m-vave / fm1_open

# FM1 Open V14
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8 tracks, 8 sample slots, 16 FX demos; binary SDK included.
Workbench and development kit · Official forum
Use the workbench to update firmware, preview the instrument and manage projects, samples and DX7 voices. Select "Source + SDK" to download the development kit matching the online release. Back up projects, voices and samples before updating, and keep the device powered during writes.
## V14 features
- **DX7 library:** 128 voices in four groups of 32, with the M-VAVE FM1 original V15 factory voices and order. Saved user banks take priority. DX7 single-voice and 32-voice bank SysEx import/export is supported; extension parameters are not handled. Changing the library does not change patches already saved in projects.
- **Track roles:** on SEQ **8/8 TRACK ROLE**, K1 selects NORMAL, PLAY or OFF; K2 selects input MIDI channel 1–16. PLAY retains the track's timbre and held notes across project changes. MUTE/SOLO use the existing controls, with independent NORMAL and PLAY solo groups. PLAY timbre edits are not saved with projects: export a timbre file, or save DX7 voices to the independent library.
- **Step recording:** with the track set to NORMAL, press REC while stopped and play notes. Releasing all played keys advances to the next step, including DRUM 808 and SAMPLER. Overlapping notes share a step; during playback, REC records in time. PLAY tracks are for live performance and do not record notes.
- **Tempo and delay:** internal tempo is 30–300 BPM. Tap Tempo is available on the workbench, with SEQ on the FX DELAY page, or with HOME held while tapping SEQ elsewhere. Delay supports tempo synchronization and fixed times of about 30–2040 ms.
## MIDI
FM1 accepts DIN, USB and BLE MIDI input, with USB/BLE output. Default input channels 1–7 address tracks 1–7; channel 10 addresses track 8. Change each input channel on TRACK ROLE.
- **5/8 SYNC / LOOP:** select internal or external clock, tempo, loop length and clock input.
- **6/8 MIDI TRACK:** select SEQ/ARP LOCAL, BOTH or MIDI output, output channel, output ports and physical KEY OUT.
- **7/8 MIDI ROUTING:** configure LOCAL, CLK OUT and MIDI Thru. For DAW monitoring with Local Off, enable KEY OUT and select the output ports.
MIDI preferences are saved independently of projects. The browser simulator previews these settings without sending performance MIDI to external ports; configure the instrument on its panel. MIDI Clock, Start, Continue, Stop and Song Position Pointer input are supported. Clock loss stops synchronized playback.
## Updates and compatibility
V13 can update to V14. The workbench supports returning to original V15 and migrating from compatible third-party firmware. The standard FM1 update protocol remains available. Compatibility has been checked with selected firmware versions; it is not a guarantee for every third-party release.
Firmware switching does not make project and sample formats interchangeable. Keep exported backups for rollback. Older firmwa