
Calculating the Signal to Noise Ratio
1. Click
Chromatogram Plot Preferences
.
2. Click
the
Chromatogram Plot
tab and do the following:
3. In the Plot area, select
Filtered Data Only
4. In the Filtering area, select
Smooth Data
, type
5
in the
Point Smooth
field,
select
Savitsky Golay
for the
Smoothing Method
, enable
Remove Spikes
and type
4
for the
Spike Threshold Factor
.
5. Click
OK
to enable these selections.
6. Click
the
Noise
tab, select
RMS
for the
Noise Calculation
, and click
OK
.
03-954143-55:Rev. 1
20 of 33