19
3.
Press “C” to select EDIT 1, and “C” again to select “DISP VOLUME”. Use the “A” or “B” keys to
increase or decrease the selected volume to 100.00 mL. Then press “C” to select.
DISP VOLUME:
Inc
Decr
100.00
Select
A B C
4.
Use the “B” key to scroll down to “PUMP TUBING” and press “C” to select. Use the “A” and “B”
keys to choose the correct size tubing.
PUMP TUBING:
Inc
Decr
24
Select
A B C
5.
Next, use the “A” and “B” keys again to scroll to “SLOW FACTOR” and press “C” to select. Use
the “A” key to increase this based on your tubing size. For this example, increase it to 2.00 mL,
and press “C” to select.
SLOW FACTOR:
Incr
Decr
2:00
Select
A B C
6.
All other parameters will be left at their defaults. Press the exit key to return to the “Volume”
screen and Press the “Exec” key, this will show the Exec program that matches the Edit
program you were just in. Continuing with this example, press “C” to select, and the LabTec™
will show the following display:
7.
Press the “RUN” key, and the LabTec™ will dispense 100.00 mL, and show the following screen:
DV=100.00 mL
P1=0.0
CV=
100 mL SC=001
Where DV=Dispensed Volume, CV=Cumulative Volume, SC=Sample Count # for the volume
dispensed, will increment by one for each occurrence, and P1=Back Pressure (will be 0.0 if
no pressure sensor is in use). The display will then alternate between this screen and the one
before it.
8.
At this time it is appropriate to use the RE-CAL procedure mentioned in the earlier Calibration
section to fine tune the process. Once satisfied with the results, you can continue pressing the
run key until you have finished the needed number of aliquots.
100.00mL
P
essRUNwhen Read
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