User manual ROLAND DB-900 MANUAL 2

[. . . ] Owner's Manual Thank you, and congratulations on your choice of the Roland DB-900 bass amplifier. Before using this unit, carefully read the sections entitled: "IMPORTANT SAFETY INSTRUCTIONS" (page 2), "USING THE UNIT SAFELY" (page 3), and "IMPORTANT NOTES" (page 6). These sections provide important information concerning the proper operation of the unit. Additionally, in order to feel assured that you have gained a good grasp of every feature provided by your new unit, Owner's Manual should be read in its entirety. The manual should be saved and kept on hand as a convenient reference. Contents IMPORTANT SAFETY INSTRUCTIONS . . . . . . . . . . . . . 2 USING THE UNIT SAFELY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 IMPORTANT NOTES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Main Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] NOTE After that, starting with the next time you turn on the power, sounds are played with the settings in effect when the power was last switched off. For instance, if you turn off the power while the settings in memory A are in effect, sounds are played using the settings in memory A the next time you turn on the power. To Use the DB-900 Like a Conventional Bass Amp When you want to operate the DB-900 like a regular bass amp, whereby settings are controlled directly with the knobs, press the MANUAL button, illuminating its indicator. 7 Button Names and Functions Front panel fig. Amplifier 7 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. 12). Thanks to the modeling function using COSM technology, you can make the settings for a variety of amp sounds. TYPE Switch This selects three amp types: solid state, tube, and tube drive. MANUAL Button To play sounds in a way that faithfully reflects the control settings, press this button to make the indicator light up (the Manual function). You can use a foot switch to switch the Manual function on and off. GAIN Knob This adjusts the input gain. You can make the settings for a wide range of sounds, from clean to overdrive. VOLUME Knob These adjust the volume level. When toggling between memory A and memory B as you use the amp, the VOLUME knob is handy for adjusting the volume level between the two. MEMORY A and MEMORY B Buttons Use these to call up and store knob settings. You can use a foot switch to switch between memory A and memory B. COMPRESSION Knob This adjusts the compression effect. WRITE Button Press this to store the control settings in memory. 4. Shape SHAPE Switch Setting this switch to ON allows you to modify the tonal characteristics of each amp type selected with the TYPE switch. 2. Input Jacks HIGH Jack LOW Jack Connect the bass guitar to the corresponding jack according to the bass guitar's output level. You can change midrange frequencies, so it's possible to create a wide variety of sounds. BASS Knob This adjusts the tone of the bass range. MIDDLE LEVEL Knob This adjusts the tone of the middle range. MIDDLE FREQUENCY Knob This adjusts the frequency of the middle range. TREBLE Knob This adjusts the tone of the treble range. 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. NOTE The setting of the MASTER knob is not stored in memory A or memory B. PHONES Jack This is for connecting headphones. Tonal correction is performed in order to produce the optimal headphones sound. NOTE When headphones are connected, no sound is output to the unit's speaker. Before plugging in or unplugging headphones, be sure to adjust the MASTER knob to 0. INTENSITY Knob This adjusts the amount of chorus that's applied. When you don't want to use a chorus effect, set this to "Off" (the indicator goes dark). If you want to obtain a longer pre-delay effect, set this to a value of 7 or more. Note that this is not possible when the INTENSITY knob is off. NOTE NOTE 7. Master POWER INJECTION Indicator This indicator shows the power-boosting effect of DSP. The color of the indicator changes from green to orange according to the effect. This indicator only applies to the speaker output. POWER Switch This switches the power on and off. [. . . ] 1. k. l 107 564 Moscow, RUSSIA TEL: 095 169 5043 SAUDI ARABIA aDawliah Universal Electronics APL Corniche Road, Aldossary Bldg. , 1st Floor SAUDI ARABIA P. O. Box 2154, Alkhobar 31952 SAUDI ARABIA TEL: (03) 898 2081 EUROPE AUSTRIA Roland Austria GES. M. B. H. Siemensstrasse 4, P. O. Box 74, A-6063 RUM, AUSTRIA TEL: (0512) 26 44 260 ASIA CHINA Beijing Xinghai Musical Instruments Co. , Ltd. 6 Huangmuchang Chao Yang District, Beijing, CHINA TEL: (010) 6774 7491 SPAIN Roland Electronics de España, S. A. Calle Bolivia 239, 08020 Barcelona, SPAIN TEL: (93) 308 1000 NEW ZEALAND Roland Corporation Ltd. 32 Shaddock Street, Mount Eden, Auckland, NEW ZEALAND TEL: (09) 3098 715 BELGIUM/HOLLAND/ LUXEMBOURG Roland Benelux N. V. Houtstraat 3, B-2260, Oevel (Westerlo) BELGIUM TEL: (014) 575811 SYRIA Technical Light & Sound Center Khaled Ibn Al Walid St. [. . . ]