Operation
SORVALL
®
Centrifuges
4-4
Programmed Operation
A. Storing Selections to Program Memory
1. Establish all desired run parameters as explained in steps 1 and
3 of the previous section, Normal Operation.
NOTE If you plan on using the QC RUN feature, consider the
following as you save runs to program memory:
• QC RUN programs should not use HOLD.
• Programs with factory default settings of SPEED=400
rpm, TIME=00:00, and TEMP=40 will be ignored in
the QC RUN sequence.
• Although you may choose otherwise, to minimize the
time it takes to perform a QC RUN, we recommend
the following: Starting with program 1, save runs to
program memory in order – sorted first by temperature
(highest first), then, if there is more than one run at a
single temperature, by speed (lowest first).
ROTOR SPEED TIMED DEG C PROG #
H12000 2900 04:00 22 1
H12000 4000 03:00 22 2
H12000 3800 03:45 4 3
H12000 4700 05:30 4 4
H12000 400 00:00 40 5
2. Press MENU to access the advanced features screens, then press
ENTER (seven times after first accessing the advanced features)
until the following screen is in the SET display:
SAVE TO PROGRAM MEMORY?
(1=YES, O=NO; ENTER=DO NOT CHANGE)
3. Input 1. The following screen will appear in the SET display:
ENTER PROG # . . . . . . . . . . . . . . . : 00
(SINGLE RUNS, 1-9; STEP RUNS, 10-15)
NOTE Single-digit program numbers 1-9 are for storing sets of
standard run parameters; double-digit program num-
bers 10-15 are for storing step-runs.
3. Input a program number, then press enter. The SET display will
then return to the HOME screen, and that program number will
appear in the PROG # field as confirmation:
ROTOR SPEED TIMED DEG C PROG #
H12000 2900 04:00 22 1
Record saved information on the Program Log Pad (supplied).
FOR EXAMPLE :
The programs at right are listed in correct
order for using QC RUN; PROG # 5 (with
factory default settings) will be ignored
by the centrifuge when performing the
run (program values shown are for
example purposes only, actual set
parameters will vary).
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