Hach-Lange DR 6000 User Manual - Manual (Page 110)

110
Expanded programs
6.5.3 Work with reference scans
There are three options for working with the Reference Scan
function:
First option:
1. Tap on Reference: Off in the "Options" menu to select
another scan that should be shown on the same display as
the current scan. Highlight the required scan number and
press Highlight reference.
Note: Once a reference scan has been selected, the Reference:
Off key in the "Options" menu turns into Reference: On.
Note: Two scans with the same wavelength range and step can be
displayed using the overlay option. This process can be repeated
until all matching scans are displayed.
2. The reference curve is shown in orange. The absorbance or
transmittance value and the associated wavelength are
highlighted in orange.
Note: A blue and an orange-colored field are shown top left in the
display. The orange box relates to the reference scan and the blue
one relates to the current wavelength scan.
3. Carry out the measurement of the wavelength scan, refer to
section 6.5.2, page 108 .
• The graph of the newly measured wavelength scan is
shown in blue.
• The absorbance or transmittance value and the
associated wavelength are highlighted in blue.
• The display also shows the difference between the
wavelength scan curve and the reference curve.
4. Tap on the blue or orange-colored field in the left top corner
of the display to switch between the measured wavelength
scan and the reference scan
Second option:
1. Insert the zero solution cell into the cell compartment. Press
Zero.
2. Insert the analysis cell into the cell compartment. Tap on
Read.
• The graph of the newly measured wavelength scan is
shown in blue.
• The absorbance- or transmission value and the
corresponding wavelength are highlighted in blue.