16/oct/2026 17/40 - Roland EDIROL V-8 - undocumented menus   

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i found an undocumented "help" menu by putting a serial bowl ontop of the v8
and turning it on

some of the options are documented, so i won't expand on them much

V-8 Help	key combo	my description
Init	[MIX]+[BPM]+[TRSF-B]	is documented and resets the mixer
Version	[InpA4]+[InpB1]	displays the firmware version
MakeTime	[InpA8]+[InpB5]	displays either the date/time firmware was compiled, or the mixer was made. same date/time is also displayed on the display as a marquee, when time is displayed leds on "output fade", "tap bpm", and "output preview" cycle in circular pattern.
Preset	[FXA1]+[FXA4]	resets the device to factory, displaying FAC on the display
NTSC/PAL	[PRV-1]+[PRV-0]	changes the default color system
Test Mode	[MENU]+[ENTER]	is documented in the service notes, displays TST on the display
Set Mode	[UP]+[DOWN]	is expansion of Test Mode with actual calibration options, displays SET on the display, the mixer is almost fully operational in this mode
MIDIup	[M1]+[MIX]+[<]+[>]	is likely firmware updater via MIDI, but "<" and ">" buttons remain a mystery to me (didn't try since there is a case of someone bricking their mixer)
Romup	[M8]+[EFX]+[<]+[>]	is likely a ROM updater(also didn't try for the fear of bricking the mixer)
V-8Help	[TAP]	starts the mixer into this mode, displays HLP on the display(no space between v-8 and help is kinda funny)