Model 7002Switch System Instruction Manual - Advanced Test ...

IEEE-488 Reference5.10.8 *OPT? ⎯ option identification queryPurposeTo read the identification code of optional switch cards installed in the Model 7002.Format*OPT?DescriptionThe *OPT? query command places the option identification code in the Output Queue. Whenthe Model 7002 is addressed to talk, the code is sent from the Output Queue to the computer.The option identification code indicates the assigned model number for each slot of the mainframe.For example, if a Model 7011 and 7012 are installed in slots 1 and 3 respectively, and theother slots are empty, the following message will be sent to the computer:7011, NONE, 7012, NONE, NONE, NONE, NONE, NONE, NONE, NONEProgrammingexample10 DIM A$[50]20 OUTPUT 707; “*OPT?” ! Request option ID code30 ENTER 707; A$ ! Address 7002 to talk40 PRINT A$ ! Display option ID code5-54