E-12 273A-E-014APower SupplyYour Digital Drum can run under battery power or under power suppliedby an optional AC adaptor. Using BatteriesAlways make sure you turn off the Digital Drum before loading or replacingbatteries.To load batteries1. Carefully turn over the Digital Drum, and remove the battery compart-ment cover.2. Load six C-size (LR14) batteries into the battery compartment.• Make sure that the positive (+) and negative (–) ends of the batteries arefacing correctly.3. Insert the tabs of the battery compartment cover into the holes providedand close the cover.• The Digital Drum may not function correctly if you load or replacebatteries with power turned on. If this happens, turning the DigitalDrum off and then back on again should return functions back to normal.Important Battery Information The following shows the approximate battery life provided by differentbattery types.• Standard battery life: Approximately 5 hours (LR14)The above value is standard battery life at normal temperature, with thedigital drum volume at a medium setting. Temperature extremes orplaying at very loud volume settings can shorten battery life. Any of the following symptoms indicate low battery power. Replacebatteries as soon as possible whenever any of the following occurs.• Instrument does not turn on• Dim, difficult to read display• Abnormally low speaker/headphone volume• Distortion of sound output• Occasional interruption of sound when playing at high volume• Sudden power failure when playing at high volume• Dimming of the display when playing at high volume• Abnormal rhythm pattern and demo tune play• Dimming of digital drum lights when notes soundCaution!Improper handling of batteries can cause them to burst and leak, whichcreates the danger of personal injury or damage due to contact with batteryacid. Be sure to note the following important precautions.• Always make sure that the positive (+) and negative (–) poles are facingcorrectly as indicated inside the battery compartment.• To avoid damage caused by leaking batteries, be sure to remove batteriesfrom the Digital Drum whenever you leave it unattended for long periods(such as when leaving on a trip).• Never mix batteries of different types.• Never mix old batteries with new ones.• Never discard batteries by incinerating them, do not allow their poles to beshorted (connected to each other), never take batteries apart, and do notexpose batteries to direct heat.• Replace batteries as soon as possible after any sign they are getting weak.• Never attempt to recharge batteries.02.10.31, 14:18Page 12