42 TASCAM BB-1000CD9–For practicing musical instrumentsStarting and stopping the metronomeOn the metronome screen, press the F1/F2 key to start/stopthe metronome.NOTEThe indicator on the front panel lights along with the time of the•metronome.When using the metronome, you cannot return to the Home•screen .Practicing with CD/SD playbackNot only can you use the unit to change the tempo of trackplayback, you can even do this without changing the pitch.You can also change the playback pitch of a track withoutchanging the tempo.Furthermore, you can also reduce (cancel) the sound ofa voice or solo instrument on a track. You can use theseplayback control functions effectively to practice and learnparts.Changing the playback keyYou can change the key (pitch) of playback sound withoutchanging playback speed by using the KEY knob and theFINE PITCH knob.Use the KEY knob to adjust the pitch up or down by semi-tone (b6 - #6).Use the FINE PITCH knob to adjust the pitch finely by acent (1/100 of a semitone). The adjustable range is –50 -+50.Changing the playback speedUse the SPEED knob to control the playback speed.Since the speed adjustment range is –50% to +16% (in 1%increments), the slowest speed setting is half the originalspeed.Reducing sound of a certain location (PART CANCEL)You can select a certain position and reduce the soundvolume from the position. For example, selecting C (center)on a commercially available audio CD reduces vocal sound(part cancel function).NOTEThe effect differs depending on the characteristic of the soundsource.1. Press the MENU key to open the MENU screen.2. Press the CURSOR [§/¶] key to select the PARTCANCEL item and press the ENTER key.3. Turn the DATA wheel to select an item and adjust it.The adjustable items are the two below:CANCEL (the factory setting is OFF)Set the CANCEL item to ON to turn the part cancel func-tion ON.Depending on the music, the part cancel function may notreduce the recorded vocal or solo instrument sound suffi-ciently. If this is the case, changing the PART setting mightmake the reduction more effective. Listen to the music asyou adjust the settings to achieve the best effect.PART (the factory setting is C)Adjust this setting to match the stereo position of the soundthat you want to reduce (L10-C-R10).Practicing a certain phrase repeatedlyYou can continuously repeat the playback of a selection thatyou make (loop playback).( ∑ page 37 “Loop playback (I–O LOOP)”)Recording the practice with CD/SDThis unit can mix and record its playback track and thesounds from microphones and the LINE IN jack.( ∑ page 39 “Overdubbing” on “8-Recording”)