Roland A-49 - MIDI Keyboard Controller (White) - Manual (Page 12)

Panel Descriptions
12
Rear Panel
USB COMPUTER port
Use a USB cable to connect the
A-49 to your computer.
* Install the driver in your
computer before you make
this connection (p. 13).
HOLD jack
You can connect a pedal
switch (DP-2, DP-10; available
separately) here and use it as
a hold pedal (p. 25).
EXPRESSION jack
You can connect an expression
pedal (EV-5; available separately)
here and use it to control various
parameters and functions (p. 25).
* Use only the specified expression pedal (EV-5; sold
separately). By connecting any other expression
pedals, you risk causing malfunction and/or
damage to the unit.
MIDI OUT connector
You can connect this to the MIDI IN connector of
another MIDI device so that the A-49 can transmit
MIDI messages to it.
* To prevent malfunction and equipment failure, always turn down the volume, and turn off all
the units before making any connections.