Keysight Technologies 3458A Guide D'utilisation page 116

3 Configuring for Measurements
Using State Memory
You can store the multimeter's present configuration (measurement function.
range, resolution, integration time, etc.) as a particular state in state memory.
Subprograms, readings, and the contents of some math registers (see the SSTATE
command in
event of a power loss, the multimeter stores its present configuration in state 0, if
you store a state in location 0, it will be overwritten with the present configuration
when power is removed. The multimeter has 14k-bytes of memory which are used
for both states and subprograms. Each state occupies about 300 bytes. If no
subprograms are in memory, the multimeter can store a maximum of 46 states.
When subprogram/state memory becomes full, the multimeter generates the
Memory Error (bit 7 in the error register).
Storing states
The SSTATE command stores the multimeter's present state with an identifying
name. A state name may contain up to 10 characters. The name can be all alpha
characters or a combination of alpha and numeric characters (the characters ?
and _ can also be included in the name). You can also use an integer in the range
of 0 to 127 as the name (this is primarily for front panel operation). When using an
alphanumeric name, the first character must be alpha. Alpha or alphanumeric
state names must not be the same as multimeter commands or parameters or the
name of a stored subprogram. When using an integer state name, the multimeter
assigns the prefix STATE to the integer when the state is stored. This differentiates
an integer state name from an integer subprogram name. For example, a state
stored with the name 8 will be recorded as STATE8. The state can be recalled later
using either the name 8 or STATE8.
All states are stored in continuous memory (remain intact when power is
removed). The multimeter compiles the state as it is stored. This means that when
the state is recalled, the multimeter configures itself much faster than could be
done by executing the individual commands that were used to create the state. To
store the present multimeter state as a state named ACST1, send:
OUTPUT 722; "SSTATE ACST1"
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Chapter 6 for details) are not included as part of a stored state. In the
Keysight 3458A User's Guide