Beckman Coulter Allegra X-30 Series, Инструкция по эксплуатации

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PN B05529AE
2-11
Operation
Run Procedure
2
• A blinking LED at the bottom of the
TIME
display indicates that the run is in progress.
— This display also shows the time remaining in the run (or

and elapsed time for
continuous operation).
WARNING
Do not attempt to override the door interlock system while the rotor is spinning.
CAUTION
Do not lift or move the centrifuge while the rotor is spinning. Do not place items
on the centrifuge during operation.
Pulse Function
The pulse function, accessed by pressing the
PULSE
key, is used for short-duration runs as follows.
• When the
PULSE
key is pressed, the rotor accelerates at maximum rate to the set speed and
continues to spin as long as the
PULSE
key is pressed. (The current run time, acceleration, and
deceleration settings are overridden by the pulse function.) When the
PULSE
key is released,
the rotor begins decelerating to 0 rpm using maximum deceleration. Using the pulse function
eliminates the need to press the
START
and
STOP
keys.
• When the
PULSE
key is pressed, the
TIME
display begins displaying the elapsed seconds. When
the
PULSE
key is released, the seconds stop accumulating. The
ACCEL/DECEL
display continues
to show the user-entered settings during a pulse run even though the maximum rates are used.
• If the
PULSE
key is pressed while the rotor is running at set speed, the rotor continues running
at speed until the
PULSE
key is released. When the
PULSE
key is released, the rotor begins
decelerating to 0 rpm using maximum deceleration.
• The centrifuge memory retains the parameters of the last run performed before the
PULSE
key
was pressed. At the end of a pulse run, after the centrifuge door is opened and closed the
previous run parameters are displayed.
Changing Parameters During a Run
While a run is in progress, run parameters (speed, time, temperature, and acceleration or
deceleration rate) can be altered without stopping the run. Run duration can also be changed from
continuous to a specified time period, or from a specified time period to continuous.
NOTE
The deceleration rate cannot be changed after deceleration starts.
Use the program keys as described under Entering Run Parameters , above, to change parameters.
Parameter changes made during a run must be verified by pressing the
ENTER
key. For example, to
change run speed during centrifugation: