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TEMPERATURE SETTING
Chamber temperature
Table 1 shows the basic procedure for setting the chamber temperature. Perform key operations in the
sequence indicated in the table. The example in the table is based on the assumption that the desired
temperature is 4
o
C.
Note: The unit is set at the factory with a chamber temperature of 5
o
C.
Table 1. Basic operation sequence (Example: Chamber set temperature 4
o
C)
Description of operation Key operated Indication after operation
1 Turn the power switch ON.
---- The current chamber temperature is
displayed.
2 Press SET key. SET
The first digit is flashed.
3
Press key and scroll the figure
to 4.
When pressed, the figure of settable
digit increases.
4 Press SET key. SET
Set temperature is memorized and the
current chamber temperature is
displayed.
Note:
The temperature set mode returns to the temperature display mode automatically when 90 seconds has
passed without any key operation. In this case, the chamber temperature setting is not accepted.
The available set range of chamber temperature is between 2 and 14
o
C. The partial freezing may
occurred if the set temperature is lower than 3
o
C.
Key lock function
This unit is provided with a key lock function. When the key lock is ON, change of temperature setting
through the key pad is not available. The key lock is set in OFF at the factory.
Display Mode Function
Key lock is OFF Enable to change of temperature setting
Key lock is ON Disable to change of temperature setting
Table 2. Procedure for key lock setting (change from key lock OFF to key lock ON)
Description of operation Key operated Indication after operation
1
---- The current chamber temperature is
displayed.
2 Press key for 5 seconds.
The first digit is flashed.
3
Press key and scroll the figure
to 1.
When pressed, the figure of settable
digit increases.
4 Press SET key. SET
The key lock is set to ON.
The current chamber temperature is
displayed.