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. . . . . . . . . . . .2 Information for these operating instructions . . . . . . . . . . . . . . . . . . . .2 Copyright . . . . . . . . . . . . . . . . . . . . .2 Proper use. . . . . . . . . . . . . . . . . . . . .2 Warnings . . . . . . . . . . . . . . . . . . . . .3 Safety . . . . . . . . . . . . . . . . . . .4 Basic Safety Instructions . . . . . . . . . .4 Danger from electric shock . . . . . . . . 5 Danger of hearing damage . . . . . . .5 Interaction with batteries . . . . . . . . . 6 Genera