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vpme.de - trig31 - 8 channel Eurorack trigger to MIDI converter User Manual rev1.0
Installation:
● trig31 is a 4hp Eurorack trigger to MIDI converter
● The modules consumes 20mA from the 12V and 0mA from the -12V supply, it does not use
the +5V rail.
● Carefully check the orientation of the 16-pin power connector, the red stripe (-12V) should
be at the bottom of the module, see the labeling on the PCB.
● Use the supplied 3.5mm to MIDI adapter cable to connect the module to a MIDI-IN capable
device. The adapter follows the Arturia/Novation pinout (TIP: current souce, RING: current sink)
● Further information and contact details at: http://vpme.de/trig31/
Firmware update instructions:
● Check http://vpme.de/trig31/ for firmware updates, download and save the update WAV file
to your PC. The current firmware version on the module is shown by the flashing LEDs when
you power up the unit (binary number: LED8 = 1, LED7 = 2, LED6 = 4, LED 5 = 8)
● Connect the output of your mixer/soundcard to the trigger 1 input. Press and hold ⬇ and
power on your system, LEDs 6, 7 and 8 will blink. make sure your speakers are muted before
you play the update WAV file. Disable all other sounds and notifications as they can disturb the
update process.
● Play the WAV file at full volume, you need at least 2Vpp on the trigger 1 input. If needed
boost the volume with an outboard mixer or VCA. You can check the correct level with LED 5, it
will light up when the unit receives the update data correctly.
● To start the update process, stop and rewind the WAV file and press ⬆, LED 6 will blink. Now
play the file, LED 6 will light up and LED 7 will blink to show the update in process.
When the update is complete all 4 LEDs will light up. press ⬇ to leave the updater and start the
unit in normal mode
5
6
7
8
unit in
update
mode
5
6
7
8
signal
level
OK
5
6
7
8
waiting for
update
data
5
6
7
8
update
in
progress
5
6
7
8
update
successful
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vpme.de - trig31 - 8 channel Eurorack trigger to MIDI converter User Manual rev1.0