86
PSR-I425 Owner’s Manual
Connecting to a Computer
●
Channel Messages
This instrument is capable of handling 16 MIDI
channels simultaneously—meaning it can play up
to sixteen different instruments at the same time.
Channel messages transmit information such as
Note ON/OFF, Program Change, for each of the 16
channels.
●
System Messages
This is data that is used in common by the entire
MIDI system. System messages include messages
like Exclusive Messages that transmit data unique
to each instrument manufacturer and Realtime
Messages that control the MIDI device.
The following functions become available when this instrument is connected to a computer.
●
Performance data can be transferred between the instrument and the computer (page 87).
●
Files can be transferred between the instrument and the computer (page 89).
The connection procedure is as follows:
1
Install the USB-MIDI driver on your com-
puter.
The USB–MIDI driver is included on the CD-ROM.
Installation of the USB MIDI driver is described on
page 92.
2
Connect the USB terminal of the computer
to the USB terminal on the instrument using
a standard USB cable (USB cable sold sep-
arately).
The supplied CD-ROM also includes a Musicsoft
Downloader application that allows you to transfer
song files from your computer to the instrument’s
flash memory. For instructions about how to install
Musicsoft Downloader and how to transfer song
files, see page 90.
■
USB Precautions
Please observe the following precautions when
connecting the instrument to a computer via a USB
cable.
Failure to do so can cause the instrument and/or the
computer to hang up (freeze), possibly causing cor-
ruption or loss of data.
If the instrument or computer does hang up, turn
the power to both devices off and then on again,
and restart the computer.
Message Name
Instrument Operation/Panel Setting
Note ON/OFF
Performance data of the keyboard (contains
note number and velocity data)
Program Change
Instrument selection (including bank select
MSB/LSB, if necessary)
Control Change
Instrument settings (volume, pan, etc.)
Message Name
Instrument Operation/Panel Setting
Exclusive Message
Reverb/chorus settings, etc.
Realtime Messages
Start/stop operation
Connecting a Personal Computer
USB cable
PSR-I425
• Wake the computer from a sleep/suspended/standby mode before
connecting the USB cable.
• Connect the USB cable to the instrument and computer before
turning power to the instrument on.
• Check the following points before turning the instrument’s power
on or off, and before plugging or unplugging the USB cable.
• Quit all applications.
• Make sure that no data transfer is in progress (data is trans-
ferred whenever you play on the keyboard or play a song).
• Allow at least 6 seconds between turning the instrument’s power
on and off, and between plugging and unplugging the USB cable.
• Directly connect the instrument to the computer using a single
USB cable. Do not use a USB hub.
CAUTION
• The Musicsoft Downloader application may not be able to access the
instrument in the following cases:
• During style playback.
• During song playback.
NOTE
Summary of Contents for PortaTone PSR-I425
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Page 101: ...Scores PSR I425 Owner s Manual 101 ...
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