Roland 5100009796-02 User Manual

Names of Things and What They Do

fig.Panel-Side.eps

You can connect a separately sold AC adaptor here. If you want to purchase an AC 
adaptor, contact the retailer from whom you purchased the product, or the nearest 
Roland Service Center.

Use this to connect the A-PRO to your computer via a USB cable.

This switch turns the Merge function on/off for messages from MIDI IN.
➝  “MIDI MERGE DESTINATION” (p. 67)

You can connect these connectors to the MIDI connectors of other MIDI equipment to 
transmit and receive MIDI messages.
➝  “MIDI-related Settings” (p. 66)

Connect the appropriate type of pedal to each of these connectors.

You can also assign any desired MIDI message to these controllers.
➝  “Assigning MIDI Messages” (p. 29)

* Use only the specified expression pedal (EV-5 or EV-7; sold separately). By 

connecting any other expression pedals, you risk causing malfunction and/or 
damage to the unit.

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Side Panel

Power on using the AC adaptor

Power off

Power on with the USB cable connected
USB (i.e., bus power) can be used when the A-PRO is connected to your computer 
via a USB cable. The power is supplied from the computer via the USB cable.
* The A-PRO might not operate on bus power with some computers. In this case, 

please use the separately sold AC adaptor.

Connect a pedal switch (DP-2, DP-10; sold separately) here and use it as a 
Hold pedal.

Connect an expression pedal (EV-5, EV-7; sold separately) here and use it to 
control the sound or volume in real time.

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