mmm = no instrument ID
+pppp+ee = NOx gas concentration (unless the NO
2
option was selected in the Serial
Communications Menu, in which case it is NO
2
)
bcc1 = first byte of the block check calculation
bcc2 = second byte of the block check calculation
ST
Set the instrument mode.
Format:
<STX>{ST}{< kkk>}<SP>{command}<ETC><bcc1><bcc2>
Where:
kkk = device’s multi-drop ID
command = M, N or K for Measure, Zero, or Span mode
bcc1 = first byte of the block check calculation
bcc2 = second byte of the block check calculation