4 Features and Functions
170 Keysight 34970A/34972A User’s Guide
System-Related Operations
This section gives information on system-related topics such as storing
instrument states, reading errors, running a self-test, displaying messages on the
front panel, setting the system clock, disabling the internal DMM, reading the
firmware revisions, and reading the relay cycle count.
State storage
The instrument has six storage locations in non-volatile memory to store
instrument states. The locations are numbered 0 through 5. The instrument uses
location “0” to automatically hold the state of the instrument at power down. You
can also assign a name to each of the locations (1 through 5) for use from the
front panel.
– You can store the instrument state in any of the six locations. However, you
can only recall a state from a location that contains a previously stored state.
You can use location “0” to store a sixth instrument state. However, keep in
mind that location “0” is automatically overwritten when power is cycled.
– The instrument stores the state of all modules including all channel
configurations, scanning setups, alarm values, and scaling values.
– When shipped from the factory, storage locations “1” through “5” are empty
(location “0” has the power-on state).
– When shipped from the factory, the instrument is configured to automatically
recall the power-down state (state “0”) when power is restored. You can
change the factory configuration such that a Factory Reset (*RST command) is
issued when power is restored.
– Before recalling a stored state, the instrument verifies that the same module
types are installed in each slot. If a different module type is installed, the
instrument will perform the equivalent of a Card Reset (SYSTem:CPON
command) on that slot.
– You can assign a name to the storage locations (you cannot assign a name to
location “0”). You can name a location from the front panel or over the remote
interface but you can only recall a named state from the front panel. From the
remote interface, you can only recall a stored state using a number (0 through
5).
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