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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
• If desired, you can assign the same user- defined label to multiple
• You can specify a label with up to 18 characters. You can use letters
• From the Web Interface, a limited number of characters can be
• The instrument keeps a record of what module types are installed in
• All user- defined channel labels are stored in non- volatile memory,
34980A User's Guide
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.).
channels within the same module or on different modules (i.e., channel
labels are not required to be unique).
(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).
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).
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.
and do not change when power has been off, after a Factory Reset
(
command), after an Instrument Preset (
*RST
command), or after a stored state is recalled (
Features and Functions
SYSTem:PRESet
command).
*RCL
2
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