GW Instek AFG-3000 Series - Manual (Page 201)

REMOTE INTERFACE
201
Example *ESE?
4
Bit 2 is set.
*ESR? System Command
Description Reads and clears the Standard Event Status
Register. The bit weight of the standard event
status register is returned.
Note The *CLS will also clear the standard event status
register.
Query Syntax *ESR?
Return Parameter Bit Register Bit Register
0 Operation
Complete
4 Execution Error
1 Not Used 5 Command Error
2 Query Error 6 Not Used
3 Device Error 7 Power On
Query Example *ESR?
5
Returns the bit weight of the standard event status
register (bit 0 and 2).
*STB? System Command
Description Reads the Status byte condition register.
Note Bit 6, the master summary bit, is not cleared.
Syntax *STB?