Status Listings
Overview
Overview
| This document describes the status listings of the HP 86140 series optical |
| spectrum analyzers. Status conditions for the optical spectrum analyzer are |
| grouped into categories. |
Error | Indicates the instrument is malfunctioning. Measurement accuracy is probably |
| affected. Errors can be caused by either a hardware or a firmware problem. |
| The instrument requires repair at a |
Status error | Indicates an internal hardware function is unavailable or not operating within |
| specifications. This is usually a temporary problem, such as a temperature |
| control loop being unsettled. Status errors cannot be cleared by the user. |
| When the condition causing the error is corrected the error will go away. |
Warning | A warning is displayed when the optical spectrum analyzer cannot satisfy a |
| request from the user. Parameter entries that are out of range, illegal or unrec- |
| ognized remote commands or missing hardware options can cause a warning |
| to be displayed. A warning can be displayed if a requested measurement, for |
| example AutoMeasure, cannot be performed due to a missing input signal. |
UNCAL | This message alerts the user the requested instrument setup can cause an |
| invalid measurement. For example, manually setting the sweep time to a value |
| that is too fast for other instrument settings. |
Notice | A user alert indicating something in the state of the instrument has changed. |
| For example, if the user specifies a particular value for the current duty cycle, |
| a notice will be displayed when the optical spectrum analyzer modifies the |
| pulse width . |