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*20 12-D8AB PDP-12 RELAY REGISTER TEST 3 PART PROG RELAY FLIP FLOP REG TEST A. 8 MODE B. IF=0 DF=0 C. IO PRESET RSW TO RELAY TST A. L MODE B. IO PRESET C. LSW=1000 D. ST LS E. RSW=0011 F. ALTER RSW6-11 DATA SHOULD AP-PEAR IN BOTH RELAY REG LAMPS AND AC G. RSW0-5 APPEAR BUT NO EFFECT RELAY TST A. L MODE B. IO PRESET C. LSW=1003 D. ST LS