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When the portable luminaire has a flexible or articulated arm, the arm is to be bent before the' P$ m' N" Z$ {, E
lamp is placed on the inclined plane, starting at the lower end of the arm, to form a quarter circle that a
: o8 p! G( ]0 T1 s) b/ j) f7 Rline joining the ends of the arm make an angle of 45 degrees with the horizontal. When a flexible or
6 A; h; `, ~. i0 e* O6 u. Q2 {articulated arm is off-center with respect to the base, the arm is to be bent in the direction that results in
" C" v" `; d" }. a( X6 E; u4 }/ N, itip over. When the unit has more than one flexible or articulated arm, one of the arms is to be adjusted3 `. C5 O% V$ }2 Z
as for a unit having a single arm, and the other arm or arms are to be extended vertically.2 x0 C+ b! A. R% g5 \
S( c6 [; K& v$ G5 c% R英文不好,如图示灯怎么操作呢
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