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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Roland 210, 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 210 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 210. 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 210 should contain:
- informations concerning technical data of Roland 210
- name of the manufacturer and a year of construction of the Roland 210 item
- rules of operation, control and maintenance of the Roland 210 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 210 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 210, 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 210.
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 210 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
IMPORTANT SAFETY INSTRUCTIONS .................................... 2 USING THE UNIT SAFELY ........................................................ 4 IMPORTANT NOTES .................................................................. 7 Main Features ............................................................................ 8 D-BASS 210/115/115X Sh[...]
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Page 2
2 IMPORTANT SAFETY INSTRUCTIONS 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 equilater[...]
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Page 3
3 This product complies with the requirements of European Directives EMC 89/336/EEC and LVD 73/23/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 broui[...]
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Page 4
4 USING THE UNIT SAFELY 001 • Before using this unit, make sure to read the instructions below, and the Owner’s Manual. .......................................................................................................... 001-50 • Connect mains plug of this model to a mains socket outlet with a protective earthing connection. ...........[...]
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Page 5
5 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 “Information” page when: • The power-supply cord, or the plug has been damaged; or • If smoke or unusual odor occurs • Objects ha[...]
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Page 6
6 Placement 351 • Using the unit near power amplifiers (or other equipment containing large power transformers) may induce hum. To alleviate the problem, change the orientation of this unit; or move it farther away from the source of inter- ference. 352a • This device may interfere with radio and television reception. Do not use this device in [...]
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Page 7
7 IMPORTANT NOTES 291b In addition to the items listed under “IMPORTANT SAFETY INSTRUCTIONS” and “USING THE UNIT SAFELY” on pages 2 and 4–6, 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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Page 8
8 Main Features The D-BASS 210 and 115 are powerful yet lightweight professional bass amps, which utilize Roland’s FFP technology incorporating new Active Speaker Control. The D-BASS 115X is a powered extension speaker. Stacking the D-BASS 210/115 and the D-BASS 115X lets you create an even more powerful system. D-BASS 210/115/115X Shared Feature[...]
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Page 9
9 Main Features D-BASS 210/115 ■ Also Features Piezo Input Jack for Acoustic Basses • The D-BASS is equipped with a Ultra-high-impedance piezo input jack, allowing piezo pickups to be directly connected to the amp. This makes the amp optimal for acoustic basses as well. ■ COSM Preamps for a Wide Range of Sound Possibilities • The D-BASS fea[...]
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Page 10
1 2 3 5 7 8 9 10 6 4 10 Panel descriptions D-BASS 210/115 Front Panel 1. INPUT Jack Connect your bass guitar here. This section features two jacks, PIEZO and NORMAL. PIEZO jack: Connect acoustic or electric basses equipped with piezo pickups to this jack. The ultra-high impedance circuitry provides a clear sound with minimal degradation in tone. NO[...]
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Page 11
11 Panel descriptions 11 12 13 14 15 18 16 17 7. MODE Switch Used in combination with the COMPRESSION knob (8), this switches the compression effect type. STANDARD: This produces a compression effect like that used in recording studios. TUBE LOGIC: This provides the natural, fat compressed sound typical of tube amps. This characteristic sense of ha[...]
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Page 12
12 Panel descriptions * Regardless of the knob position, the effects are bypassed when nothing is connected to the EFFECT RETURN jack. * With a series connection, no sound is output from the D- BASS when the volume of the external effects processor is turned down completely or the effects processor’s power is turned off. • Series-Connected Effe[...]
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Page 13
13 Panel descriptions D-BASS 210/115 Rear Panel fig.01-02 1. FOOT SW Jack You can connect a latch-type switch (optional BOSS FS- 5L) and use the switch to turn the Mute function on and off. * Set the foot switch Polarity setting as shown below. fig.01-03 When you have a foot switch connected, the mute function can be switched on with either the MUT[...]
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Page 14
14 Panel descriptions 5. TUNER OUT Jack Connect tuners to this jack. * Other than the PICKUP TYPE switch, none of the D-BASS 210/115’s switches/knobs affect the TUNER OUT output. 6. BALANCED OUT Jack Use this to connect to external PAs and other such systems. You can switch the sound that is output to suit the particular application. This profess[...]
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Page 15
15 Panel descriptions D-BASS 115X Control Panel fig.02-01 1. INPUT Jack Connect a D-BASS 210/115 or other bass amp or device here. Connect to the SUB OUT jack when connecting a 210/ 115. The SUB OUT volume is linked to the VOLUME knob, allowing you to control the volume of the 115X with the 210/115 VOLUME knob. In this case, the volume balance betw[...]
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Page 16
16 Panel descriptions 5. FREQUENCY Knob In the SUB WOOFER mode, this adjusts the frequency range played back from the unit’s speaker. Adjust this according to the character of the connected bass guitar, as well as the performance environment. * This is disabled in Full Range mode. The relationship between the FREQUENCY knob indicator and the acti[...]
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Page 17
17 When Using D-BASS 210/115 & 115X in Stack Configuration Stacking The D-BASS 210/115 can be used in a stacked configuration with the D-BASS 115X. When stacking, be sure to follow the instructions below. When stacking, be sure to follow the instructions below. • Be sure to set up and use these units in stable, level locations. • To prevent[...]
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Page 18
18 When Using D-BASS 210/115 & 115X in Stack Configuration Adjusting the Tone The following steps are effective in adjusting the tone when the D-BASS 210/115 and 115X are used together (stacked). ■ Setup • Before connecting the 115X, make tone adjustments roughly on the 210/115 alone first. • After connecting the 115X, start out with all [...]
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Page 19
19 Sample Settings D-BASS 210/115 Set the VOLUME knob at appropriate volume level. WOODY JAZZ fig.sample_1 A warm bass sound perfectly suited for jazz. This provides a natural sound even when an acoustic bass is connected. To fatten the core sound, raise the BASS and MID levels. You can correct any typical high-frequency problems with piezo pickups[...]
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Page 20
20 How to handle the Casters Attaching and Removing the Casters You can attach or remove casters as shown in the following figure. fig.05-01 To ensure adequate stability, be sure to attach all four wheels whenever using the unit with caster wheels. Whenever using the unit without caster wheels, be sure to remove all four wheels. Be sure to remove a[...]
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Page 21
21 Block Diagram TUNER OUT PEAK BALANCED OUT GND LIFT LINE OUT DI OUT PHONES SUB OUT LINE OUT COMP EQ EFFECT BLEND MODERN SHAPE VINTAGE SHAPE SUPER FLAT SHAPE AMPLIFIER COMP- RESSION BASS MID FREQ EFFECT BLEND TREBLE GAIN ACTIVE / PASSIVE PIEZO NORMAL STANDARD / TUBE LOGIC SEND RETURN EFFECT HIGH LOW TWEETER VOLUME FFP FFP POWER AMP (TRI-AMP) TW WF[...]
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Page 22
22 Specifications D-BASS 210 D-BASS 115 Rated Power Output 400 W (Woofer 160 W x 2 + Tweeter 80 W) 330 W (Woofer 250 W + Tweeter 80 W) Nominal Input Level INPUT PIEZO: -13 dBu/4.7 M Ω INPUT NORMAL: -10 dBu/1 M Ω (PICKUP TYPE: PASSIVE) 0 dBu/50 k Ω (PICKUP TYPE: ACTIVE) EFFECT RETURN: +4 dBu Nominal Output Level SUB OUT: +4 dBu LINE OUT: +4 dB[...]
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Page 23
23 Troubleshooting *0 dBu = 0.775 Vrms In the interest of product improvement, the specifications and/or appearance of this unit are subject to change without prior notice. D-BASS 115X Rated Power Output 330 W (Woofer 250 W + Tweeter 80 W) Nominal Input Level INPUT: +4 dBu/22 k Ω Nominal Output Level THRU OUT: +4 dBu Speaker 38 cm (15 inches) x 1[...]
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Page 24
SD000219 1DH[...]