| 摘要 |
PURPOSE:To evade a device from going into a stop condition, and simultaneously, to decrease the load of a user by providing a means to read in a program to be set beforehand when a designation from an operator is not executed for a definite time related to the read-in of a computer control program from an external storage device. CONSTITUTION:A read-in mechanism 13 transfers the computer control program from an external storage device 12 to an internal storage device 11 and reads the computer control program in the internal storage device 11. A timer 14 is used by the read-in mechanism 13 and measures a passing time between two time points indicated by the read-in mechanism 13. When the designation by the operator is actually executed at a time to designate the computer control program to be read in by the operator, it is made effective, but when no designation is executed and a definite time to be set beforehand passes, the fact that the computer control program to be set beforehand is designated is considered. Thus, the device can be evaded from going into the stop condition, and simultaneously, the load of the user can be decreased.
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