Comma Separators
The meter can display readings on the front panel with or without a
comma separator. This feature is available only from the front panel. See
“Menu Example 1” on page 35.
08.241,53 V 08.24153 V
With comma separator Without comma separator
(factory setting)
• The display format is stored in non-volatile memory, and does not
change when power has been off or after a remote interface reset. The
comma separator is enabled when the meter is shipped from the
factory.
• Front-panel operation: change the state of the comma display under
the 9: COMMA command in the SYStem menu.
Firmware Revision Query
The meter has three microprocessors for control of various internal
systems. You can query the meter to determine which revision of
firmware is installed for each microprocessor.
• The meter returns three numbers. The first number is the firmware
revision number for the measurement processor; the second is for the
input/output processor; and the third is for the front-panel processor.
• Front-panel operation: read the revisions under the 11: REVISION
command in the SYStem menu.
X.X-X.X-X.X
• Remote operation: use the following command to read the revision:
*IDN? returns “HEWLETT-PACKARD,34420A,0,X.X-X.X-X.X”
Be sure to dimension a string variable with at least 40 characters.
3
Chapter 3 Features and Functions
System-Related Operations
95
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