SERVO
PRO NANOCHROME Gas Analyser
41
04416001A / Revision 7
4.3.3 Injection Mode
Use the
Injection Mode
radio control to select one of two injection modes. The
Manual
mode executes one cycle after the
Start
button is pressed. The
Automatic
mode restarts new cycles until the
Stop
button is pressed or the
Manual
mode is selected.
4.3.4 Injection Status
The
Injection Status
radio control enables sample injection when the
ON
radio
control is selected and disables sample injection when the
OFF
radio control is
selected.
4.3.5 Historic values (F3)
Displays the last 20 measures of concentration for the selected impurity. Select
a peak in the upper-left grid of the
REAL-TIME CHROMATOGRAM
MENU
and then press the
Historic Values (F3)
button to see these values.
4.3.6 Historic Alarm (F4)
Press the
Historic Alarm
button to access the
Historic Alarm
menu. This
button will turn red when an alarm occurs, turn yellow when the menu is
opened and alarms are still active, and turn green if the problem is resolved.
The
Historic Alarm Menu
is described in more detail in section 4.4.
4.3.7 Range (F5)
Use the
CONFIGURATION-SYSTEM MENU
to select either
Manual
or
Automatic
ranging. If
Manual
ranging is selected, press the
Range
button to
toggle between the 2 ranges. The range used for the last integration of a peak or
the range selected is displayed in the
R
column, next to the peak value in the
grid at the left of the chromatogram.
To change a peak range set the
Manual
ranging by highlighting the
corresponding peak in the grid and then press the
Range
button.
The
Range
cannot be changed during a peak integration. When
Automatic
ranging is selected, range selection will be automatically
based on the result of the last peak calculations.
Note that when calibration is enabled,
“
Warning: Calibration enabled
”
will be
displayed in the chromatogram display.