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manual abstract
By using an AC Adaptor, you can play without being concerned about how much battery power you have left. * You may find that it is a good idea to keep a battery installed in the unit even while using an adaptor. That way your playing won't be disrupted even if the adaptor is accidentally disconnected. * If you are going to use an AC adaptor, be sure to use the specified unit (BOSS PSA-Series). Use of any other adaptor may result in damage, malfunction or electric shock. Also, if you are not going to be using it for an extended period of time, disconnect the AC adaptor from the AC outlet 2. CHECK Indicator This indicator shows whether an effect is ON/OFF, and also doubles as the Battery Check indicator. The indicator lights when an effect is ON. If this indicator goes dim or no longer lights while an effect is ON, the battery is near exhaustion and should be replaced immediately. 3. OUTPUT Jack The output jacks are used to connect the unit to amplifiers or other devices. 4. Pedal Switch This switch turns the effects ON/OFF. 5. Thumbscrew This thumbscrew is loosened to open the pedal, allowing battery replacement. For instructions on how to replace the battery, please refer to "CHANCING THE BATTERY." 6. INPUT Jack This jack accepts input signals (coming from a guitar, some other musical instrument, or another effects unit). * The INPUT jack also serves as the power switch. Power is turned on whenever a plug is inserted into the INPUT jack, and is turned off when the plug is disconnected. When not using the unit, you should disconnect any cord connected to the INPUT jack. MAKING THE CONNECTIONS ¡LEVEL Knob] GAIN Knob ITONE Knobt LEVEL Knob This adjusts the volume of the effect sound. * When this knob is turned counterclockwise> no sound will be heard, TONEKnofe This adjusts the tone of sound. Rotating it clockwise will create sharp sound with emphasized treble, while turning it counterclockwise will create soft sound with cut treble. GAIN Knob This adjusts the gain of the blues driver. Rotating the knob clockwise will increase the gain creating harder distortion. LEVEL GAIN {»OUTPUT INPUTS- [}]* Slues Driver BD-2 Arnoiifier L3D5Ë AC Adaptor {PSA-Series ; Optional) OUT 9V DC/200 mA -L_T-- * Inserting a plug into the Input jack will automatically switch the unit on. 6 * Before connecting or disconnecting any patch cords, be sure all the volume controls in your system are set to minimum. This will help prevent any damage to system components. j OPERATING THE UNIT 1. When you have made the necessary connections, set the knobs as shown in the illustration. 2. Depress the pedal switch to turn the effect on. (Make sure that the CHECK Indicator lights.) 3. Adjust the gain of the Dry or Overdrive sound using the GAIN Knob. 4. Adjust the tone using the TONE Knob. 5. Adjust the LEVEL Knob so there will be no volume difference between the effect and straight bass sounds. CHANGING THE BATTERY When the indicator goes dim or no longer lights while an effect is on, it means that the battery is nearly dead and must be replaced. Replace the battery following the steps below. 1. Loosen the thumbscrew at the front of the pedal, then lift the pedal upwards to open the unit. * The thumbscrew can be left in the pedal while changing the battery. 2. Remove the old battery from the battery housing, and remove the snap cord connected to it. 3. Connect the snap cord to the new battery, and place the battery inside the battery housing. * Be sure to carefully observe the battery's polarity (+ versus -). 4. SI ip the col i spring onto the spri ng base on the back of the pedal, then close the pedal. * Carefully avoid getting the snap cord caught in the coil spring, 5. Finally, insert the thumbscrew into the guide bush bole and fasten it securely. SAMPLE SETTING Crunch American Blues British Blues Booster U OverDrive gf \д er**«-— LEVEL Jj GAiN SETTING MEMO Turbo OverDrive LEVEL GAiN Chord Play «n* Sf 'Л LEVEL Vv JJ GAiN Clean Crunch 12 13 SPECIFICATIONS BD-2 : Blues Driver Nominal Input Level .................-20 dBm Input impedance.......................1 MQ Nominal Output Level ..............-20 dBm Output Impedance....................1 kQ Equivalent Input Noise Level...,.-118 dBm (IHF-A, Typ.) Controls....................................Pedal Swjtch, LEVEL Knob, TONE Knob, GAiN Knob Indicator...................................CHECK indicator (serves aiso as battery check indicator) Connectors................................INPUT jack, OUTPUT jack, AC Adaptor jack (9 V DC) Power Supply............................9 V DC : Dry Battery 9 V type (6F22/9 V), AC Adaptor Current Draw............................13 mA (9 V DC) * Expected battery life under continuous use : Carbon : 20 hours These figures will vary depending on the actual conditions of use. Dimensions...............................70 (W) x 125 (D) x 55 (H) mm 2-3/4 (W) x 4-1 5/1 6 (D) x 2-3/16...