HP 1650B Programming Reference Manual page 61

Command Syntax:
Example:
HP 1650B/HP 16518
Programming Reference
(Clear Status)
The *CIS common command clears the status data structures, including
the device defined error queue. If the *CLS command immediately
follows a -z terminator > , the output queue and the MAV (Message
Available) bit will be cleared.
l
CLS
OUTPUT
o ppendix B for a complete discussion of status.
command
Common Commands
5-3