Hach-Lange LICO 690 User Manual - Manual (Page 80)

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Standard programs
5.7.4.1 Set up the wavelength scan
In the main menu, press the Wavelength Scan menu option.
Press Options for Parameter Setup.
Table 11 Options during wavelength scan
Option Description
More For further Options
Save icon
Symbol: Store Data, if Instrument Setup > Data Log Setup > Auto Store: Off is selected.
Symbol: Recall Data, if Instrument Setup > Data Log Setup > Auto Store: On is selected.
Reference Off/On
From the displayed list of stored scans, a record is selected for use as a reference
scan/superimposed scan. This can be highlighted or shown in the background in comparison
with the actual measured scan.
Note: This option is only available when there are stored scans with the same wavelength range
and step.
 Wavelength Enter the wavelength spectrum and scan interval
View Table
View Graph
Enables the user to switch the display back and forth between the scan data tables
(wavelength/absorbance) and the graph of the curve.
Note: "Select View" will be activated after the first reading.
Cursor Mode
To select Track or Peak/Valley. The selection for this menu item determines to which points on
the graph the cursor moves.
Send Data To send data to a printer, computer or USB memory stick (Type A)
Integral: On/Off The integral gives the area and the derivative of the integral gives the original function
Scale & Units
Scale: In the automatic Scaling mode, the y-axis is automatically adjusted so that the total scan
is displayed.
The manual Scaling mode allows sections of the scan to be displayed.
Units: Choice of absorbance or transmittance.
Recall measurement
data
Recall saved measurement data, wave-length scans or time courses, see section 5.3, page 38 .
Instrument Setup mode Basic data of the instrument, refer to section 5.2, page 23 .