3. In theEvent detailswindow locateand select
the relay
G
radio buttonwith themouse cursor
and then locate theEvent timedialoguebox
andenter
.1
in the box. Click on
OK
to exit the
window.
Note:
The relaymight beused toac-
tuate a valvewhenhardware is connected.
The event typewill nowbe added to the
Events table. Select the
Add
buttonand now
locateand select the
Zero
event type radio
button. Leave theEvent time box at 0.000 and
onceagain click on
OK
to exit thewindowand
add theevent to theEvents table.
Note:
The
Zero event auto-zeros thedetector signal at
thebeginning of the run.
Click on the
Add
but-
tonagain and select the
Integration-Based
immediate
radiobutton in theEvent details
windowand input
1.86
in theEvent timedia-
logue box. Select
OK
to exit thewindow.
4. There arenow three events in theEvents ta-
ble. Click on
OK
toexit theEventswindow
and then hit the
Enter
buttonon the keyboard
to reintegrate thebaseline according to the
events in theEvents table. Notice that the
baseline is connected to the data line at 1.86
minutes.
OverlayandSubtract
1. Tooverlay onePeakSimple chromatogram on
topof another chromatogram openupa sec-
ond channel in themain screenand load
chromatogram602.CHR in the first channel
and chromatogramFID602.CHR in the sec-
ond channel. Right click anywhere in the first
channel and select
Channel details
from the
drop downmenu.
2. In theChannel 1detailswindow locate the
Overlay data in channel checkbox and check
it and then input a
2
in thedialoguebox to the
right. The chromatogram in channel 2 is now
overlaid on topof the chromatogram in chan-
nel 1. Theoverlay appears in adifferent color.
