Series 2280 Precision DC Power Supply Reference Manual Section 2: General operation
077085503 / March 2019 2-7
If a service request has been generated, SRQ is displayed to the right of the up and down arrows. You
can configure the instrument to generate a service request (SRQ) when one or more errors or
conditions occur. This indicator stays on until the serial poll byte is read or all the conditions that
caused SRQ are cleared.
Level trigger enabled indicator
When a voltage level trigger or current level trigger is enabled, a solid white square indicator is visible
to the left of the Buffer indicator.
Figure 6: Level trigger enabled indicator
When a level trigger is enabled, data is logged to the buffer when the triggering condition is met.
Buffer indicator
The bar next to Buffer indicates how full the buffer is.
Less than one-quarter full
Less than half full, more than one-quarter full
Less than three-quarter full, more than half full
More than three-quarter full
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