Advantech LNC M5800 Series Operation Manual page 189

Milling Machine Series
Control panel operations
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5. MST (MST ignore)
This is the switch for controlling M, S, T commands to be ignored. The MST ignore will be activated by pressing this key,
and it will be turned off by pressing this key again.
The M, S, T commands in the program will be ignored and not executed.
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5.
6. MLK (machine lock)
This is the switch for controlling machine lock, which will be activated by pressing this key, and it will be turned off by
pressing this key again.
During program execution, the controller will continue with program execution, but the servo axis will stop issuing
movement commands; so the servo axis is actually stopped.
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6.
7. ORI (spindle orientation)
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