REMOTE OPERATION
Common Commands and Queries
10_15 LDC-3900 Series 59
CHAPTER 3
Bit Reference
*SRE?
The Service Request Enable query allows the user to determine the current
contents of the Service Request Enable Register. When this query is made, the
response is the binary integer value of the contents of the register (see Figure
3.11 on page 65). The syntax of the *SRE? query is:
*STB?
The Read Status Back query allows the programmer to read the status byte and
Master Summary Status bit. The response to this query is an integer value of the
contents of the Status Byte Register, where bit 6 represents the MSS (Master
Summary Status) bit and not the RQS message (see Figure 3.11 on page 65). The
syntax of the *STB? query is:
0- TEC Event Summary 4- Message Available
1- TEC Condition Summary 5- Event Status Summary
2- LASER Event Summary 6- Request Service/Master Status Summary
3- LASER Condition Summary 7- Error Message Available