Top Panel

Controller	Explanation
CHARGE indicator	When charging via USB port: Orange (lit): Charging. Green (lit): Charging is completed. Green and orange (blinking): A charging error occurred. Please contact your dealer or a Roland customer service center. https://roland.cm/service
CHARGE indicator	When not charging via USB port: Red (lit): The remaining battery power is low. Charge the battery. The unit powers down within 30 minutes.
SYNC IN jack	Use this jack to input synchronization signals from an external device.
SYNC OUT jack	Use this jack to output synchronization signals to an external device.
MIX IN jack	This is the audio input jack. The sound from connected devices is output from the MIX OUT jack.
MIX OUT jack	This is the audio output jack. You can plug a pair of headphones into this jack.
[VOLUME] knob	Adjusts the volume of audio coming from the MIX OUT jack.

Use cables with monaural mini phone type plugs to connect to/from the SYNC IN/OUT jacks. Do not use cables with stereo mini phone type plugs, as these cables do not work.
Do not connect an audio device to the SYNC OUT jack. Doing so may cause a malfunction.
If an external device is connected to the SYNC IN jack, the unit synchronizes with the clocks inputted to the SYNC IN jack, regardless of the MIDI Clock Sync setting.
Use cables with stereo mini phone type plugs to connect to/from the MIX IN/OUT jacks. Do not use cables with monaural mini phone type plugs, as these cables do not work.

Controller	Explanation
Display	This is a four-digit, seven-segment LED display.
[TEMPO/VALUE] knob	Changes the values shown in the display.
[SHIFT] button	Use this in combination with other controllers.
[PATTERN] button	Switches the unit to pattern selection mode.
[ø] (PLAY) button	Plays the pattern. Press the button again to stop playback.
[ó] (REC) button	Switches the unit to recording standby. Recording starts when you play the pattern; and when you press an instrument button, notes are recorded in the step sequencer. Press the [KYBD] button to input a bass note, accent or slide.

Controller	Explanation
[LEVEL] knob	Adjusts the bass drum volume.
[TUNE] knob	Adjusts the pitch. Press the [DECAY] button to change how long the bass drum resonates (the decay length).
[DECAY] button	Edits the function controlled by the [TUNE] knob.
[BASS DRUM] button (instrument button)	Selects the bass drum.

Controller	Explanation
[LEVEL] knob	Adjusts the snare drum volume.
[TUNE] knob	Adjusts the pitch. Press the [DECAY] button to change how long the snare drum resonates (the decay length).
[DECAY] button	Edits the function controlled by the [TUNE] knob.
[SNARE DRUM] button (instrument button)	Selects the snare drum.

Controller	Explanation
[LEVEL] knob	Adjusts the volume for both the toms and the hand clap.
[TUNE] knob	Adjusts the pitch of the selected instrument.
[HAND CLAP] button (instrument button)	Selects the hand clap. While this is selected, you can adjust the pitch with the [TUNE] knob.
[TOM] button (instrument button)	Selects the tom instrument. While this is selected, you can adjust the pitch with the [TUNE] knob.

Controller	Explanation
[LEVEL] knob	Adjusts the volume of both the open and closed sounds.
[DECAY] knob	Adjusts the decay length of the hi-hat sound.
[CLOSED HIHAT] button (instrument button)	Selects the closed hi-hat.
[OPEN HIHAT] button (instrument button)	Selects the open hi-hat.

Controller	Explanation
[LEVEL] knob	Adjusts the bass volume.
[PITCH] knob	Adjusts the pitch.
[DECAY] knob	Adjusts the decay length.
[CUTOFF] knob	Adjusts the cutoff frequency, which determines the brightness of the sound.
[RESO] knob	Adjusts the harmonics around the cutoff frequency.
[ENV MOD] knob	Adjusts the intensity of time-based change to the cutoff frequency.
[BASS] button (instrument button)	Selects the bass.
[KYBD] button	While this is on, you can use the keyboard buttons to play the bass.

Controller	Explanation
[DELAY] knob	Adjusts the delay volume.
[REVERB] knob	Adjusts the reverb volume.
[ACCENT] button	When you select this while a rhythm instrument is selected, an accent is set for the rhythm part. When you select this while the bass is selected, an accent is set for the bass part.

Controller	Explanation
Step buttons	Using for switching patterns and banks, and inputting rhythm and bass.