56
6.6. Diluting Mode (dd)
(all models, except 710800 and 710810)
Two different solutions separated by an air gap are aspirated and then
dispensed together with automatic blow-out. The purpose of the air gap is
to avoid contamination when aspirating the second volume but it will not
prevent the two liquids from mixing in the tip.
1. Press
to display
.
2. Con
fi
rm the mode change by pressing
.
3. Select the desired diluent volume (volume 1) by using
and
.
4. Con
fi
rm by pressing
.
5. Press
and
to select the sample volume (volume 2) on the
display.
6. Press
to con
fi
rm selection.
7. Position the tip to aspirate volume 1 and then press the START button.
8. With the tip in the air press the START button again to aspirate an air
gap.
9. Position the tip to aspirate volume 2 and press the START button.
10. Finally, position the tip to dispense and press the START button.
6.7. Mixing Mode with Pipetting or Diluting (*)
(all models)
The piston is automatically moved up and down to mix the liquid in the
delivery vessel. The mixing time is controlled by the START button.
1. Use
to select either
or
onto the display.
2. Press
to switch on mixing. The display should read either
or
. Please note that selecting
will alternately switch mixing
on and off.
3. Con
fi
rm the mode change by pressing the
button.
Step 7.
Step 10.
Step 8.
Step 9.