
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Page 5
5 IMPORTANT NOTES 291b In addition to the items listed under “IMPORTANT SAFETY INSTRUCTIONS” and “USING THE UNIT SAFELY” on pages 2, 3 and 4, please read and observe the following: Power Supply 301 • Do not connect this unit to same electrical outlet that is being used by an electrical appliance that is controlled by an inverter (such as [...]
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6 Panel Descriptions ■ Control Panel fig.01 ■ Jack Panel fig.01 1 2 3 4 5 7 6 1 8 10 9 2 CM-30_e.book 6 ページ ２００４年７月２８日 水曜日 午前９時３２分[...]
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Page 7
7 Panel Descriptions 1. CH 1 knob / CH 1 Input Jacks In addition to a 1/4” phone jack, this channel is equipped with a balanced XLR connector, useful for connecting microphones. This accepts input levels ranging from mic input (-50 dBu) to line level from sound modules and other equipment (-20 dBu). * The pin assignment for the XLR type connector[...]
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Page 8
8 Making the Connections Refer to the figure shown below to connect the CM-30 and the other equipment. Here is an example of a setup that makes full use of the CM-30’s mixer and monitor functions. A mic is input to CH 1, which accepts mic level input. Connect a keyboard, recorder, or other sound-generating devices to the CH 2 and CH 3 inputs. * T[...]
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Page 9
9 Making the Connections Switching the Power On and Off Once the connections have been completed, turn on power to your various devices in the order specified. By turning on devices in the wrong order, you risk causing malfunction and/or damage to speakers and other devices. 1. Make sure that all volume controls on the CM-30 and connected devices a[...]
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Page 10
10 Making the Connections Using Two CM-30 Speakers for Stereo Playback (Stereo Link) Stereo playback is enabled simply by connecting two CM-30 units with a single or double audio cables (phone type). This function is called “Stereo Link.” Since the CM-30’s mixer section operates in stereo, the L or R channel signal can be output from a STEREO[...]
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Page 11
11 Using a Microphone Stand By using a mic stand, you can mount the CM-30 at the optimal height for use as a monitor speaker or simple PA device. Requirements when using a mic stand ● As shown in the diagram below, the mic stand’s tripod must be extended to its maximum width (at least 63 cm/25 inches) and the height must be less than 110 cm (in[...]
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Page 12
12 Appendices Block Diagram fig.13 L R PHONES (STEREO) LINK OUT L LINK OUT R POWER AMP SPEAKER LOW HIGH EQUALIZER CH 1 XLR CH 1 PHONE CH 2 L (MONO) AUX IN 1 L/R LINK IN VOLUME VOLUME CH 2 R VOLUME AUX IN 2 CH 3 L (MONO) VOLUME CH 3 R VOLUME CM-30_e.book 12 ページ ２００４年７月２８日 水曜日 午前９時３２分[...]
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13 Appendices Main Specifications ● Rated Power Output 30 W ● Nominal Input Level (1 kHz) Channel 1 (MIC/LINE): -50 – -20 dBu Channel 2, 3 (LINE): -20 dBu AUX IN 1, 2: -10 dBu STEREO LINK IN: -10 dBu ● Nominal Output Level (1 kHz) STEREO LINK OUT L/R: -10 dBu *0 dBu = 0.775 Vrms ● Speakers 16 cm (6.5 inches) + Tweeter (Coaxial 2-way) ● [...]
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Page 14
14 MEMO CM-30_e.book 14 ページ ２００４年７月２８日 水曜日 午前９時３２分[...]
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Page 15
15 MEMO CM-30_e.book 15 ページ ２００４年７月２８日 水曜日 午前９時３２分[...]
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Page 16
SD000523 1GT This product complies with the requirements of European Directives EMC 89/336/EEC and LVD 73/23/EEC. For EU Countries CM-30_e.book 16 ページ ２００４年７月２８日 水曜日 午前９時３２分[...]