Yamaha PSR- 273 Guia Do Utilizador

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MIDI Functions
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This function lets you enable or disable keyboard control over the PSR-275/273’s 
voices in the Function mode (page 60).  This would come in handy, for example, 
when recording notes to MIDI sequencer.  If you are using the sequencer to play 
back the voices of the PSR-275/273, you would want to set this to “off” — in 
order to avoid getting “double” notes, both from the keyboard and from the 
sequencer.  Normally, when playing the PSR-275/273 by itself, this should be set 
to “on.”
The most common use for the Initial Setup Send function is in recording a song 
on a sequencer that is intended for playback with the PSR-275/273.  Essentially, 
this takes a “snapshot” of the PSR-275/273 settings and sends that data to the 
sequencer.  By recording this “snapshot” at the start of the song (before any actual 
performance data), you can instantly restore the necessary settings on the PSR-
275/273 in the Function mode (page 60).  Provided there is a pause in the song, 
you could also do this in the middle of a song — for example, completely chang-
ing the PSR-275/273 settings for the next section of the song.
This determines whether the style and song playback functions are controlled by 
the PortaTone’s internal clock (off) or by MIDI clock data from an external 
sequencer or computer (on).
This should be set to on when you want to have style or song playback follow the 
external device (such as a rhythm machine or a sequencer). The default setting is 
off.
These settings can be made in the Function mode (page 60).
Local Control
•  No sound is output from the 
PSR-275/273 when Local ON/
OFF is set to OFF.
Using Initial Setup Send with a Sequencer
•  When the Initial Setup Send 
operation is completed, the PSR-
275/273 automatically returns to 
the previous panel condition.
External Clock
•  If External Clock is set to ON, 
style or song playback will not 
start unless external clock are 
received.
MIDI LSB Receive Cancel
Determines whether the LSB data of Bank Select is received or 
not.  Press and hold the lowest key and turn on the power to change 
the setting (LSB is ignored).
To restore MIDI LSB Receive Cancel to normal (LSB is recog-
nized), turn on the power again normally.