TASCAM BB-1000CD/BB-800 37Changing the playback speedUse the SPEED knob to adjust the playback speed withoutchanging the pitch.The speed adjustment range is –50% to +16% (in 1% incre-ments), so the slowest speed setting is half the originalspeed.Reducing the sound at a certain stereo position(PART CANCEL)You can select a certain stereo position and reduce thevolume of the sound from that position. For example,selecting C (center) on commercially-available audio CDsreduces the vocal sound.CAUTIONDepending on the stereo position of the sound and theuse of reverb (echo), the part cancel function might notbe effective or might be less effective than expected.1 Confirm that the unit is stopped.2 Press the HOME key to open the Home screen.3 Press the MENU key to open the MENU screen.4 Use the DATA wheel or CURSOR [§/¶] keys to selectPART CANCEL, and press the ENTER key.5 Adjust the following settings as necessary. Use theCURSOR [§/¶] keys to select items. Use the DATAwheel to make settings.CANCEL (default setting is OFF)Set to ON to activate the part cancel function.PART (default setting is C)Set this to the stereo position of the sound that you wantto reduce. The setting range is L10 (far left) – C (center)– R10 (far right).Practicing a certain phrase repeatedlyYou can continuously repeat the playback of a selectedinterval (loop playback). (See “Repeating playback of a setinterval (loop playback)” on page 34.)Recording while playing along with a CD or SDcardYou can mix and record the playback track with the soundsinput by microphones and the LINE IN jacks. (See “Addingperformances to an existing recording (OVERDUB)” onpage 27).6 – Practicing with musical instruments