GW Instek GDS-200 Series Programming Manual - Manual (Page 27)

COMMAND DETAILS
27
Syntax *STB?
Return Parameter 0~255
Bit Weight Bit# Weight Event Description
0
1 Not used
1 2 Not used
2 4 Not used
3 8 Not used
4 16 MAV Message Available Bit
5 32 ESB Event Status Bit
6 64 MSS Master Summary Bit
6 64 RQS Request Service Bit
7 128 Not used
Example *STB?
>16
Indicates that the MAV bit is set.