Remote Programming Reference
81150A and 81160A User’s Guide 577
What is an Enable
Register?
An enable register defines which bits in the event register will be reported
to the Status Byte register group. You can write to or read from an enable
register. A *CLS (clear status) command will not clear the enable register
but it does clear all bits in the event register. A STAT:PRES command
clears all bits in the enable register. To enable bits in the enable register to
be reported to the Status Byte register, you must write a decimal value
which corresponds to the binary weighted sum of the corresponding bits.
What are
Transition Filters?
Transition Filters are used to detect changes of the state in the condition
register and set the corresponding bit in the event register. You can set
transition filter bits to detect positive transitions (PTR), negative transitions
(NTR) or both. Transition filters are read/write registers. They are not
affected by *CLS.
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