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IEEE-488 Reference
*OPT? option identification query
5.10.8
Purpose
Format
Description
Programming
example
5-50
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To read the identification code of optional switch cards installed in the Model 7001.
*OPT?
The *OPT? query command places the option identification code in the Output Queue. When
the Model 7001 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 main-
frame. For example, if a Model 7011 is installed in slot 1 and slots 2 is empty, the following
message will be sent to the computer:
7011, NONE
10
DIM A$[50]
20
OUTPUT 707; "*OPT?"
30
ENTER 707; A$
40
PRINT A$
! Request option ID code
! Address 7001 to talk
! Display option ID code
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