Teledyne GC-Pro/TCD - Gas Chromatograph - Manual (Page 50)

Operation GC-Pro TCD
Teledyne Analytical Instruments 36
5. A 4-hour warm up time is required when the unit is cold. This
allows sufficient time for the internal heaters to come up to the
required temperature and stabilize. The screen will indicate a
countdown as the warm up period progresses. If the unit is
already warm, the warm up period may be 45 or 30 minutes
depending on the internal temperatures.
The warm up time can be defeated (not recommended) by
pressing the SKIP Warm Up button. In this case, the unit will
bypass the warm up period and immediately enter the diagnostic
phase as described below.
The user can check the internal temperature of the three heated
chambers by pressing Heater Status button. This will bring up a
an information screen as shown below.