Roland MC-303 Groovebox User Manual download pdf (Page 2)

®ÂØÒÅˆÎ MC-303 Supplemental Notes

The rhythm sets in the MC-303 are assigned to MIDI channel 10. There is a list of the rhythm sets on pages 90-

93 in your Owner’s Manual. You do not need to send a bank message (CC0/32) to select the different sets - only

program change message on MIDI channel 10. For example:

To select “HipHop set” send: To select “House set” send: To select ”Techno Set2”

send:

Message Value Message Value Message Value

PC 81 PC 41 PC 57

III. Editing Sounds

In Sound Module mode, the front panel controls on the MC-303 are inactive. To manipulate the sounds, you will

need to send continuous controller messages from your sequencer. Let’s look at some specific examples of these

controllers and what you can do with them. You will normally insert these messages into the event list editor on

your sequencer. Please note that you will need to specify the MIDI channel for the part you are going to be

editing. Also, make sure that you enter these messages in the order shown. They will not work if your MC-303

eceives them in the wrong order.

Mono and Portamento Mono and Portamento are effects that can add a great “Retro” feel to a sound. Mono

sounds will only play one note at a time. Portamento is an effect that causes a pitch slide between notes. This

orks great on synth leads and some bass sounds. Try sending these values from your sequencer:

Controller Value

CC126 01 Mono on.

CC65 127 Portamento on, a value of 0 turns it off.

CC5 40 Portamento Time. Higher values create longer slide times.

Registered Parameter Numbers (RPN)

CC100 and CC101 define the Registered Parameter Number (RPN) functions, which include pitch-bend

sensitivity, fine tuning, and coarse tuning. Use CC6 (data entry) to set the value for the registered parameter you

choose.

Pitch-Bend Sensitivity The MC-303 has a default pitch-bend range of a whole-step, but you can set the bend

range for an individual Part up to two octaves by inserting these messages into your event list:

Controller Value

CC101 00 Selects RPN function.

CC100 00 Selects pitch bend as the parameter you want to adjust.

CC06 XX Sensitivity in half steps. The range is 0-24.

Fine Tuning With the fine tuning Registered Parameter Number function, the MC-303 can be tuned to match

another instrument. You can also use this to detune a part to add some fatness to a particular track. Use the

following messages:

Controller Value

CC101 00 Selects RPN function.

CC100 01 Selects fine tuning as the parameter you want to adjust.

CC06 XX Sensitivity in steps of 1.5 cents. The range is 0-127 with 64 being

standard A=440hz tuning.

Coarse Tuning The coarse tuning parameter lets you change the pitch of the MC-303 in half-steps over a four-

octave range. Since all registered parameter functions affect only the channel on which they are sent, you can

transpose just the desired parts. This allows you to transpose a piece while leaving the drum and sound effect

parts at their original pitch. Add the following messages to the event list of each track you wish to transpose:

Controller Value

CC101 00 Selects RPN function.

CC100 02 Selects coarse tuning as the parameter you want to adjust.

CC06 XX Sensitivity in half steps. The range is 40-88 with 64 being standard.

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Roland MC-303 Groovebox User Manual Page 2

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