Roland BK-5 用户手册

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页码 152
Other important functions 
42
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Backing Keyboard BK-5
Using ‘Track Mute’ and ‘Center 
Cancel’
You can use this function to mute tracks of rhythms or 
the melody part of the selected Standard MIDI File 
(SMF). After selecting a WAV or mp3 audio file, you can 
attenuate the vocal part at the center of the stereo 
image (“Center Cancel”). The Mute function’s behavior 
depends on the selected file type.
1.
Select a song (SMF or audio) or a rhythm.
2.
Press the [START/STOP] button to start play-
back.
3.
Press the [TRACK MUTE] (CENTER CANCEL) 
button (its indicator lights).
The “Track Mute” or “Center Cancel” function will 
turn on. This depends on the file type you selected:
NOTE
For some audio songs, the vocal sound may not be elimi-
nated completely.
4.
Press the [TRACK MUTE] (CENTER CANCEL) 
button again to make its indicator go dark.
This switches the “Track Mute” or “Center Cancel” 
function back off.
Selecting the track(s) to mute for rhythms 
or SMF songs
The following procedure allows you to specify the track 
of the selected Standard MIDI File that should be muted 
when you switch on the [TRACK MUTE] button.
NOTE
This function is not available for audio files.
1.
Select a rhythm or an SMF song.
2.
Press and hold the [TRACK MUTE] (CENTER 
CANCEL) button.
This function can also be selected using [MENU] but-
ton ‰ “Global” ‰ “Rhythm/SMF Track Mute”. 
Depending on the file type, the display changes to…
…or:
When you start playback, you will notice that active 
parts are indicated by moving bar graphs that simu-
late level meters. The bar graphs of muted parts do 
not move. 
3.
Rotate the [CURSOR÷VALUE] dial to move 
the cursor to the track you want to mute.
4.
Press the [ENTER/SELECT] button to high-
light the corresponding parameter.
5.
Rotate the dial to change the setting and 
press [ENTER/SELECT] to confirm you set-
ting.
The possibilities are:
6.
If you want to save your selection of the 
track(s) that should be muted for any 
rhythm or SMF file you play back, see “Save 
Global” on p. 70.
7.
If there is no need to save your settings, 
press and hold the [EXIT] button to return to 
the main page.
File Type
Function
Explanation
Rhythm
Track Mute
The specified rhythm 
track(s) is muted (Default: 
AC1~AC6).
SMF
Track Mute
The specified Standard MIDI 
file track is muted (Default: 
channel 4).
Audio
(mp3, 
Wav)
Center Cancel
Sounds in the center (the 
melodic portion of the 
sound) will be minimized.
Display indication
<no indication>
The associated track is played back.
M
The associated track is no longer 
played back (muted).
BK-5_US.book  Page 42  Monday, November 14, 2011  12:43 PM