Firmware Revision Query The instrument has three microprocess ors for control of various internal
systems. Each plug-in module also has its own on-board microprocessor.
You can query the instrument and each module to determine which
revision of firmware is installed for each microprocessor.
•The instrument returns three revision numbers. The first number
is the firmware revision number for the measurement processo r;
the second is the input/output processor; and the third is the
front-panel display processor. For each plug-in module, the
instrument returns one revision number for the on-board proc essor.
•Front-Panel Operation:
REV X.X-Y.Y-Z.Z
Turn the knob to read the firmware revision number for the module
installed in each of the three slots. If a slot does not contain a module,
EMPTY SLOT is displayed.
•Remote Interface Operation: Use the following command to read the
system firmware revision numbers (be sure to dimension a string
variable with at least 40 characters).
*IDN?
The above command returns a string in the form:
HEWLETT-PACKARD,34970A,0,X.X-Y.Y-Z.Z
Use the following command to read the firmware revision number of
the module in the specified slot (be sure to dimension a string
variable with at least 30 characters).
SYSTem:CTYPe? {100|200|300}
This command returns a string in the fo rm:
HEWLETT-PACKARD,34901A,0,X.X
Chapter 4 Features and Functions
System-Related Operations
146