將對零軸轉至TEST
按下對刀平面至靜止，轉數(shù)指針會指示零位，轉動表圈使大指針對零位
使用時將對零軸轉至USE
將對刀器放在工件上，把磁性座的開關轉到“ON”，刀具慢速進給至對刀面，使大、小指針同時對零位，則刀具與工件的距離是50mm/2in。
Turn the button of stting-zero from “use” to “test”;
Press down, the small indicator will show “0”, keep your hand
and then adjust indicator to be zero at long-needle;
Turn the botton of setting-zero to “use” before use ;
Put on the work piece, cutter touch probe side,
when the long-needle and short-needle moving to “0” at the same time,
the distance of the cutter with work piece is 50mm/2in.