How to Save a Patch on Jupiter-4 with IO midi mod

I did not understand it from the IO user manual: Covariant Instrument, Roland Jupiter-4 MIDI

Make a patch in MANUAL mode. To save it:

1. Press a COMPU-MEMORY button and keep it pressed
2. Press MANUAL button twice*
3. Release both
4. Press PROTECTION button and keep it pressed
5. Press WRITE button
6. Release both

* It’s probably OK to press MANUAL once but it seemed a bit unreliable

(To change bank, press one of the PRESET buttons)