Teledyne GC-Pro/TCD - Gas Chromatograph - Manual (Page 61)

GC-Pro TCD Operation
Teledyne Analytical Instruments 47
The window screen is used to set the forward and backward duration
in MM:SS format. After setting the required duration, select the ENTER
button to save the values.
If the onscreen LED is red, all available buttons will be disabled and
timing cannot be adjusted. Wait until the LED turns green again before
resuming any button presses.
Note: The chromatogram will be displayed up to a maximum of
1320 samples i.e. if the sum of the forward plus backward
phase duration is more than 1320 seconds. Beyond that
value, that the chromatogram will not be displayed.
With the LED green, the “Parameters” icon can be selected to view
and edit several parameters for each time frame, as shown in the screen
below.
The above screen displays the Phase, Begin Time and End Time
along with the active ON/OFF field. The screen also contains an EDIT
button that can be used to view or modify all the parameters for the
selected timeframe, as shown below.