Bio-Rad ChromLab™ Software - Manual (Page 50)

3 | System Control
48 | NGC Chromatography Systems and ChromLab Software
The fluidic scheme displays the number of a valve’s active port in bright green. A
grey number on a valve indicates that it is not in use. The NGC instrument supports
up to four inlet valves (two buffer inlet and two sample inlet valves), three
column-switching valves, and two outlet valves. Pausing on a valve displays a
tooltip indicating its type.
Tip: If the system includes two sample inlet valves, the fluidic scheme
identifies the first sample inlet valve as S1 and displays it as the lower of the
two. The second is identified as S2. If the system includes multiple column
switching valves or outlet valves, the valves are identified numerically in
ascending order.