Touch Screen Navigation
2-12
The name of the channel appears on the top left of the screen. Detector controls
include Ignite and Autozero.
Display controls include scaling and zeroing.
Ignite Button
Pressing the Ignite button starts the ignition sequence for a PPC-enabled FID.
During ignition the plot and signal level are active.
For information on setting up manual pneumatics for the different detectors see
the various detector sections in chapter 4 “Setting Up the Detectors” and sections
in Chapter 3 on “Using the Active Method” and Viewing or Adjusting Carrier
Gas Pressure Using Manual Pneumatics.
AutoZero Button
Autozeroes the selected detector.
Signal Plot
The plot graph displays the signal from the selected detector in “real time.” The
window is 2 minutes wide. The signal commences at the y-axis and is plotted out
to start + 1.75 minutes. The signal then scrolls back so the start is now +1 minute,
the last 0.75 minutes are displayed from there, and the signal then scrolls out
again.
The signal is plotted continually before, during and after a run.
Signal Display and Scaling
The signal display at the top of the screen displays the signal level of the detector
in mV.
The default signal scale is 0-1024mV. The up/down arrows will adjust the
display between 1 and 1024mV by halving or doubling the current factor
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