Part No. 910304, Rev. B
K2500 Operating System Version 2.5
x
(KB3 Mode)
Release Notes
What’s New in Version 2.5?
The primary new features of Version 2.5 are in KB3 Mode, which is fully described in this document,
beginning on page 3. Additional enhancements to V2.5 include:
Faster SCSI Operations.
Sample loading is now up to three times faster than in previous versions of the operating system. These
operations are now performed at approximately 1 Meg per second. Sample saving is over twice as fast (Now
approximately
2
/3
Meg per second). Copy and backup are similarly improved.
Faster Sample Memory Deletion/Compaction.
Sample memory deletion and compaction have been speeded up considerably in V2.5. The K2500 stores all
sample data contiguously in sample RAM (as opposed to storing on a disk, where a file may be fragmented), so
deleting selected samples from memory requires the K2500 to arrange all remaining samples contiguously;
this keeps the remaining memory in one "chunk". While the amount of time needed still depends on how much
is being deleted and how much is currently in memory, this process is now much faster than it was previously.
Faster Object Memory Delete/Save.
Previously, with many hundred objects in memory, deleting or saving an object could take a long time. Now it
is much faster, typically under a second. However, dependent object computation can still take a while.
Multi-Velocity Keymaps
Five multi-velocity keymap templates have been added to ROM (IDs 34-39). Previously only two- and three-
level keymaps were available. Use the Chan/Bank buttons to navigate through the various levels while in the
Keymap editor. Switch points are not user editable.
New Control Setup
Control Setup (ID 97) has been changed to include KB3 functionality:
•
EditSetup: COMMON page Mutes parameter defaults to KB3 Control.
•
PanelSwitch2 now sends MIDI 29.
•
FootSwitch4 now sends MIDI 68 (LegatoSwitch-Leslie Fast/Slow for KB3 programs).
1997, All Rights Reserved. K
urzweil is a product line of Young Chang Co. Kurzweil, K2500, and V.A.S.T. are
trademarks of Young Chang Co. Voce is a trademark of Voce, Inc. Hammond and Leslie are trademarks of
Hammond Suzuki USA. All other trademarks and registered trademarks are the property of their respective
owners. Product features and specifications are subject to change without notice.
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