100  REM
110  REM 12555B DIGITAL-TO-ANALOG CONVERTER 
120  REM LISTING: A-09601-18019-2 
130  REM ERS:     A-09601-18019-1 
140  REM SOURCE:    09601-18019 
150  REM
160  REM  M. SCHOENDORF 9/12/74 
170  REM
180  PRINT
190  PRINT "12555B DIGITAL-TO-ANALOG CONVERTER VERIFICATION"
200  PRINT
210  PRINT "CHECK DUAL 8 BIT D TO A CONVERTER"
220  PRINT
230  PRINT "CONNECT DC VOLTMETER TO PIN 2 (HIGH) AND PIN" 
240  PRINT "7 (LOW) ON THE 12555B CARD (CHANNEL 1)."
250  PRINT "SET VOLTAGE RANGE ON THE DC VOLTMETER TO 10 VOLTS"
260  PRINT
270  PRINT "TYPE GO TO CONTINUE"
280  PAUSE
290  PRINT "VERIFY THAT VOLTAGE ON CHANNEL 1 OF D TO A CARD"
300  PRINT "INCREASES APPROXIMATELY .04 VOLTS EVERY 1 SECOND."
310  DIM X[32],Y[32]
320  GOSUB 1000 
330  PRINT
340  PRINT "CONNECT DC VOLTMETER TO PIN 23 (HIGH) AND PIN"
350  PRINT "7 (LOW) ON THE 12555B CARD (CHANNEL 2)."
360  PRINT
370  PRINT "TYPE GO TO CONTINUE"
380  PAUSE
390  GOSUB 1000 
400  GOTO 1070
1000  FOR I=1 TO 32 
1010  LET X[I]=I
1020  LET Y[I]=I
1030  GRAPH(1,X[I],Y[I])
1040  WAIT 1000 
1050  NEXT I
1060  RETURN
1070  END 
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