Ocean Optics DTS - Manual (Page 28)

Chapter 4
4-4 Polychromix DTS TM Near-Infrared Spectrometer
Operator’s Manual
Document Number 04-91-0201-00 Rev A
4.3.3 The Data Collection Menu
The Data Collection menu (Figure 4-5) is used to indicate the type of data
acquisition that is to be performed.
Figure 4-5: The Data Collection Menu
Get Scan - Initiates the scan.
Scan Type - Indicates the type of scan to be collected. The options are
Background, Absorbance, Transmittance, Reflectance and Light Meter. A
Background scan must be collected before an Absorbance, Transmittance or
Reflectance scan can be collected.
Scans to Avg. - presents a dialog box to indicate the number of scans that
are to be collected and averaged to obtain the desired spectrum (the range is
1-999). This feature can be used to reduce noise in the reported spectrum.
When the scans are collected, they will be run on a continuous basis until the
data collection process is complete.
Autoscale - Expands/contracts the vertical axis so that the minimum and
maximum intensity of the spectrum are at the minimum and maximum of the
plot.
Overlay - Indicates that the present spectrum (spectra) should not be erased
when a new scan is initiated.
Data Points – Indicates that the actual data points should be presented on
the spectra as dots.
Multiscan - Accesses a dialog box that initiates multiple timed spectral
measurements and recording (Section 4.7).
Continuous Scan - If this is selected, the spectrometer will collect spectra on
a continuous basis until the Cancel button is pressed.
Light Meter - Starts a time scan of the intensity over all wavelengths with all
MEMS pixels set to maximum throughput (see Section 5.5).