Appendix A. AT Commands and S-RegistersA-2 Express 3010/3110 User Manual 61200239L1-20Using an AT CommandType AT followed by the letter of the command and numeric value ofthe setting desired and then press Enter. The following command re-turns the software version of the unit:ATI1Using S-RegistersThe configuration of the Express can be changed or reviewed with S-registers. See the section S-Register List on page A-9 for a descriptionof each S-register and its corresponding range of values.Reading an S-RegisterType ATS followed by the number of the S-register to be read fol-lowed by a question mark and press Enter.ATS0?Reading an S-Register StringThe Express uses S-register strings to store strings of digits for storedphone numbers, SPIDs, etc. Type ATSS, followed by the number of thestring S-register to be read, followed by a question mark, and press En-ter.ATSS80?Changing an S-RegisterType ATS, followed by the number of the S-register to be changed, fol-lowed by an equal sign, followed by the numeric value to be assignedto the register, and press Enter.ATS0=2
