Edirol R-4Pro - Manual (Page 27)

27
Getting ready to use the R-4 Pro
■ Caution when using battery power on the R-4 Pro
• If you operate on battery power for an extended time, the batteries will become hot. Be careful not to
burn yourself.
• Please use alkaline batteries, which have a longer life.
• Do not mix new batteries with used batteries nor mix batteries of differing types.
• If you will not be using the R-4 Pro for an extended time, we recommend that you remove the batteries
to prevent leakage or other accidents.
• When using a USB cable to connect the R-4 Pro to your computer, use the AC adapter to prevent the
loss of power while the connection is active.
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