Device response 
The instrument responds with a variable length string, depending on how many measured gasses have 
been assigned an ID above 0. The text between the [ ] will be repeated once for each reported gas. 
<STX>{MD}{cc}[<SP><kkk><SP><+nnnn+ee><SP><ss><SP><ff><SP><mmm><SP>eeeeee<SP>]<ETC>< 
bcc1><bcc2> 
Where: 
<SP>  Space (0x20 hex). 
cc  The number of gasses reported (0..5). The text in between the [ ] will be 
repeated once for each gas reported. 
kkk  The Bayern-Hessen instrument ID. 
+nnnn+ee  Gas concentration. 
ss  Status byte (see table below for individual bits). 
ff  Failure byte (see table below for individual bits). 
mmm  Gas ID. 
eeeeee  Ecotech instrument ID. 
bcc1  First byte of the block check calculation. 
bcc2  Second byte of the block check calculation. 
 
Table 36 – Status Bit Map