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PCR-1 User's Guide
PC2 Version 3 Operating System Features
The parameters that control the PC2's GM functions are in
the Global menu. There are three of them: General MIDI, GM
Bank, and GM FX Scale.
General MIDI
Use this parameter to turn GM mode on and off. Set the value
to On to activate GM mode; set the value to Off to return to
normal operation. When you turn your PC2 off, it remembers
whether GM mode was on, and starts up in the same state
the next time you turn the PC2 on.
You can also activate/deactivate GM mode with a System
Exclusive (SysEx) message to the PC2. To turn GM mode on
via SysEx, send this message:
F0 7E <device ID> 09 01 F7
The value you use for <device ID> must match the value of
the Device ID parameter in the Global menu. By default it's 0,
so unless you've changed it, your SysEx message should
include 00 for <device ID>. You can also use 7F as the Device
ID to broadcast to all receiving instruments.
To turn GM mode off via SysEx, send this message:
F0 7E <device ID> 09 02 F7
What Happens When You Turn GM Mode On
When General MIDI is On, the PC2 sets all MIDI channels
(except Channel 10, the Drum channel) to play programs in
the bank where the GM programs are stored (Bank 2, Exp1 if
you installed the GM programs into ROM, or Bank 1, User if
you loaded them into RAM; see GM Bank below for more
information). Channel 10 plays programs in Bank 7; these are
drum programs, with program change numbers reconfigured
to match the GM specification.
To ensure the proper dynamic response to GM files, the PC2
adjusts the receive velocities using a specialized touch map.
If you have a PC2R, you'll see this value if you select the
Touch parameter in the Global menu (it doesn't show up on
keyboard models).
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