Hoefer SP-2001 Vision Life Spectrophotometer - Manual (Page 40)

Version 1.0
Page 40
Calibration (Manual entry)
Shows previously entered calibration values and allows values to
be entered via the keypad.
The highlighted box can be edited in order to enter an
absorbance value corresponding to a given concentration value
using the keypad numbers. Range 0.001 to 9999. Use C to
backspace and clear the last digit entered and the up and down
arrows to move between boxes.
Press OK
to accept the calibration and go to the Results
screen (see below)
OR
Press Back
to return to the Standards screen.
Results screen
Step 14
Insert the reference and press the 0A/100%T key. This will be
used for all subsequent samples until changed.
Step 15
Insert the sample and press
.
The concentration of the sample is taken and displayed.
Repeat step 15 for all samples.
Press
to return to the Protein Folder.
Press ::; to display available Options which are described
below.
Options (select using key pad numbers)
1. Return to parameters screen (step 1 above).
2. Print result via selected method.
3. Toggle graph on/off. Displays the calibration graph, cursors
give values for last measured sample.
7. Sample number – add a prefix to the sample number and
reset the incrementing number to the desired value.
8. Save method – use the left and right arrows to select a folder
to store in (Favorites/Methods 1-9), press the down arrow
and enter name.
9. Auto-print – toggles auto-print on/off.
Exit options by pressing
, or wait.