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The A3 command displays trace A and stops the sweep. Thus, trace A is not updated.
When A3 is executed, the contents of trace are stored in display memory addresses 1 through 1001. A3 writes
instruction word 1040' into address PI. Therefore, any information stored in memory address 0 is always lost
whenever A3 is executed.
If you have used address PI for a graphics program or label, you may wish to save its contents before executing
A3.
For additional information, refer to Appendix A. The functions of the A3 command and front panel [ key are
identical. (See B3, VIEW, and TBSTAT)
1040 is a machine instruction word that causes the analyzer to set addresses 1 through 1023 to zero, and draws trace A.
l
A3
View A
d
37
Programming
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