Hitachi CHROMASTER 5160 Instruction Manual page 245

APPENDIX 2. TERMINOLOGY
Degassing
Eliminates the air in a mobile phase and wash fluid.
e-line
Used for an analysis-specific digital network.
IFC
Interface control board to control the chromaster series
instrument by PC. One IFC for every one system is required.
Isocratic system
A single liquid is fed using one pump.
Low-pressure gradient system
Using one pump, a mixing ratio of two to four mobile phases is
varied with time for analytical operation.
APPENDIX 2 - 1