3 Features and Functions
132 Keysight 34980A Mainframe User’s Guide
User-Defined Channel Labels
You can assign user-defined labels to any channel, including Analog Bus channels
on the multiplexer and matrix modules. User-defined channel labels are available
for identification purposes only and cannot be used in place of a channel number
within a command string.
– When shipped from the factory, each channel is assigned a unique
factory-default label (cannot be overwritten). From the front panel,
the factory-default labels are shown on the upper line of the display (e.g.,
“MUX CH BANK 1”, “MATRIX1 ROW3 COL4”, “DIO BYTE 1”, etc.). From the
Web Interface, the factory-default labels are displayed as the channel number
(e.g., “1001”, “3020”, etc.).
– If desired, you can assign the same user-defined label to multiple channels
within the same module or on different modules (i.e., channel labels are not
required to be unique).
– You can specify a label with up to 18 characters. You can use letters (A-Z),
numbers (0-9), and the underscore character. If you specify a label with more
than the allowed 18 characters, it will be truncated (no error is generated).
– From the Web Interface, a limited number of characters can be displayed due
to space constraints in the browser window. If the user-defined label it too long
to be displayed properly, it will be truncated (no error is generated).
– The instrument keeps a record of what module types are installed in each slot.
If a different module type is detected in a specific slot at power on, all
user-defined channel labels for that slot are discarded. If an empty slot is
detected at power-on, any previously-defined labels for that slot are preserved
and will be restored if the same module type is installed later; however, if a
module of a different type is installed in that slot, the previously-defined labels
will be discarded.
– All user-defined channel labels are stored in non-volatile memory, and do not
change when power has been off, after a Factory Reset (*RST command), after
an Instrument Preset (SYSTem:PRESet command), or after a stored state is
recalled (*RCL command).
Front Panel Operation:
Channel (Configure) > CHANNEL LABEL
To define the channel label, press the arrow keys to move the cursor to a specific
position and then turn the knob to select the desired letter or number.
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