请问我在用MASTERCAM XMR2的时候开始是好的过二个小时以后就会出现如下图的报警信息 + h" X; t( Q6 p/ y<The SIM has become disconnected : p! n, h. Z: p V3 g. T
mastercam will be automatically shut 7 B' v9 E* @( z7 }& tyou will get one chance to saveyour> 7 s# F, I" {9 u9 x) x然后就自动关闭. , W- |3 v3 L7 P& a- j( q
那位大侠能帮帮我啊