Boss Dr. Sample SP-303 Owner's Manual page 66

Delete all patterns
Pattern Save
Pattern Load
Set the MIDI channel
Set MIDI Sync mode
Make the settings for a rhythm sound module
Initialize MIDI settings
Initialize the SP-303's memory
Remove the SP-303's memory protection
Protect the SP-303's memory
Format a memory card
[PATTERN SELECT] [CANCEL] + [DEL]
[PATTERN SELECT] [CANCEL] + BANK [C] or [D]
Press a pad ([1]–[7]) to specify the number of the area
[PATTERN SELECT] [CANCEL] + BANK [A] or [B]
Press a pad ([1]–[7]) to specify the number of the area
Channel 1–8: Pad [1]–[8] + Power On
Channel 9–16: [HOLD] + Pad [1]–[8] + Power On
[TIME/BPM] + Power On CTRL 1 (TIME) knob
[EXT SOURCE] + [HOLD] + Power On
[EXT SOURCE] + Power On
[CANCEL] + [DEL] + [REMAIN] + Power On
[CANCEL] + Power On
[REMAIN] + Power On
[CANCEL] + [REMAIN] BANK [C] or [D]
Appendices
BANK [A]–[D] [DEL]
[REC]
[REC]
[TIME/BPM]
[DEL]
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