PerkinElmer Lambda XLS, User Manual

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64 . Lambda XLS/XLS+ User's Guide
7. Press
Next
.
The Kinetics – Method Settings 2 screen is displayed.
8. Select the measurement
Mode
using the left and right arrows, and then press the down
arrow.
The options are
Delta A
(the change in absorbance over the measurement duration, or
selected period),
Final A
(the absorbance at the end of the measurement duration, or
selected time) and
Slope
(the rate of change of absorbance over the measurement
duration or selected period).
9. Enter the
Units and
then press the down arrow.
You can enter a text string up to 8 characters long. To access a list of pre-defined units
on the Units screen, press Options and then use the left/right arrows (
µg/ml,
µg/µl
,
pmol/µl
,
mg/dl
,
mmol/l
,
µmol/l
,
g/l
,
mg/l
,
µg/l
,
U/l
,
%
,
ppm
,
ppb
,
conc
or
none). These units can also be edited once
OK
is pressed.
The Units screen also enables you to select the number of displayed decimal points
(
DP
). The options are
Auto
,
0
,
1
and
2
.
NOTE: The result will always be fixed to 5 significant figures, regardless of how many
decimal points are selected (so 98768.2 is displayed as 98768, even with 1 decimal
point selected).
Press
OK
to save your options and return to the Method Settings screen.
You can still edit the units.