| 摘要 |
A character printer is designed to initiate the routine of test mode processing when the printer is turned on, with its TEST key being kept pressed. The routine initially sets 0 to the argument N, which represents the test mode number, and the program proceeds to Test Mode Display subroutine. The operator presses the down key, up key or SET key to select an intended test mode among multiple test modes, and the test program of the selected test mode is executed by a Test Program Execution subroutine.
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