Hitachi CR21N, Instruction Manual

Page: 24 / 112

2-9
2-2-2 Operational Procedure
Given below is a description of the operational procedure for a normal run.
NOTE Before starting up this machine, carefully read the operation manual for your rotor and make
sure that you have selected the correct type of tubes and injected the correct amount of
sample.
Step Touch panel operation Screen displays and notes
1 Turn on the POWER switch
on this machine.

Run screen appears.
2 Install the rotor.

Install the rotor securely on the crown.

When using a rotor without rotor ID*, press the Rotor
indicator and select the desired rotor in the “Rotor
Management” screen or “ROTOR CATALOG” screen.

When using a rotor with rotor ID*, the rotor model
appears on the Rotor indicator during operation.
There is no need to select the rotor.
3 Set run conditions.

See Section 2-2-1 “Setting run conditions” and set run
conditions.
4
Close the door.

The below icon does not disappear on the Run screen, if
the door is not closed completely. If the below icon does
not disappear on the Run screen, close the door
completely.
5
Press the START button
.

When the door is locked, you can hear the beep sound from
the centrifuge.
WARNING:

The START button blinks and the rotor starts turning.
(Note that rotors will stand by at 50rpm for about 10
seconds during acceleration and then go up to the set
speed.)

The timer begins operating. (When the actual run timer is
activated, the timer begins operating after the speed
reaches the set speed.)

When the speed reaches the set speed, the START
button lights up.
2-2-2 Operational Procedure
When pressing the START button after closing the
centrifuge door, the door is locked and the operation
starts. When the door is locked, you can hear the beep
sound from the centrifuge. When the door is locked, do
not catch your fingers and objects in the space between
the centrifuge door and the centrifuge table. Failure to
do so can cause your fingers to be injured and failure to
do so can cause the centrifuge to be damaged.