Queries the contents of the error/event queue. The error/event queue may contain one or more messages with an error or event description. See Error Messages .
Manual users may view the message log from the SYSTEM CONFIG screen. See Error Message Log . The contents of the error/event queue and the message log may not match. For example, manual user errors (see Manual User Error Messages ) are not returned with SYSTem:ERRor? query command. They are viewed from the message log.