Owner's manual - Roland

Turning the Power On/Offfig.Battery-2.eps2. Making sure that each battery is oriented in the correct polarity (+/–), insert the batteries into thebattery compartment.3. Securely close the battery compartment lid.Battery remaining indicationfig.battery-3_e.epsWhen the batteries run low, the BATTERY indicator will light.If you continue use, the BATTERY indicator will blink. Please stop using the unit, and replace the batteries.FullchargeLightoutLightreplaceBlink* If you continue playing even when the indicator is blinking, the display will indicate “Battery Low!” and furtheroperation will be impossible.* The indication shown by the battery indicator is an approximation.Using Bus PowerIf the SD-50 is connected to your computer, it can operate using power supplied from your computer via the USBcable.You must install the driver if you want to connect the SD-50 to your computer (p. 23).* With some computers, the SD-50 might not operate using bus power.If so, please use the included AC adaptor.* When using the SD-50 on bus power, you won’t be able to use phantom power with the MIC IN connector.21