System-Related Operations - Agilent Technologies 34901A User Manual

Chapter 4 Features and Functions

System-Related Operations

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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