Yamaha DD-20S Owner's Manual - Page 7

Setting Up Percussion Pads Striking two percussion pads at the same time produces simultaneous sounds according to the voices assigned to the respective pads. Sensitivity The DD-20's main percussion pads feature touch sensors so that they respond just like acoustic percussion instruments. Striking the percussion pads with different force results in relatively loud or soft sounds accordingly. Be careful not to strike the pads with excessive force as this may seriously damage the percussion pad sensors. Headphones You can use a standard pair of stereo headphones, such as Yamaha's HPE-3 or HPE150, with the DD-20 for private practice. To connect headphones insert the headphone plug into the HEADPHONES/AUX. OUT jack. The DD-20's internal speakers will switch off automatically when you plug in a pair of headphones. Supplying Power The DD-20 will operate on either an optional power adaptor or optional batteries. M To connect a power adaptor: 1. Connect only the Yamaha PA-3B or PA3C power adaptor to the DC IN jack of the DD-20. 2. Plug the power adaptor into an AC power outlet. +_ HEADPHONES/ DC IN 10-12V AUX. OUT WARNING +_ DC IN 10-12V Use ONLY the Yamaha PA-3B, PA-3C AC Power Adaptor (or other adaptor specifically recommended by Yamaha) to power your instrument from the AC mains. The use of other adaptors may result in irreparable damage to both the adaptor and the DD-20. CAUTION Unplug the AC Power Adaptor when not using the DD20, or during electrical storms. M To insert batteries: 1. Remove the battery compartment OPEN cover located on the bottom of the DD-20. 2. Insert six (6) 1.5 V "AA" (R-6, SUM-3) or equivalent batteries into the battery compartment. Make sure the polarities are lined up as indicated in the battery compartment. 3. Replace the battery compartment cover securely. CAUTION Never mix old and new batteries or different types of batteries (e.g., alkaline and manganese). To prevent possible damage from battery leakage, remove the batteries from the instrument if it is not to be used for a long time. ❏ When the batteries are low, replace with a complete set of six new batteries. Never mix old and new batteries or different types of batteries. The batteries are low when the DD-20's voices become noticeably distorted or the DD-20 resets to default settings unexpectedly. 7