Teledyne 6712SR - Manual (Page 132)

6712SR Refrigerated Sampler
Section 5 Extended Programming
5-44
8 = PUMP LATCH OPEN.
9 = SAMPLER SHUT OFF (while sampling).
11 = NO DISTRIBUTOR.
12 = SAMPLE IN PROGRESS.
CS,xxxx is the byte-by-byte sum of the entire string “MO,...,CS,”
For commands that are not understood (INVALID COMMAND
or CHECKSUM MISMATCH) or when no samples have been
taken, the most recent bottle information is left off the response
string.