Bio-Rad ChromLab™ Software - Manual (Page 46)

2 | The NGC Instrument
44 | NGC Chromatography Systems and ChromLab Software
Ports on the Buffer Blending Valve
Buffer Blending Valve LEDs
The buffer blending valve module is fitted with LEDs.
 A single green LED indicates the active inlet port is open.
 Multiple green LEDs indicate the buffer blending valve is cycling between
the inlet ports.
 A green LED indicates the active outlet port.
 Blinking green LEDs indicate the line to plumb using the Point-to-Plumb
feature.
Port Function
Q1–Q4 Buffer inlet ports
Outlet A Outlet to system pump A or to buffer inlet valve A
Outlet B Outlet to system pump B or to buffer inlet valve B