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When the portable luminaire has a flexible or articulated arm, the arm is to be bent before the3 _5 J) Y+ l! i
lamp is placed on the inclined plane, starting at the lower end of the arm, to form a quarter circle that a
, Y- n; O' V! O6 j2 O) h" |line joining the ends of the arm make an angle of 45 degrees with the horizontal. When a flexible or/ F; W; j! V5 {# S, U* Z# P
articulated arm is off-center with respect to the base, the arm is to be bent in the direction that results in* N' F/ s3 W# q$ _% g! c
tip over. When the unit has more than one flexible or articulated arm, one of the arms is to be adjusted
X! r( M* |; D$ Kas for a unit having a single arm, and the other arm or arms are to be extended vertically.- V6 I. y N! F5 Y3 K; E: q
# K4 r% z/ A" v R) u$ f/ y英文不好,如图示灯怎么操作呢
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