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本帖最后由 tf77587782 于 2015-12-2 16:51 编辑
2 H9 j/ ?! K+ |6 v- g类似的问题,用OFF表示了断开的位置,用数字表示了大小。和同事比较有争议的地方标准里加了下划线,因为用数字表示档位,所以断开的位置一定要用“0”?% d E4 N. E3 X; w- {
以下为IEC标准原话。
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% v0 C5 d. |3 {2 b: k: ~, [$ EThe different positions of switches on stationary appliances and the different positions
* W! B4 x* k6 U. gof controls on all appliances shall be indicated by figures, letters or other visual means. This
+ X* F2 Y. O o" V* Z6 H2 trequirement also applies to switches which are part of a control.
4 r% K! W9 ?1 UIf figures are used for indicating the different positions, the off position shall be indicated by/ F5 Q# E2 M7 q( K, H! U
the figure 0 and the position for a higher value, such as output, input, speed or cooling effect,, s5 A1 Y5 W' x7 n: R/ a! ?
shall be indicated by a higher figure.: ]: ` s8 d @3 u$ r6 @
The figure 0 shall not be used for any other indication unless it is positioned and associated( k+ r! N' H7 N6 m- X% y9 s% k; }/ @
with other numbers so that it does not give rise to confusion with the indication of the off9 _* p9 t# @' z! T
position.! m( U& @* B0 ]. z7 U
NOTE For example, figure 0 may be used on a digital programming keyboard. G. h! V) Z' M
Compliance is checked by inspection." r) e( M7 M" d7 Z! c5 t' E
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