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5 M: b$ A g0 T# C) b* o% e
<The SIM has become disconnected 8 Z) u/ f# m) y- Q) Q9 fmastercam will be automatically shut* R. n" Y( `( ~* s' V; Y! X
you will get one chance to saveyour> 5 @! L; L: s8 J( v, i( K |- }然后就自动关闭. $ Q+ G8 H3 h' d3 N8 S* g那位大侠能帮帮我啊