Agilent Technologies InfiniiVision 5000 Series

634 Agilent InfiniiVision 5000 Series Oscilloscopes Programmer's Guide
9 Status Reporting
Message Queue
The message queue contains the text of the last message written to the
advisory line on the screen of the oscilloscope. The length of the
oscilloscope's message queue is 1. Note that messages sent with the
:SYSTem:DSP command do not set the MSG status bit in the Status Byte
Register.