Kawai MP7SE Owner's Manual page 123

An SMF (Standard MIDI file) sounds
strange when played back or some
parts don't playback.
When recording MP3/WAV audio
files, the volume is too low/too high
(distorted).
The MP7SE loads SMF files into the instrument's Song Recorder (internal
memory), which only supports one track + drum track. MIDI data that requires
miltiple tracks may therefore not playback correctly.
When saving Song Recorder (internal memory) SMF files, the MP7SE includes
additional system exclusive data for selecting sounds.
The SMF file may therefore sound different when played back on devices other
than the MP7SE.
The program change messages cannot be loaded to the MP7SE's internal MIDI
recorder.
If an SMF file that does not include the MP7SE's additional setup information is
loaded in to the Song Recorder (internal memory) the current sound's setting
will be used. This can be checked by using the 'Listen' button before loading
the SMF file.
Please use the SMF Direct Play function instead of loading the file into the
internal recorder memory. The SMF Direct Play function will play the SMF file
directly from USB memory, and supports 16-track playback.
The MP7SE stage piano does not contain the full General MIDI sound bank
selection. Consequently, some SMF song files may not be reproduced entirely
accurately when played through the instrument.
Adjust the 'Audio Recorder Gain' setting in the SYSTEM:Utility menu.
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