6
Fig. 2.
4.2. Reset Button
To reset the pipette, press the reset button on the battery cover. The display
shows RESET and PRESS TIP in a blinking form and pressing the tip ejector
button will reset the pipette to the
fi
rst programming level in PIPET mode.
During the reset function the pipette automatically determines the home
position for the piston and tip ejector by running the piston up and down.
During the reset function the display shows AUTO TEST and the completed
reset function is con
fi
rmed by showing the text DONE on the display.
Note:
The pipette must never be reset with the tip attached! The attached
tip can induce an error in home position determination. However, if resetting
is accidentally done with the tip attached reset the pipette again without the
tip attached.
4.3. Start Button
The start button triggers the aspiration and dispensing operations according
to selected operating mode. Only a soft touch is required to operate the
button. If the start button is held down during dispensing, the piston will stop
in the lowest position until the button is released. In the operating modes with
automatic blow-out (P, dd) the piston will automatically return to the home
position after the start button is released.
If the start button is held down in the reverse pipetting mode or during the
dispensing of the last aliquot in the multi-dispensing modes the piston
direction symbol will change within one second and the pipette will be ready
to aspirate the next sample when the start button is released.
4.4. Tip sealing and
Electronic tip ejection
The Biohit pipette tips are recommended for use
with Biohit
e
LINE pipettes. The
e
LINE multichannel
pipettes are provided with a spring loaded
OPTILOAD tip cones for optimal sealing.
For easy and effortless tip ejection all Biohit
e
LINE
electronic pipettes are equipped with the new
electronic tip ejection feature (Fig. 2). There are
two tip ejection buttons conveniently placed on the
either side of the start button to ensure easy reach
for both right and left handed users.
Tip ejection:
When the pipetting cycle is
completed, either of the buttons can be depressed
to eject the tip.
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