Storing A Spectrum; Getting Information About A Stored Spectrum - Waters 2487 Dual A Operator's Manual

3.4.2 Storing a Spectrum

Once you have run a spectrum, you can store it for later review, subtraction, or playback.
You may store up to five spectra. To store a spectrum:
1. From the graphic display of a sample scan, return to the first Scan screen by
pressing
2. Press
Note:
sample scan as a pair.
3
3. Enter a number from
4. Press

3.4.3 Getting Information About a Stored Spectrum

You can obtain information about a stored spectrum as follows:
1. Press
2. Press
the most recently stored spectrum).
3. Press
number
press Enter.
A screen containing the following information appears:
4. Press
list.
138 Using the 2487 Detector
SCAN (Shift Chart
2, Store last scan. A slot number box appears
When you select Store last scan, you are storing the zero scan and the
Figure 3-37 Storage Slot Number Box
1 to 5.
Enter to store the last sample scan, paired with its zero scan.
SCAN (Shift Chart
3, Get scan info. A slot number box appears with a default of "Last" (for
Enter to get information about the last stored spectrum, or type the
(1 to 5) of the stored spectrum for which you want information, then
• Storage slot number of the selected scan (or "Last scan")
• λ range – Displays the wavelength range for the selected spectrum
• Pace – Displays the pace for the selected spectrum
Enter to dismiss the information screen, and return to the Scan choice
Mark).
Mark) to view the Scan choice list.
(Figure 3-37).