D T 5 0 - M C O M M A N D R E F E R E N C E G U I D E 1 . 1 P a g e 4 | 38
Contents
Revision History.......................................................................................................................................3
1 Introduction .........................................................................................................................................7
2 Data Mode and AT Mode......................................................................................................................7
3 Default Serial Settings...........................................................................................................................7
4 AT Commands Over Bluetooth..............................................................................................................7
5 Syntax ..................................................................................................................................................8
5.1 Command Line Format..............................................................................................................8
5.2 Data Types..................................................................................................................................9
5.2.1 String ......................................................................................................................................9
5.2.2 Integer....................................................................................................................................9
5.2.3 Enumerator.............................................................................................................................9
5.2.4 Bd_Addr..................................................................................................................................9
5.2.5 Byte Array...............................................................................................................................9
6 AT Commands Reference.................................................................................................................... 10
6.1 General AT Commands...........................................................................................................10
6.1.1 Attention AT .........................................................................................................................10
6.1.2 Store current configuration &W ............................................................................................10
6.1.3 Set to default configuration Z................................................................................................10
6.1.4 Set to factory defined configuration +UFACTORY .................................................................. 11
6.1.5 Circuit 108/2 (DTR) behavior &D ........................................................................................... 11
6.1.6 DSR Override &S ...................................................................................................................11
6.1.7 Echo On/Off E .......................................................................................................................12
6.1.8 Escape character S2 .............................................................................................................. 12
6.1.9 Command line termination character S3 ...............................................................................13
6.1.10 Response formatting character S4.......................................................................................14
6.1.11 Backspace character S5 .......................................................................................................14
6.1.12 Module switch off +CPWROFF............................................................................................. 14
6.1.13 Module start mode +UMSM................................................................................................15
6.1.14 Local address +UMLA ..........................................................................................................15
6.1.15 System status +UMSTAT...................................................................................................... 16
6.1.16 RS232 Settings +UMRS ........................................................................................................16
7 Data Mode.................................................................................................................................... 17
