Roland A-88 User Manual

Troubleshooting
49
Problems When Using the Unit
Problem Conrmation Resolution
Power won’t turn
on
Is the [POWER SOURCE] switch set appropri-
ately?
If the AC adaptor is connected, set the
[POWER SOURCE] switch to the “AC ADAPTOR”
position (p. 16).
Are the unit’s AC adaptor and power cord
correctly connected to the AC outlet and the
unit itself?
Make sure that the AC adaptor and the power
cord are connected correctly (p. 16). Use only
the included AC adaptor; the use of any other
adaptor may cause malfunction.
Power turns o
Could you have changed the setting of the
[POWER SOURCE] switch while the power was
on?
Turn the [POWER] switch o before you
change the setting of the [POWER SOURCE]
screen (p. 16).
Cannot select or
use unit device
Is the driver installed? Install the driver (p. 17).
Is the POWER indicator o?
Make sure that the unit is connected to the
computer correctly.
If the problem is not resolved, reinstall the
driver (p. 54).
Is the unit’s device name displayed? Close all software that is using the unit; then
turn the unit’s [POWER] switch o, then back
on again.
If the problem is not resolved, reinstall the
driver (p. 54).
Is another program using the unit?
Did the computer enter standby (suspend)
mode, hibernate mode, or sleep mode while
the unit was connected?
Close all software that is using the unit; then
turn the unit’s [POWER] switch o, then back
on again.
If the problem is not resolved, restart the
computer.
Did you disconnect and reconnect the USB
cable while using the unit?
Was the unit connected to the computer while
the computer was starting up?
Connect the unit after the computer has
started up.
With some computers, the unit cannot be
used if it is connected to the computer while
the computer is starting up.
Windows 8/Windows 7/
Windows Vista
Are you using the Media Player included with
Windows?
Use dierent software.
MIDI devices cannot be selected in Media
Player.
Mac OS X
Have you congured “Audio MIDI Setup”?
Congure Audio MIDI Setup (p. 20).
Could you have specied OS default (GENERIC)
as the driver setting?
Choose the dedicated setting (ADVANCED)
(p. 46).

Roland A-88 Specifications

General

Control type	Buttons, Rotary
Number of knobs	2
MIDI-keyboard number of keys	88 keys
Product color	Black
Interface	USB
DC-in jack	Yes
Power source type	DC

Weight and Dimensions

Depth	273 mm
Width	1443 mm
Height	116 mm
Weight	15900 g