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When the portable luminaire has a flexible or articulated arm, the arm is to be bent before the
. w6 I; x5 ?0 G: {$ V3 Glamp is placed on the inclined plane, starting at the lower end of the arm, to form a quarter circle that a
. _" v4 y& _( u) Lline joining the ends of the arm make an angle of 45 degrees with the horizontal. When a flexible or
+ y" X# q! @8 _articulated arm is off-center with respect to the base, the arm is to be bent in the direction that results in6 W2 Z" H) C! l3 D" o. ?
tip over. When the unit has more than one flexible or articulated arm, one of the arms is to be adjusted* m2 O8 c& [% B K
as for a unit having a single arm, and the other arm or arms are to be extended vertically.
5 I$ @6 W$ E0 i2 x2 A
& R Q6 K; \9 I8 B* ~3 D英文不好,如图示灯怎么操作呢
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