Sigma LBA-700, LBA-710, LBA-714PC, LBA-300, LBA-712, LBA-708, LBA-400 Bit 5 Event Status bit, ESB, set

Command	Meaning	Usage
		bit 5 - Event Status bit, ESB, set
		whenever an unmasked event status
		condition exists (ESR & ESE).
		bit 4 - Message Available bit, MAV, set
		when a response to a query is available in
		the output queue.
		bit 3	- Error Message Available bit, EMAV,
		set when an error message has been
		posted to the error message queue (see
		:ERR).
		bit 2	- LBA-PC Event Status bit, LSB, set
		whenever an unmasked LBA-PC event
		status condition exists (ELR & ELE).
		bit 1	- unused
		bit 0	- unused

All other IEEE 488.2 common commands are not recognized by the LBA-PC and will return a Command Error.

Operator’s Manual 214 LBA-PC