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When the portable luminaire has a flexible or articulated arm, the arm is to be bent before the! d: ~( w4 Z* B1 L/ {2 B! B
lamp is placed on the inclined plane, starting at the lower end of the arm, to form a quarter circle that a3 ~( E. K: B u: B6 Y
line joining the ends of the arm make an angle of 45 degrees with the horizontal. When a flexible or, h' O5 S0 R+ T9 S8 ~$ u
articulated arm is off-center with respect to the base, the arm is to be bent in the direction that results in
$ N7 e `: q5 vtip over. When the unit has more than one flexible or articulated arm, one of the arms is to be adjusted
' ]2 n# A+ O# W. }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3 A/ @; @: Y: i; B1 h/ Y1 `, M. `6 x7 z
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