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The Polyphony Expansion Kit
 
Tools and Materials Required for Installation
 
5
 
Checking the Operating System Software Version
 
There are two ways to check the version of the operating system software. The first is to watch 
the display as the instrument powers up. During powerup, the display shows several messages. 
One of these messages is 
 
Welcome|to|the|PC2
 
; this message also indicates the version of the 
operating system software on the bottom line of the display.
The second way to check the version of the operating system software is to check the value of 
one of the parameters in the Global menu. Press the 
 
Global
 
 button, then press the 
 
Right
 
 cursor 
button until you see a parameter called OS Version.
Whichever method you use, if the operating system version is lower than 
 
2.1
 
, you need to 
update your operating system software. See 
 
 
 
Checking the Soundware Version (Keyboards only)
 
To check the version of your soundware, select Program 
 
127
 
 in the User bank (Bank 1). This is a 
sine wave that the PC2 uses in its internal diagnostics. The program name should be 
 
Sine v2.0
 
 
(or a higher number). If the number is lower than 
 
2.0
 
, you need to update your soundware (see 
 
Tools and Materials Required for Installation
 
#1 (small) Phillips screwdriver
Two thick foam pads (keyboard models only)
You’ll need a flat work area large enough to accommodate the disassembled instrument. Most 
tabletops will work for the PC2R, but keyboard models require more space—up to 60-by-30 
inches, depending on the length of the keyboard. The foam pads listed in the required materials 
will protect the Alpha Wheel and sliders on keyboard units.
 
Tools and Materials Required for Software Updates
 
If you own a keyboard model and you need to update your operating system software, 
soundware, or boot block, you’ll also need the following:
Stand-alone sequencer or MIDI file player that has a floppy drive and can send System 
Exclusive (SysEx) data—or a personal computer (either Windows-compatible or a 
Macintosh or other computer capable of reading DOS disks and files) equipped with MIDI 
interface, floppy disk drive, and sequencing software capable of sending SysEx data.
MIDI cable
 
Sequencer Software for Windows-Compatible Computers
 
For Windows-compatible computers, we recommend using Windows Media Player, which you 
can download from the following site:
 
http://www.microsoft.com/windows/windowsmedia/en/Download/default.asp