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When the portable luminaire has a flexible or articulated arm, the arm is to be bent before the% g, I( g% n! f
lamp is placed on the inclined plane, starting at the lower end of the arm, to form a quarter circle that a
8 R7 j/ y" G; O: y6 @line joining the ends of the arm make an angle of 45 degrees with the horizontal. When a flexible or! ~! {" j% C1 B9 l& `
articulated arm is off-center with respect to the base, the arm is to be bent in the direction that results in
7 ]" o% Z( w! J- b7 E# X9 Otip over. When the unit has more than one flexible or articulated arm, one of the arms is to be adjusted5 i$ }, k* l% ?, ?, y
as for a unit having a single arm, and the other arm or arms are to be extended vertically.
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英文不好,如图示灯怎么操作呢
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