5061-084-REV-1
LIGHTWAVE 3 & 3+ SPECTROPHOTOMETERS USER’S MANUAL
27
USER INTERFACE
Step 7
Replace the previous sample with a test sample then
take a sample measurement using the confirm key.
Repeat for all samples.
WARNING!
Previous measurements cannot be recalled so
should be printed or output to a USB flash drive
before any subsequent samples are measured.
Step 1
Set wavelength 1, 190 to 1100 nm, using the left
and right arrow or alphanumeric keys.
Press the down arrow, repeat for wavelength 2.
Step 2
Press the down arrow, set the sample prompt, “Yes”
or “No”, to bring up the sample number option
before each measurement, using the left and right
arrow keys.
Step 3
Press the down arrow, set the background, “On” or
“Off”, using the left and right arrow keys.
For background set to “On”, press the down arrow
and set wavelength 3, 190 to 1100 nm, using the left
and right arrow or alphanumeric keys.
Results
The results are displayed on the screen.
Return to the Applications screen using the escape key OR display the options menu using the options key
(see the “Additional Options” section).
Absorbance Ratio
The Absorbance Ratio application is accessed from the Applications screen using the ‘7’ key. It can be used
to perform two absorbance (A) measurements and calculate the absorbance ratio between them.
