Roland Classic Keyboard C-230 用户手册

 

The indicator will light when you plug the AC 
adaptor into an AC outlet.

Place the AC adaptor so the side with the indicator 
(see illustration) faces upwards and the side with 
textual information faces downwards. 

 

• Depending on the region, the included power cord may differ from the one shown.

• To prevent the inadvertent disruption of power to your unit (should the plug be 

pulled out accidentally), and to avoid applying undue stress to the AC adaptor 
jack, anchor the power cord using the cord hook shown in the illustration.

• If you won’t be using the C-230 for an extended period of time, disconnect the 

power cord from the electrical outlet.

 

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Depending on the circumstances of a particular setup, you may experience a discomforting sensa-
tion, or perceive that the surface feels gritty to the touch when you touch this device, microphones 
connected to it, or the metal portions of other objects, such as guitars. This is due to an infinitesimal 
electrical charge, which is absolutely harmless. However, if you are concerned about this, connect 
the ground terminal (see figure) with an external ground. When the unit is grounded, a slight hum 
may occur, depending on the particulars of your installation. If you are unsure of the connection method, contact the nearest 
Roland Service Center, or an authorized Roland distributor, as listed on the “Information” page.

Unsuitable places for connection

• Water pipes (may result in shock or electrocution)

• Gas pipes (may result in fire or explosion)

• Telephone-line ground or lightning rod (may be dangerous in the event of lightning)

Cord hook

Ground 
terminal

 

C-230_e.book  Page 13  Tuesday, May 19, 2009  10:22 AM