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Oplab OS 861 (2015-03-03)
Release notes
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Upgrade instructions
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1. hold down the 'select' button on oplab during power-up.
   this will enter the 'OS upgrade mode' and will be indicated by the 4x LEDs flashing.
2. connect the board to a computer using the mini- USB port.
3. launch a SysEx transfer tool like 'SysEx librarian' on mac, 'MIDI-OX' on PC.
   we recommend the pc/mac tool C6 from elektron, available under 'applications' at:

   http://www.elektron.se/support-and-downloads

4. load the latest "oplab-xxx.syx" file and hit play/send.
5. oplab will indicate the transfer by cycling the 4x LEDs one by one.
   once done, oplab will automatically restart.



Changelist rev. 861 (2015-03-03)
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New features:
- Mode 5 - jack sync
- CV/Gate interface listens to MIDI channels 1 and 15.
- Expansion port listens to MIDI channels 1 and 16.
- In modes 1, 2, 3, set sync source to latest input that sent MIDI Start
- CV thru when selected as input in mode 0
- MIDI thru doesn't work (no MIDI out on MIDI in)
- Extended expansion port routing for modes 0 & 1
Bug fixes:
- MIDI in from USB device port doesn't work
- Hanging/dropping notes on MIDI out
- Dropping notes on MIDI in while MIDI sync is on
- Hz/V / V/oct switch is swapped with respect to print on PCB & case
- LEDs are too bright and flicker in some situations
- Gate out sometimes hangs when provoked from USB
- New OS on old oplab doesn't read correct calibration values from memory
- Expansion port glitchy and unresponsive
- Gate input glitchy and unresponsive
- Expansion port inputs 9-11 don't work
- Sensor mode calibration resets inputs not plugged-in
- CV1 input sampling is lagging behind (e.g. when using analog sequencer to MIDI)
- CV1 and CV2 may get swapped when calibrating in sensor mode
- Expansion port output stuck notes when playing polyphonic
- USB leds don't turn off after something is plugged in
- MIDI parsing doesn't accept real-time message inside other message. This fixes octatrack issues.
- USB->CV doesn't work in all intended modes
- Pitch bend conflicts in mode 1

