RolandメーカーDB-700の使用説明書/サービス説明書
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OWNER’S MANUAL Thank you, and congratulations on your choice of the Roland DB-700 bass amplifier. 201b Before using this unit, carefully read the sections entitled: “IMPORTANT SAFETY INSTRUCTIONS” (page 2), “USING THE UNIT SAFELY” (page 3), and “IMPORTANT NOTES” (page 5).
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.
3 USING THE UNIT SAFELY USING THE UNIT SAFELY 001 • Before using this unit, make sure to read the instructions below, and the Owner’s Manual. .........................................................................................................
4 USING THE UNIT SAFELY 014 • Protect the unit from strong impact. (Do not drop it!) .......................................................................................................... 015 • Do not force the unit’s power-supply cord to share an outlet with an unreasonable number of other devices.
5 IMPORTANT NOTES In addition to the items listed under “IMPORTANT SAFETY INSTRUCTIONS” and “USING THE UNIT SAFELY” on pages 2–4, please read and observe the following: Power Supply 301 • Do not use this unit on the same power circuit with any device that will generate line noise (such as an electric motor or variable lighting system).
6 Introduction Main Features - Thanks to FFP technology, this DSP (Digital Signal Processing) bass amplifier offers superior performance regardless of its compact and lightweight body. - Benefits of FFP Technology 1) FFP technology makes it possible to achieve dynamic, high-powered sound that surpasses the output spec.
7 Button Names and Functions Front panel fig. 1 (control panel) 1. Control Buttons You can store the settings of the controls in memory A or memory B. For more information, take a look at “The Memory Function” (p.
8 Button Names and Functions 6. D-Chorus Thanks to dynamic band-splitting processing according to input signals, you can perform with a chorus effect with no loss in bass-range response. INTENSITY Knob This adjusts the amount of chorus that’s applied.
9 Button Names and Functions 11. Foot Switch By connecting a foot switch such as the FS-5L (sold separately), you can control a variety of such as with your feet. TIP:A/B and RING:MANUAL Jack You can use a foot switch to switch between memory A and memory B or switch the Manual function on and off.
10 Connect your DB-700 Refer to the following diagram and connect the DB-700 to the external eqipment you are using. fig. 5 (connection with an external instrument) * 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.
11 The Memory Function Calling Up Memory 1. Press the MEMORY A or MEMORY B button to choose the memory you want. For more on the factory-default settings for memory A and memory B, see “Factory-default Settings” (p. 13). You can also choose a memory using the foot switch.
12 How to handle the Casters Attaching and Removing the Casters You can attach or remove casters as shown in the following figure. Be sure to remove all casters when accidental movement may be dangerous such as when setting up the DB-700 on stage or when transporting it in a vehicle.
13 Appendixes Block diagram fig. 7 (block diagram of jack locations) Factory-default Settings Memory A: Slap Bass Typical slap sound used in studios. Adjust the COMPRESSION knob to your taste. fig. 8 (setting 1) Memory B: Rock Drive Heavy rock sound. The amount of distortion can be adjusted with the GAIN knob .
14 Appendixes Samle Settings In addition to the default settings, the following sample settings (which are geared toward specific styles of playing) are also provided. Once you call up the following sample settings, any settings you’ve stored at Memory A and B will be lost.
15 Appendixes Sample 2 Hold down the MEMORY B button while you switch on the power. Then, select either the MEMORY A button or the MEMORY B button . MEMORY A: Chorus Bass Transparent chorus sound suited for slapping or flat-picking. The modulation amount can be controlled with the D-CHORUS INTENSITY knob .
16 Appendixes Specifications Rated Power Output 250 W / 8 ohms Nominal Input Level (@1KHz) INPUT HIGH -30 dBm/1 M ohms INPUT LOW -20 dBm/300 k ohms (AMP TYPE: SOLID STATE) INSERT RETURN +4 dBm Nominal Output Level BALANCED DI +4 dBm INSERT SEND +4 dBm LINE OUT (XLR type) +4 dBm LINE OUT (PHONE type) +4 dBm *0 dBm=0.
17 Appendixes.
Information When you need repair service, call your nearest Roland Service Center or authorized Roland distributor in your country as shown below. As of June 11, 1999 ARGENTINA Instrumentos Musicales S.A. Florida 656 2nd Floor Office Number 206A Buenos Aires ARGENTINA, CP1005 TEL: (54-11) 4- 393-6057 BRAZIL Roland Brasil Ltda.
For the USA FEDERAL COMMUNICATIONS COMMISSION RADIO FREQUENCY INTERFERENCE STATEMENT This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
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デバイスRoland DB-700の購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
Roland DB-700をまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはRoland DB-700の技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Roland DB-700の取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Roland DB-700で得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Roland DB-700を既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はRoland DB-700の不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Roland DB-700に関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちRoland DB-700デバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
