4
Remote Operations Using the IEEE 488 Interface
Syntax Diagrams of Major 8508A Functions
PKPK?
Obtains the stored value representing the difference between the maximum and minimum
signal values to be measured since the most-recent general reset, store reset or function
change.
Response Format
(Nr3) Max or Min:
The returned value represents the signal with two exceptions:
• When an overload has occurred, and thus the maximum is not measurable, the
response is +200.000000E+33.
• When no measurement has been made since a reset, the response is -
20.0000000E+36.
(Nr3) PkPk:
The returned value represents the difference between the max and min signals with
two exceptions:
• When an overload occurs in one or both stores, the computation is still performed
and thus the response indicates a numeric difference which has an obviously
overlarge exponent.
• When no measurement has been made since a reset, the response is -
40.00000000E+36.
Function Change, Power On and Reset:
These automatically clear Max, Min, and thus PkPk values.
Reset Max and Min Memories
CLR MAX
MIN
phs
PKPK
adj222f.eps
Reset Max and Min Memories
MAX / MIN
Resets the specified store only.
PKPK
Resets both the MAX and MIN stores.
Function Change, Power On and Reset:
These automatically clear Max, Min, and thus PkPk values.
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