USING THE UNIT SAFELY
3
 WARNING
Turn o the unit if an abnormality or malfunction 
occurs
Immediately turn the unit o, 
remove the AC adaptor from the 
outlet, and request servicing by 
your retailer, the nearest Roland 
Service Center, or an authorized 
Roland distributor, as listed on the 
“Information” page when:
•  The AC adaptor, the power-
supply cord, or the plug has been 
damaged; or
•  If smoke or unusual odor occurs; or
•  Objects have fallen into, or liquid 
has been spilled onto the unit; or
•  The unit has been exposed to rain 
(or otherwise has become wet); or
•  The unit does not appear to 
operate normally or exhibits a 
marked change in performance.
Adults must provide supervision in places where 
children are present
When using the unit in locations 
where children are present, be 
careful so no mishandling of the 
unit can take place. An adult should 
always be on hand to provide 
supervision and guidance.
Do not drop or subject to strong impact
Protect the unit from strong impact.
(Do not drop it!)
Do not share an outlet with an unreasonable 
number of other devices
Do not force the unit’s power-
supply cord to share an outlet with 
an unreasonable number of other 
devices. Be especially careful when 
using extension cords—the total 
power used by all devices you have 
connected to the extension cord’s 
outlet must never exceed the power 
rating (watts/amperes) for the 
extension cord. Excessive loads can 
cause the insulation on the cord to 
heat up and eventually melt through.
Do not use overseas
Before using the unit in a foreign 
country, consult with your retailer, 
the nearest Roland Service Center, 
or an authorized Roland distributor, 
as listed on the “Information” page.
Do not use a CD-ROM in an audio CD player or 
DVD player
DO NOT play a CD-ROM disc on a 
conventional audio CD player. The 
resulting sound may be of a level 
that could cause permanent hearing 
loss. Damage to speakers or other 
system components may result.
 CAUTION
Place in a well ventilated location
The unit and the AC adaptor should 
be located so their location or 
position does not interfere with 
their proper ventilation.
Use only the specied stand (s)
This unit is designed to be used in 
combination with specic stands 
(MDS series) manufactured by 
Roland. If used in combination with 
other stands, you risk sustaining 
injuries as the result of this product 
dropping down or toppling over 
due to a lack of stability.
Evaluate safety issues before using stands
Even if you observe the cautions 
given in the owner’s manual, 
certain types of handling may allow 
this product to fall from the stand, 
or cause the stand to overturn. 
Please be mindful of any safety 
issues before using this product.
Grasp the plug when connecting or disconnecting 
the AC adaptor
Always grasp only the plug on the 
AC adaptor cord when plugging 
into, or unplugging from, an outlet 
or this unit.
Periodically clean the AC adaptor’s plug
At regular intervals, you should 
unplug the AC adaptor and clean 
it by using a dry cloth to wipe all 
dust and other accumulations away 
from its prongs. Also, disconnect 
the power plug from the power 
outlet whenever the unit is to 
remain unused for an extended 
period of time. Any accumulation of 
dust between the power plug and 
the power outlet can result in poor 
insulation and lead to re.
Manage cables for safety
Try to prevent cords and cables 
from becoming entangled. Also, all 
cords and cables should be placed 
so they are out of the reach of 
children.
Avoid climbing on top of the unit, or placing 
heavy objects on it
Never climb on top of, nor place 
heavy objects on the unit.
 CAUTION
Do not connect or disconnect the AC adaptor with 
wet hands
Never handle the AC adaptor or 
its plugs with wet hands when 
plugging into, or unplugging from, 
an outlet or this unit.
Disconnect everything before moving the unit
Before moving the unit, disconnect 
the AC adaptor and all cords 
coming from external devices.
Unplug the AC adaptor from the outlet before 
cleaning
Before cleaning the unit, turn it o 
and unplug the AC adaptor from 
the outlet (p. 10).
If there is a possibility of lightning strike, 
disconnect the AC adaptor from the outlet
Whenever you suspect the 
possibility of lightning in your area, 
disconnect the AC adaptor from 
the outlet.
Keep small items out of the reach of children
To prevent accidental ingestion 
of the parts listed below, always 
keep them out of the reach of small 
children.
•  Included Parts 
Wing bolts (p. 9)
•  Removable Parts 
Cap of the special connection 
cable