2 Getting Started
44 Keysight 34980A Mainframe User’s Guide
Annunciator Display Indicators
Display Indicator Definition
LAN Lit when communicating with the 34980A over LAN.
USB Lit when communicating with the 34980A over USB.
GPIB Lit when communicating with the 34980A over GPIB.
ABUS [1234] Indicates Analog Bus (ABus) connectivity. Normally, this shows the designated ABus connected on
any module in the mainframe. During a scan, if ABus 1 and ABus 2 are both indicated, they will be
used at some point during that scan.
When lit, an error has been generated and is in the error queue.
Rmt Indicates Remote mode is in use. Running a program puts the display into “remote” mode and
disables the front panel keys. Pressing the LOCAL button takes you out of “remote” mode and
enables the front panel keys.
Safety Interlock Indicates an ABus Safety Interlock. When lit, at least one terminal block or cable has been removed
from the D-sub connector of a module. For more information, see page 131 and the User’s Guides for
the appropriate Multiplexer Modules.
Trig Lit when the 34980A is waiting for an external or manual trigger during scans.
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