https://www.roland.com/us/support/by_pr ... 5a6707ff3/
ROLAND SP-404MKII O.S. 2.0 IS HERE!!!
[ Ver.2.00 ] JUL 2022
Additional Functions / Functionality Improvements
Please refer to the "SP-404MKII Reference Manual (Version 2.00)" for detailed information in the [ Owner's Manuals ].
< PATTERN SEQUENCER >
Chromatic Mode can now be recorded into patterns.
( While pattern recording, hold down [SHIFT] and press [PAD4]. )
TR-REC (step recording) function has been added.
( Press [REMAIN] in the PATTERN SETTING when pattern recording starts. Or hold down [SHIFT] and press [REC] during pattern playback. )
The number of Undo steps for pattern recording has been expanded from 8 to 16.
( During pattern recording, hold down [SHIFT] and press [PATTERN SELECT]. )
The number of pattern length can be selected from 1 to 64.
( In the PATTERN SETTING, turn the [C2] knob. )
The time signature setting has been extended to 1/4 - 7/4.
( In the PATTERN SETTING, hold down [SHIFT] and turn the [C2] knob. )
Added progress bar during pattern playback.
Pattern can now be copied during pattern playback.
Pattern playback is not stopped when pattern recording is exited.
Patterns can now be selected without playback.
( Press [PAD1] - [PAD16] while holding down the [VALUE] knob at the pattern select. )
Patterns can be selected by MIDI program change (PC).
< CHROMATIC MODE >
Polyphony/Legato playback is now available in chromatic mode.
( Push [REMAIN], Polyphony:Fast Blink, Legato:Slow Blink )
Scale input is now available in Chromatic Mode.
( Scale select:press the [VALUE] knob. Scale Note select:Hold down [ROLL] and turn the [VALUE] knob. )
< PITCH / SPEED >
When VINYL MODE is set to "No," the following VARI-ENCODE types can be selected according to the sample to minimize the sound quality degradation (higher sound quality) when PITCH/SPEED is changed.
Suitable for instruments with attenuation. It is especially suitable for phrases that include instruments with a distinct attack (Drums, Percussion, Guitar rhythm, etc.).
Suitable for sustained instruments. Especially suited for smooth tone changes (e.g. Strings, Bass).
< DJ MODE >
Added Quick Loop (ROLL) function in DJ Mode.
ROLL playback : Hold down [ROLL] and press [PAD13(CH1)] / [PAD15(CH2)].
ROLL size change : Hold down [SHIFT] and press [ROLL].
Change the size during ROLL : Hold down [ROLL] and press [PAD1] - [PAD4]).
Added crossfader to DJ Mode.
( Push [START/END] to switch to CUE fader.)
Patterns can be played in DJ Mode.
Select pattern: press [PATTERN SELECT].
Switching the pattern dedicated CH: press [PATTERN EDIT]
< EFFECTS >
"Cloud Delay", "SX Delay", "SX Reverb" and "BackSpin" has been added to MFX.
Hold down [MFX] and [ISOLATOR], press [PAD1] - [PAD4]. Or hold down [MFX] and turn the [VALUE] or [C3] knob.
"Harmony" has been added to INPUT FX.
( [INPUT SETTING] > [INPUT FX] )
Effect parameters can now be changed by MIDI control change (CC).
Samples not sent to BUS1 and BUS2 (DRY) can now be sent to BUS3.
( [UTILITY] > [EFX SET] > [OTHER] > [DRY Routing] > [BUS 3] )
Added shortcut to temporarily bypass BUS 3 and BUS4.
( Hold down the [VALUE] knob, press [BUS FX] )
< OTHER >
Reverse playback similar to SP-303 can now be selected.
( [UTILITY] > [SYSTEM] > [GENERAL] > [Reverse Type] >  )
Skip Back Sampling Time can be extended to 40 seconds.
( [UTILITY] > [SYSTEM] > [GENERAL] > [SBS Time] > [Long] )
USB audio input can be sent directly to LINE OUT without going through INPUT FX and BUS FX.
( [UTILITY] > [SYSTEM] > [GENERAL] > [USB IN] > [LINE IN, MIX OUT] )
When setting the START/END point, pressing [RESAMPLE] can now be set to the zero crosspoint (SNAP to Zero-Cross).
When setting a loop point, preview playback is now started from the loop point.
Sample file names can now be displayed in Cue mode.
Holding [SHIFT] and pushing [EXIT] will now stop all sample playback.
When selecting a sample to pad mute, the LED color has been improved to make it easier to see the pad that is playback.
The LED of pads are now changed to the customized color during the START/END and ENVELOPE mode.
The parameters that can be changed simultaneously for multiple samples in a Mute Group on the PITCH/SPEED screen have been expanded. [ BPM, BPM SYNC, GATE, LOOP, REVERSE ]
( On the PITCH/SPEED screen, hold down [COPY] to change parameters. )
The ENVELOPE parameters of multiple samples in a mute group can now be changed simultaneously.
( At the ENVELOPE screen, hold down [COPY] and change the parameter. )
The following bugs have been fixed.
In CHOP mode, under certain conditions, if you assign to a pad that has the original sample. Fixed a problem in which the assigned sample would disappear.
Other minor bugs.