Teledyne GC-Pro/FID - Gas Chromatograph - Manual (Page 63)

GC-Pro FID Operation
Teledyne Analytical Instruments 49
The parameters can be modified by either touching the UP arrows or
by entering the values in input fields.
In order to input the Begin/End Time, touch on the Green “EDIT
TIME” button. This causes an input window to appear as shown below.
In this screen, the Begin/End Time can be changed (minutes and
seconds) by touching the requisite box. A pop up numerical keypad
appears onscreen that allows the direct input of numerical values.
If an inappropriate value is input, for example a Begin time greater
than the End time or an End time which exceeds the selected
(FWD+BCK) phase duration, an onscreen warning will appear as shown
below.