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Programming and Operation
If the program begins a mix cycle above zero position (volume is greater
than zero), the fluid is dispensed, and the mix cycle begins. The mix cycle
will end at the same volume it started with. Also, the mix operation will
remain in the display so it can be repeated (useful for serial dilutions),
unless followed by another program step. To end the mix operation, press
the [Purge] key, then press the trigger.
Purge. The [Purge] key programs the pipette to purge the fluid. This step
can be entered as a program step, or it can be pressed anytime while
pipetting to terminate the program and dispense the remaining liquid.
Note: If the program ends at a volume greater than zero, and the last step is
not a mix cycle, the "Purge" prompt automatically appears. Also, the pipette
emits a double beep tone to warn you that some fluid remains. Press the trigger
to dispense the remaining fluid and return to the beginning of the program.
Examples of pipetting programs with different mix steps are shown in
Section C.3, Programming Examples.
3. Enter volume. Enter the desired volume for [Fill], [Disp], or [Mix] by
pressing the up s or down t section of the [Vol] key. The longer you hold
the key the greater the incremental speed.
Note: The [Purge] key does not use a volume; therefore, if a purge step has
been entered, continue to the next step.
4. Confirm programming step. Press [Enter] to confirm the programming
step. The display flashes all of the operation keys to prompt the next
programming step:
5. Select next pipetting operation. Repeat steps 2 through 4 until all
programming steps have been entered.
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Figure C.2.2b: Flashing Display
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