Teledyne GC-Pro/TCD - Gas Chromatograph - Manual (Page 82)

Operation GC-Pro TCD
Teledyne Analytical Instruments 68
After about one minute the results of the self tests are displayed as
“GOOD” or “BAD”. The T1 to T4 tests analyze the 4 thermocouples for
continuity. Once the user enters into this screen there is no option for
stopping the self test in the middle. After performing the self test the
screen automatically reverts back to the self test screen.
4.5.12 Settings
Touching the Settings icon brings up a screen with ten functions that
are used to customize the analyzer to your specific needs plus one
information only screen. The functions available are:

INSTRUMENT INFORMATION: An information only screen
which d
isplays Manufacturer, Model, and Software version of
the instrument.

RANGE: Used to set up three analysis ranges that can be
switched manually.

ALARMS: Used to set the alarm setpoints and determine
whether each alarm will be active or defeated, HI or LO
acting, and failsafe or not.

TIME: Used to set the current date and time on the
instrument.
 DETECTOR: Selects the detector used in the instrument.
 SET TCD: Allows for coarse and fine adjustments on the
TCD detector.

PASSWORD: Used to establish password protection or
change the existing password.
 CYCLE MODE: Toggles measurement mode between
continuous measurement and single shot (measure once)
measurement and adjusts the fill time used by the sample
valve.
 OVERLAY CHROMATOGRAM: Brings up the
chromatogram display.
 COMMUNICATION: Selects between four different RS232
protocols.

CHANGE STREAM : Used to manually switch between
sample and calibration gas.