INFICON HAPSITE Smart Plus Chemical Identification System - Manual (Page 270)

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HAPSITE Smart Plus Operating Manual
5a If yes, then the BPG does not need adjustment. Proceed to Step 8 .
5b If no, the BPG will need to be adjusted. Proceed to Step 6 .
6 To raise the Base Peak Gain, increase the value of the EM Voltage by 25
volts. To lower the BPG, decrease the value of the EM Voltage by 25 volts.
7 Check the Base Peak Gain value to see if the BPG is now in the range (0.8 to
2.0).
7a If the Base Peak Gain is still out of range, repeat Step 6 until the value comes
into range.
7b If the Base Peak Gain is in range, continue with Step 8 .
8 Check the Tune and Mass Calibration Status panel to see if any of the masses
are highlighted in red. A red box indicates the mass is High or Low. See
Figure
7-32 .
Figure 7-32 BPG Good with Mass 50 Low
8a If all mass percentages are within limits, then the instrument is tuned. Proceed
to
section 7.6.2, Adjusting Resolution, on page 7-29 .
8b If any mass percentages are High or Low (red boxes), then proceed to
Adjusting Resolution.