Keysight E8402A, E8404A C-Size Mainframes User and Service Guide 109STATus Subsystem Programming the Enhanced MonitorSTATus:OPERation:CONDition?The STATus:OPERation:CONDition? query returns an integer representing thecontents of the condition register associated with the operation status group.The condition register continuously monitors the hardware and firmware statusof the instrument. There is no latching or buffering for this register; it is updatedin real time. Condition registers are read-only. The following table describes eachbit in the OPERation status group:Returned DataBit Description DecimalValue0 CALibrating. While a “1”, the instrument is calibrating. 11 Unused 22 Unused 43 Unused 84 Measuring. While a “1”, the instrument is measuring. 165 Unused 326 Unused 647 Unused 1288 Unused 2569 Mainframe power-down. While a “1”, the instrument is in the power-downstate (command execution is only available through the Enhanced Monitor’sRS-232 port with external +5V supply).51210 History Queue full. While a “1”, history queue is full and is accepting nomore events.102411 Front Panel Keys. Momentarily set to “1” when monitor detects any frontpanel key pressed. Use Event Register to monitor events.204812 Unused 409613 Reserved 819214 Reserved 1638415 Always Zero 32768Type Range Default Descriptionint16 0 - 32767 none Bit mask indicating which conditions are set (1) or cleared (0) inthe OPERation status group. Each condition has a decimalweighted value.