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Emergency firmware update
If for some reason Ambika is "bricked" — this can happen if the SD card is damaged, if the
firmware update file has been incorrectly copied to the card, or if the power has been
disconnected during the firmware upgrade procedure — there is still a way of initiating a
firmware update, which is described next.
Press S8 while powering up Ambika to force the firmware to be reloaded from the SD-
card. During loading, the unit displays the number of bytes loaded (the firmware takes up
to 60kbytes):
SD update ...
4096
Press S7 while powering up Ambika to put the unit in MIDI firmware upgrade mode. In this
mode, the unit is waiting for the firmware to be sent as SysEx blocks over MIDI. A .syx
or .mid file with the latest data is available on the Mutable Instruments website. While
receiving blocks of MIDI data, the unit displays the number of bytes loaded (the firmware
takes up to 60kbytes):
Syx update ...
4096
If you want to use a dedicated SysEx transfer tool, we recommend Elektron's C6 tool
available for both Windows and OS X, configured with a 250ms delay between blocks.
Resetting the unit to factory settings
Most of the data held by Ambika is stored on the SD card, with one exception: the boot
configuration, which is stored on the main processor's non-volatile memory. The boot
configuration is the set of settings loaded when the unit is powered on. To restore the
default factory boot configuration, keep the S1 key while powering the unit. The unit will
freeze for a few seconds to retrieve and write the factory defaults.
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