Entering the Example User Defined Program:
PROGRAMMING ACTION
KEYSTROKE SEQUENCE
EXPLANATION
Beginning-Selection of Program
Press “PROG”, 1, 2, 3, “ENT”
This is the factory programmed access
Number and Section Number
Press Desired Program Number,
code.
Section Number.
The controller will automatically supply the
Example: Program 1, Section 1, “ENT”
decimal point, to indicate the “user pro-
grammable” sector of memory is being
accessed.
Programming Section #1
Press 0, ENT
When “0” is entered, the display area
Start Temp
goes blank and the word “WAIT”* appears.
Note:
This indicates that you are instruct-
ing the controller to go to the “Start Temp”
and maintain that temp until the run key is
pressed again.
Press 4, COOL+, ENT
This indicates that the start temperature
selected is +4°C.
*
Note:
When the program is running and comes to a programmed WAIT command, the program will not advance until the operator
presses the RUN key.
Programming Section #2
Press 1, 0, ENT
This enters a rate of 1 degree per minute.
Liquid Phase Rate
Note
: The “0” must be pressed to move the
decimal point to the proper position.
Press -, 4, SAMP, COOL+, ENT
This is the “start phase change” which is
usually a predetermined sample freezing
point.
Note:
This is the only temperature setting
which is recommended to be a “sample
switch point”.
Programming Section #3
Press 3, 0, 0, ENT
This is selects a rate of 30° per minute.
Temp Drop
Press -, 6, 0 COOL+, ENT
This selects a temperature drop of -60°C.
Programming Section #4
Press 1, 5, 0, ENT
This selects a rate of 15 degrees per minute.
End of Phase Change
Press -, 1, 2, COOL+, ENT
This is the end of Phase Change tempera-
ture, which is generally 8 to 10 degrees
colder than the start of phase change.
Programming Section #5
Press 1, 0, ENT
This enters a rate of 1 degree per minute.
Solid Phase Freezing Rate
Press -, 4, 5, COOL+, ENT
Note:
The “0” must be pressed to move the
decimal point to the proper position.
This programs the controller to run this
rate until the chamber reaches -45°C.
Note: The sample is generally considered
safe when it reaches between -30C and
-50°C.
Programming Section #6
Press 1, 0, 0, ENT
This is selects a rate of 10° per minute.
Solid Phase Freezing Rate II
Note:
The “0” must be pressed to move the
decimal point to the proper position.
Press -, 9, 0, COOL+, ENT
This selects a Target temperature of -90°C.
Programming Section #7
Press END, COOL+, ENT
Note:
Use the down arrow key, to scroll
End
back through the program to check it’s
accuracy; and to return to Section 1.1.**
**
Note:
You must return to Section 1.1 of the program before pressing “RUN” to execute the program.
Models 1010 and 1011__________________________________________________________________________Operation
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